./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic.i -s /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 969606139c1c2163106c8f66fddcc76915ad819af1c6c8745c4f4780b431a948
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-03-11 23:03:00,125 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-03-11 23:03:00,127 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-03-11 23:03:00,146 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-03-11 23:03:00,146 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-03-11 23:03:00,147 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-03-11 23:03:00,148 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-03-11 23:03:00,149 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-03-11 23:03:00,150 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-03-11 23:03:00,150 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-03-11 23:03:00,151 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-03-11 23:03:00,152 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-03-11 23:03:00,152 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-03-11 23:03:00,153 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-03-11 23:03:00,153 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-03-11 23:03:00,154 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-03-11 23:03:00,155 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-03-11 23:03:00,155 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-03-11 23:03:00,156 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-03-11 23:03:00,157 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-03-11 23:03:00,158 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-03-11 23:03:00,159 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-03-11 23:03:00,160 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-03-11 23:03:00,161 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-03-11 23:03:00,163 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-03-11 23:03:00,163 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-03-11 23:03:00,163 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-03-11 23:03:00,164 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-03-11 23:03:00,164 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-03-11 23:03:00,165 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-03-11 23:03:00,165 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-03-11 23:03:00,165 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-03-11 23:03:00,166 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-03-11 23:03:00,166 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-03-11 23:03:00,167 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-03-11 23:03:00,167 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-03-11 23:03:00,167 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-03-11 23:03:00,167 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-03-11 23:03:00,168 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-03-11 23:03:00,168 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-03-11 23:03:00,168 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-03-11 23:03:00,169 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-03-11 23:03:00,186 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-03-11 23:03:00,186 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-03-11 23:03:00,186 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-03-11 23:03:00,186 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-03-11 23:03:00,187 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-03-11 23:03:00,187 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-03-11 23:03:00,187 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-03-11 23:03:00,187 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-03-11 23:03:00,187 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-03-11 23:03:00,188 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-03-11 23:03:00,188 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-03-11 23:03:00,189 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 23:03:00,189 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-03-11 23:03:00,189 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-03-11 23:03:00,190 INFO  L138        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 969606139c1c2163106c8f66fddcc76915ad819af1c6c8745c4f4780b431a948
[2024-03-11 23:03:00,367 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-03-11 23:03:00,385 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-03-11 23:03:00,387 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-03-11 23:03:00,388 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-03-11 23:03:00,388 INFO  L275        PluginConnector]: CDTParser initialized
[2024-03-11 23:03:00,389 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic.i
[2024-03-11 23:03:01,428 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-03-11 23:03:01,624 INFO  L351              CDTParser]: Found 1 translation units.
[2024-03-11 23:03:01,625 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-array-dynamic.i
[2024-03-11 23:03:01,639 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e4749cb68/58a3c84945d047fdaba865180409e107/FLAG110acbe57
[2024-03-11 23:03:01,650 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/e4749cb68/58a3c84945d047fdaba865180409e107
[2024-03-11 23:03:01,652 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-03-11 23:03:01,653 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-03-11 23:03:01,654 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-03-11 23:03:01,654 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-03-11 23:03:01,656 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-03-11 23:03:01,657 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:03:01" (1/1) ...
[2024-03-11 23:03:01,658 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4077b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:01, skipping insertion in model container
[2024-03-11 23:03:01,658 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 11:03:01" (1/1) ...
[2024-03-11 23:03:01,663 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-03-11 23:03:01,690 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-03-11 23:03:01,802 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-11 23:03:01,943 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:03:01,952 INFO  L203         MainTranslator]: Completed pre-run
[2024-03-11 23:03:01,963 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2024-03-11 23:03:02,012 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-03-11 23:03:02,059 INFO  L208         MainTranslator]: Completed translation
[2024-03-11 23:03:02,059 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02 WrapperNode
[2024-03-11 23:03:02,059 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-03-11 23:03:02,060 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-03-11 23:03:02,060 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-03-11 23:03:02,060 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-03-11 23:03:02,065 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,079 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,099 INFO  L138                Inliner]: procedures = 269, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84
[2024-03-11 23:03:02,100 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-03-11 23:03:02,100 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-03-11 23:03:02,100 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-03-11 23:03:02,100 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-03-11 23:03:02,108 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,108 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,111 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,111 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,117 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,120 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,122 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,124 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,129 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-03-11 23:03:02,130 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-03-11 23:03:02,130 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-03-11 23:03:02,130 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-03-11 23:03:02,131 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (1/1) ...
[2024-03-11 23:03:02,136 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-03-11 23:03:02,143 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 23:03:02,154 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-03-11 23:03:02,161 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-03-11 23:03:02,186 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-03-11 23:03:02,187 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-03-11 23:03:02,188 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-03-11 23:03:02,188 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-03-11 23:03:02,188 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-03-11 23:03:02,188 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-03-11 23:03:02,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-03-11 23:03:02,188 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-03-11 23:03:02,188 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-03-11 23:03:02,189 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-03-11 23:03:02,321 INFO  L235             CfgBuilder]: Building ICFG
[2024-03-11 23:03:02,323 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-03-11 23:03:02,509 INFO  L276             CfgBuilder]: Performing block encoding
[2024-03-11 23:03:02,514 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-03-11 23:03:02,515 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-03-11 23:03:02,516 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:03:02 BoogieIcfgContainer
[2024-03-11 23:03:02,516 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-03-11 23:03:02,518 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-03-11 23:03:02,518 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-03-11 23:03:02,520 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-03-11 23:03:02,520 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 11:03:01" (1/3) ...
[2024-03-11 23:03:02,520 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd99a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:03:02, skipping insertion in model container
[2024-03-11 23:03:02,520 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 11:03:02" (2/3) ...
[2024-03-11 23:03:02,521 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd99a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 11:03:02, skipping insertion in model container
[2024-03-11 23:03:02,521 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 11:03:02" (3/3) ...
[2024-03-11 23:03:02,522 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-array-dynamic.i
[2024-03-11 23:03:02,527 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-03-11 23:03:02,534 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-03-11 23:03:02,534 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-03-11 23:03:02,534 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-03-11 23:03:02,571 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-03-11 23:03:02,598 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,650 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2024-03-11 23:03:02,650 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 23:03:02,654 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2024-03-11 23:03:02,654 INFO  L82        GeneralOperation]: Start removeDead. Operand has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,658 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,661 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:03:02,669 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,671 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,671 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 108 places, 109 transitions, 226 flow
[2024-03-11 23:03:02,706 INFO  L130       PetriNetUnfolder]: 6/158 cut-off events.
[2024-03-11 23:03:02,707 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 23:03:02,707 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 164 conditions, 158 events. 6/158 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 301 event pairs, 0 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 81. Up to 4 conditions per place. 
[2024-03-11 23:03:02,709 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1568
[2024-03-11 23:03:06,630 INFO  L134        LiptonReduction]: Checked pairs total: 2392
[2024-03-11 23:03:06,630 INFO  L136        LiptonReduction]: Total number of compositions: 103
[2024-03-11 23:03:06,657 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:03:06,665 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0c137b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:03:06,666 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-03-11 23:03:06,668 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 23:03:06,668 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:03:06,669 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:06,669 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 23:03:06,670 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 23:03:06,674 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:06,674 INFO  L85        PathProgramCache]: Analyzing trace with hash 12447, now seen corresponding path program 1 times
[2024-03-11 23:03:06,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:06,681 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024073922]
[2024-03-11 23:03:06,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:06,681 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:06,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:06,810 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:06,810 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:06,810 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024073922]
[2024-03-11 23:03:06,811 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024073922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:06,811 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:06,811 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 23:03:06,812 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641822668]
[2024-03-11 23:03:06,813 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:06,820 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 23:03:06,821 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:06,835 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 23:03:06,836 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 23:03:06,838 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 104 out of 212
[2024-03-11 23:03:06,839 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 23 places, 21 transitions, 50 flow. Second operand  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,839 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:06,839 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 212
[2024-03-11 23:03:06,840 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:06,890 INFO  L130       PetriNetUnfolder]: 19/69 cut-off events.
[2024-03-11 23:03:06,891 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 23:03:06,891 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 131 conditions, 69 events. 19/69 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 239 event pairs, 18 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 101. Up to 55 conditions per place. 
[2024-03-11 23:03:06,892 INFO  L137   encePairwiseOnDemand]: 208/212 looper letters, 13 selfloop transitions, 0 changer transitions 0/17 dead transitions.
[2024-03-11 23:03:06,892 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 17 transitions, 68 flow
[2024-03-11 23:03:06,893 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 23:03:06,895 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 23:03:06,900 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 225 transitions.
[2024-03-11 23:03:06,902 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5306603773584906
[2024-03-11 23:03:06,902 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 225 transitions.
[2024-03-11 23:03:06,903 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 225 transitions.
[2024-03-11 23:03:06,904 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:06,906 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 225 transitions.
[2024-03-11 23:03:06,908 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 112.5) internal successors, (225), 2 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,912 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,912 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,914 INFO  L175             Difference]: Start difference. First operand has 23 places, 21 transitions, 50 flow. Second operand 2 states and 225 transitions.
[2024-03-11 23:03:06,914 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 17 transitions, 68 flow
[2024-03-11 23:03:06,916 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 17 transitions, 68 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:06,917 INFO  L231             Difference]: Finished difference. Result has 20 places, 17 transitions, 42 flow
[2024-03-11 23:03:06,918 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=19, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=42, PETRI_PLACES=20, PETRI_TRANSITIONS=17}
[2024-03-11 23:03:06,921 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, -3 predicate places.
[2024-03-11 23:03:06,921 INFO  L495      AbstractCegarLoop]: Abstraction has has 20 places, 17 transitions, 42 flow
[2024-03-11 23:03:06,921 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,922 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:06,922 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:03:06,922 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-03-11 23:03:06,922 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 23:03:06,922 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:06,922 INFO  L85        PathProgramCache]: Analyzing trace with hash 11921774, now seen corresponding path program 1 times
[2024-03-11 23:03:06,923 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:06,923 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818619098]
[2024-03-11 23:03:06,923 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:06,923 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:06,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:06,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:06,986 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:06,986 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818619098]
[2024-03-11 23:03:06,986 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818619098] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:06,987 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:06,987 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:06,987 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335434608]
[2024-03-11 23:03:06,987 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:06,988 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:06,988 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:06,989 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:06,989 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:06,998 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 100 out of 212
[2024-03-11 23:03:06,999 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 17 transitions, 42 flow. Second operand  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:06,999 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:06,999 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 212
[2024-03-11 23:03:06,999 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:07,057 INFO  L130       PetriNetUnfolder]: 24/82 cut-off events.
[2024-03-11 23:03:07,057 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2024-03-11 23:03:07,058 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 163 conditions, 82 events. 24/82 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 301 event pairs, 13 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 159. Up to 50 conditions per place. 
[2024-03-11 23:03:07,058 INFO  L137   encePairwiseOnDemand]: 208/212 looper letters, 14 selfloop transitions, 3 changer transitions 3/22 dead transitions.
[2024-03-11 23:03:07,058 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 22 transitions, 92 flow
[2024-03-11 23:03:07,058 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:07,058 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:07,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions.
[2024-03-11 23:03:07,060 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5047169811320755
[2024-03-11 23:03:07,061 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 321 transitions.
[2024-03-11 23:03:07,061 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 321 transitions.
[2024-03-11 23:03:07,061 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:07,062 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 321 transitions.
[2024-03-11 23:03:07,063 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:07,065 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:07,065 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:07,065 INFO  L175             Difference]: Start difference. First operand has 20 places, 17 transitions, 42 flow. Second operand 3 states and 321 transitions.
[2024-03-11 23:03:07,065 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 22 transitions, 92 flow
[2024-03-11 23:03:07,066 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 22 places, 22 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:07,066 INFO  L231             Difference]: Finished difference. Result has 24 places, 17 transitions, 57 flow
[2024-03-11 23:03:07,066 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=42, PETRI_DIFFERENCE_MINUEND_PLACES=20, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=24, PETRI_TRANSITIONS=17}
[2024-03-11 23:03:07,067 INFO  L288   CegarLoopForPetriNet]: 23 programPoint places, 1 predicate places.
[2024-03-11 23:03:07,067 INFO  L495      AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 57 flow
[2024-03-11 23:03:07,067 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:07,068 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:07,068 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2024-03-11 23:03:07,068 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-03-11 23:03:07,068 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 5 more)] ===
[2024-03-11 23:03:07,068 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:07,068 INFO  L85        PathProgramCache]: Analyzing trace with hash -1380981527, now seen corresponding path program 1 times
[2024-03-11 23:03:07,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:07,069 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797756102]
[2024-03-11 23:03:07,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:07,069 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:07,106 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:07,106 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:03:07,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:07,140 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:03:07,140 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:03:07,140 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining)
[2024-03-11 23:03:07,142 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining)
[2024-03-11 23:03:07,142 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining)
[2024-03-11 23:03:07,142 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining)
[2024-03-11 23:03:07,142 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining)
[2024-03-11 23:03:07,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining)
[2024-03-11 23:03:07,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining)
[2024-03-11 23:03:07,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining)
[2024-03-11 23:03:07,143 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-03-11 23:03:07,143 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-03-11 23:03:07,145 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:03:07,145 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-03-11 23:03:07,159 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-03-11 23:03:07,162 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,186 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2024-03-11 23:03:07,186 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 23:03:07,187 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 632 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2024-03-11 23:03:07,187 INFO  L82        GeneralOperation]: Start removeDead. Operand has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,188 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,188 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:03:07,188 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,189 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,189 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 125 places, 125 transitions, 268 flow
[2024-03-11 23:03:07,207 INFO  L130       PetriNetUnfolder]: 11/276 cut-off events.
[2024-03-11 23:03:07,207 INFO  L131       PetriNetUnfolder]: For 6/6 co-relation queries the response was YES.
[2024-03-11 23:03:07,207 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 290 conditions, 276 events. 11/276 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 632 event pairs, 0 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 160. Up to 8 conditions per place. 
[2024-03-11 23:03:07,210 INFO  L119        LiptonReduction]: Number of co-enabled transitions 3892
[2024-03-11 23:03:11,748 INFO  L134        LiptonReduction]: Checked pairs total: 8005
[2024-03-11 23:03:11,749 INFO  L136        LiptonReduction]: Total number of compositions: 106
[2024-03-11 23:03:11,751 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:03:11,752 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0c137b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:03:11,752 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 9 error locations.
[2024-03-11 23:03:11,754 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 23:03:11,754 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:03:11,754 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:11,754 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 23:03:11,754 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 23:03:11,754 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:11,754 INFO  L85        PathProgramCache]: Analyzing trace with hash 20350, now seen corresponding path program 1 times
[2024-03-11 23:03:11,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:11,755 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530805006]
[2024-03-11 23:03:11,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:11,755 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:11,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:11,773 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:11,773 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:11,773 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530805006]
[2024-03-11 23:03:11,773 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530805006] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:11,773 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:11,773 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 23:03:11,774 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195354654]
[2024-03-11 23:03:11,774 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:11,774 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 23:03:11,774 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:11,774 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 23:03:11,774 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 23:03:11,775 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 118 out of 231
[2024-03-11 23:03:11,775 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 33 transitions, 84 flow. Second operand  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,775 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:11,775 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 231
[2024-03-11 23:03:11,775 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:11,864 INFO  L130       PetriNetUnfolder]: 378/759 cut-off events.
[2024-03-11 23:03:11,864 INFO  L131       PetriNetUnfolder]: For 38/38 co-relation queries the response was YES.
[2024-03-11 23:03:11,866 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1466 conditions, 759 events. 378/759 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3857 event pairs, 371 based on Foata normal form. 0/668 useless extension candidates. Maximal degree in co-relation 519. Up to 666 conditions per place. 
[2024-03-11 23:03:11,869 INFO  L137   encePairwiseOnDemand]: 227/231 looper letters, 21 selfloop transitions, 0 changer transitions 0/29 dead transitions.
[2024-03-11 23:03:11,869 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 29 transitions, 118 flow
[2024-03-11 23:03:11,870 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 23:03:11,870 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 23:03:11,871 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 261 transitions.
[2024-03-11 23:03:11,871 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.564935064935065
[2024-03-11 23:03:11,871 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 261 transitions.
[2024-03-11 23:03:11,871 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 261 transitions.
[2024-03-11 23:03:11,871 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:11,872 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 261 transitions.
[2024-03-11 23:03:11,872 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 130.5) internal successors, (261), 2 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,873 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,874 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 231.0) internal successors, (693), 3 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,874 INFO  L175             Difference]: Start difference. First operand has 36 places, 33 transitions, 84 flow. Second operand 2 states and 261 transitions.
[2024-03-11 23:03:11,874 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 29 transitions, 118 flow
[2024-03-11 23:03:11,875 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 29 transitions, 118 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:11,875 INFO  L231             Difference]: Finished difference. Result has 33 places, 29 transitions, 76 flow
[2024-03-11 23:03:11,875 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=76, PETRI_PLACES=33, PETRI_TRANSITIONS=29}
[2024-03-11 23:03:11,876 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, -3 predicate places.
[2024-03-11 23:03:11,876 INFO  L495      AbstractCegarLoop]: Abstraction has has 33 places, 29 transitions, 76 flow
[2024-03-11 23:03:11,876 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 119.0) internal successors, (238), 2 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,876 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:11,877 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:03:11,877 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-03-11 23:03:11,877 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 23:03:11,877 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:11,877 INFO  L85        PathProgramCache]: Analyzing trace with hash 19524473, now seen corresponding path program 1 times
[2024-03-11 23:03:11,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:11,878 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446208600]
[2024-03-11 23:03:11,878 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:11,878 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:11,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:11,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:11,904 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:11,905 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446208600]
[2024-03-11 23:03:11,905 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446208600] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:11,905 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:11,905 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:11,905 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801698198]
[2024-03-11 23:03:11,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:11,905 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:11,906 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:11,906 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:11,906 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:11,920 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 113 out of 231
[2024-03-11 23:03:11,920 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 29 transitions, 76 flow. Second operand  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:11,920 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:11,920 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 231
[2024-03-11 23:03:11,920 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:12,092 INFO  L130       PetriNetUnfolder]: 679/1281 cut-off events.
[2024-03-11 23:03:12,092 INFO  L131       PetriNetUnfolder]: For 42/42 co-relation queries the response was YES.
[2024-03-11 23:03:12,093 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 1281 events. 679/1281 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 6822 event pairs, 416 based on Foata normal form. 0/1155 useless extension candidates. Maximal degree in co-relation 2520. Up to 850 conditions per place. 
[2024-03-11 23:03:12,097 INFO  L137   encePairwiseOnDemand]: 226/231 looper letters, 32 selfloop transitions, 4 changer transitions 0/41 dead transitions.
[2024-03-11 23:03:12,097 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 41 transitions, 172 flow
[2024-03-11 23:03:12,098 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:12,098 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:12,099 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions.
[2024-03-11 23:03:12,099 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5425685425685426
[2024-03-11 23:03:12,099 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 376 transitions.
[2024-03-11 23:03:12,099 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 376 transitions.
[2024-03-11 23:03:12,099 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:12,100 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 376 transitions.
[2024-03-11 23:03:12,100 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,102 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,103 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,103 INFO  L175             Difference]: Start difference. First operand has 33 places, 29 transitions, 76 flow. Second operand 3 states and 376 transitions.
[2024-03-11 23:03:12,103 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 41 transitions, 172 flow
[2024-03-11 23:03:12,104 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 41 transitions, 172 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:12,104 INFO  L231             Difference]: Finished difference. Result has 37 places, 32 transitions, 106 flow
[2024-03-11 23:03:12,104 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=37, PETRI_TRANSITIONS=32}
[2024-03-11 23:03:12,105 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places.
[2024-03-11 23:03:12,105 INFO  L495      AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 106 flow
[2024-03-11 23:03:12,105 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 114.33333333333333) internal successors, (343), 3 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,105 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:12,106 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:12,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-03-11 23:03:12,106 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 23:03:12,106 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:12,106 INFO  L85        PathProgramCache]: Analyzing trace with hash -1008417731, now seen corresponding path program 1 times
[2024-03-11 23:03:12,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:12,106 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194682296]
[2024-03-11 23:03:12,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:12,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:12,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:12,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:12,136 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:12,136 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194682296]
[2024-03-11 23:03:12,136 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194682296] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:12,136 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:12,136 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:12,136 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226419285]
[2024-03-11 23:03:12,137 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:12,137 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:12,137 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:12,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:12,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:12,150 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 111 out of 231
[2024-03-11 23:03:12,151 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 106 flow. Second operand  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,151 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:12,151 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 231
[2024-03-11 23:03:12,151 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:12,401 INFO  L130       PetriNetUnfolder]: 739/1420 cut-off events.
[2024-03-11 23:03:12,401 INFO  L131       PetriNetUnfolder]: For 335/335 co-relation queries the response was YES.
[2024-03-11 23:03:12,403 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 1420 events. 739/1420 cut-off events. For 335/335 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8175 event pairs, 430 based on Foata normal form. 0/1298 useless extension candidates. Maximal degree in co-relation 3143. Up to 943 conditions per place. 
[2024-03-11 23:03:12,407 INFO  L137   encePairwiseOnDemand]: 225/231 looper letters, 35 selfloop transitions, 7 changer transitions 0/49 dead transitions.
[2024-03-11 23:03:12,407 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 49 transitions, 242 flow
[2024-03-11 23:03:12,408 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:12,408 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:12,409 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions.
[2024-03-11 23:03:12,409 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5382395382395382
[2024-03-11 23:03:12,409 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 373 transitions.
[2024-03-11 23:03:12,409 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions.
[2024-03-11 23:03:12,409 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:12,409 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions.
[2024-03-11 23:03:12,410 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,412 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,412 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,412 INFO  L175             Difference]: Start difference. First operand has 37 places, 32 transitions, 106 flow. Second operand 3 states and 373 transitions.
[2024-03-11 23:03:12,412 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 49 transitions, 242 flow
[2024-03-11 23:03:12,415 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 49 transitions, 230 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:03:12,416 INFO  L231             Difference]: Finished difference. Result has 39 places, 37 transitions, 154 flow
[2024-03-11 23:03:12,416 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=39, PETRI_TRANSITIONS=37}
[2024-03-11 23:03:12,416 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 3 predicate places.
[2024-03-11 23:03:12,417 INFO  L495      AbstractCegarLoop]: Abstraction has has 39 places, 37 transitions, 154 flow
[2024-03-11 23:03:12,417 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,417 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:12,417 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:12,417 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-03-11 23:03:12,417 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 23:03:12,418 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:12,418 INFO  L85        PathProgramCache]: Analyzing trace with hash 2135546759, now seen corresponding path program 1 times
[2024-03-11 23:03:12,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:12,418 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617737357]
[2024-03-11 23:03:12,418 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:12,418 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:12,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:12,495 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:12,495 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:12,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617737357]
[2024-03-11 23:03:12,496 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617737357] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 23:03:12,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926807310]
[2024-03-11 23:03:12,496 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:12,496 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:12,496 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 23:03:12,501 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-03-11 23:03:12,516 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-03-11 23:03:12,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:12,608 INFO  L263         TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-11 23:03:12,609 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 23:03:12,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:12,653 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-11 23:03:12,676 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:12,676 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [926807310] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-11 23:03:12,677 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-11 23:03:12,677 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6
[2024-03-11 23:03:12,677 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735249159]
[2024-03-11 23:03:12,677 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-11 23:03:12,677 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-03-11 23:03:12,677 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:12,678 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-03-11 23:03:12,678 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-03-11 23:03:12,781 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 108 out of 231
[2024-03-11 23:03:12,782 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 37 transitions, 154 flow. Second operand  has 7 states, 7 states have (on average 109.71428571428571) internal successors, (768), 7 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,783 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:12,783 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 231
[2024-03-11 23:03:12,783 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:12,968 INFO  L130       PetriNetUnfolder]: 349/721 cut-off events.
[2024-03-11 23:03:12,968 INFO  L131       PetriNetUnfolder]: For 440/513 co-relation queries the response was YES.
[2024-03-11 23:03:12,969 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1765 conditions, 721 events. 349/721 cut-off events. For 440/513 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3565 event pairs, 166 based on Foata normal form. 83/756 useless extension candidates. Maximal degree in co-relation 1757. Up to 379 conditions per place. 
[2024-03-11 23:03:12,972 INFO  L137   encePairwiseOnDemand]: 225/231 looper letters, 38 selfloop transitions, 5 changer transitions 15/68 dead transitions.
[2024-03-11 23:03:12,972 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 68 transitions, 374 flow
[2024-03-11 23:03:12,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-03-11 23:03:12,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 7 states.
[2024-03-11 23:03:12,974 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 805 transitions.
[2024-03-11 23:03:12,974 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.49783549783549785
[2024-03-11 23:03:12,974 INFO  L72            ComplementDD]: Start complementDD. Operand 7 states and 805 transitions.
[2024-03-11 23:03:12,974 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 7 states and 805 transitions.
[2024-03-11 23:03:12,975 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:12,975 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 805 transitions.
[2024-03-11 23:03:12,976 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 8 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,979 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 8 states, 8 states have (on average 231.0) internal successors, (1848), 8 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,980 INFO  L81            ComplementDD]: Finished complementDD. Result  has 8 states, 8 states have (on average 231.0) internal successors, (1848), 8 states have internal predecessors, (1848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,980 INFO  L175             Difference]: Start difference. First operand has 39 places, 37 transitions, 154 flow. Second operand 7 states and 805 transitions.
[2024-03-11 23:03:12,980 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 68 transitions, 374 flow
[2024-03-11 23:03:12,981 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 68 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:03:12,982 INFO  L231             Difference]: Finished difference. Result has 46 places, 38 transitions, 166 flow
[2024-03-11 23:03:12,982 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=166, PETRI_PLACES=46, PETRI_TRANSITIONS=38}
[2024-03-11 23:03:12,983 INFO  L288   CegarLoopForPetriNet]: 36 programPoint places, 10 predicate places.
[2024-03-11 23:03:12,983 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 166 flow
[2024-03-11 23:03:12,983 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 109.71428571428571) internal successors, (768), 7 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:12,983 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:12,984 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2024-03-11 23:03:12,996 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-03-11 23:03:13,188 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:13,189 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 6 more)] ===
[2024-03-11 23:03:13,189 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:13,190 INFO  L85        PathProgramCache]: Analyzing trace with hash -711118322, now seen corresponding path program 1 times
[2024-03-11 23:03:13,190 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:13,190 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418264670]
[2024-03-11 23:03:13,190 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:13,191 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:13,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:13,213 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:03:13,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:13,239 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:03:13,240 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining)
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining)
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining)
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining)
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (4 of 9 remaining)
[2024-03-11 23:03:13,240 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining)
[2024-03-11 23:03:13,241 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining)
[2024-03-11 23:03:13,241 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining)
[2024-03-11 23:03:13,241 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining)
[2024-03-11 23:03:13,241 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-03-11 23:03:13,241 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-03-11 23:03:13,241 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:03:13,242 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-03-11 23:03:13,255 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-03-11 23:03:13,256 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,289 INFO  L130       PetriNetUnfolder]: 21/479 cut-off events.
[2024-03-11 23:03:13,289 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 23:03:13,290 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 507 conditions, 479 events. 21/479 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1390 event pairs, 1 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 284. Up to 16 conditions per place. 
[2024-03-11 23:03:13,290 INFO  L82        GeneralOperation]: Start removeDead. Operand has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,292 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,292 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:03:13,292 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,292 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,292 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 142 places, 141 transitions, 312 flow
[2024-03-11 23:03:13,324 INFO  L130       PetriNetUnfolder]: 21/479 cut-off events.
[2024-03-11 23:03:13,325 INFO  L131       PetriNetUnfolder]: For 19/19 co-relation queries the response was YES.
[2024-03-11 23:03:13,325 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 507 conditions, 479 events. 21/479 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1390 event pairs, 1 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 284. Up to 16 conditions per place. 
[2024-03-11 23:03:13,331 INFO  L119        LiptonReduction]: Number of co-enabled transitions 6552
[2024-03-11 23:03:17,955 INFO  L134        LiptonReduction]: Checked pairs total: 14768
[2024-03-11 23:03:17,955 INFO  L136        LiptonReduction]: Total number of compositions: 114
[2024-03-11 23:03:17,957 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:03:17,957 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0c137b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:03:17,958 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-03-11 23:03:17,959 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 23:03:17,959 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:03:17,959 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:17,959 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 23:03:17,959 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:17,959 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:17,959 INFO  L85        PathProgramCache]: Analyzing trace with hash 29023, now seen corresponding path program 1 times
[2024-03-11 23:03:17,959 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:17,960 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431794947]
[2024-03-11 23:03:17,960 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:17,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:17,966 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:17,970 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:17,970 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:17,970 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431794947]
[2024-03-11 23:03:17,971 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431794947] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:17,971 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:17,971 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 23:03:17,971 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941322755]
[2024-03-11 23:03:17,971 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:17,971 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 23:03:17,971 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:17,971 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 23:03:17,972 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 23:03:17,972 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 132 out of 255
[2024-03-11 23:03:17,972 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 112 flow. Second operand  has 2 states, 2 states have (on average 133.0) internal successors, (266), 2 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:17,972 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:17,972 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 255
[2024-03-11 23:03:17,972 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:18,309 INFO  L130       PetriNetUnfolder]: 2816/4985 cut-off events.
[2024-03-11 23:03:18,309 INFO  L131       PetriNetUnfolder]: For 403/403 co-relation queries the response was YES.
[2024-03-11 23:03:18,313 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 9513 conditions, 4985 events. 2816/4985 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 33229 event pairs, 2773 based on Foata normal form. 0/4536 useless extension candidates. Maximal degree in co-relation 1298. Up to 4239 conditions per place. 
[2024-03-11 23:03:18,327 INFO  L137   encePairwiseOnDemand]: 251/255 looper letters, 26 selfloop transitions, 0 changer transitions 0/37 dead transitions.
[2024-03-11 23:03:18,327 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 37 transitions, 156 flow
[2024-03-11 23:03:18,328 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 23:03:18,328 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 23:03:18,329 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 294 transitions.
[2024-03-11 23:03:18,329 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5764705882352941
[2024-03-11 23:03:18,329 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 294 transitions.
[2024-03-11 23:03:18,329 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 294 transitions.
[2024-03-11 23:03:18,329 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:18,329 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 294 transitions.
[2024-03-11 23:03:18,330 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:18,331 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:18,331 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 255.0) internal successors, (765), 3 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:18,331 INFO  L175             Difference]: Start difference. First operand has 45 places, 41 transitions, 112 flow. Second operand 2 states and 294 transitions.
[2024-03-11 23:03:18,331 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 37 transitions, 156 flow
[2024-03-11 23:03:18,332 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 37 transitions, 156 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:18,332 INFO  L231             Difference]: Finished difference. Result has 42 places, 37 transitions, 104 flow
[2024-03-11 23:03:18,332 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=42, PETRI_TRANSITIONS=37}
[2024-03-11 23:03:18,333 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, -3 predicate places.
[2024-03-11 23:03:18,333 INFO  L495      AbstractCegarLoop]: Abstraction has has 42 places, 37 transitions, 104 flow
[2024-03-11 23:03:18,333 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 133.0) internal successors, (266), 2 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:18,333 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:18,333 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:03:18,333 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-03-11 23:03:18,333 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:18,334 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:18,334 INFO  L85        PathProgramCache]: Analyzing trace with hash 27864867, now seen corresponding path program 1 times
[2024-03-11 23:03:18,334 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:18,334 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255728543]
[2024-03-11 23:03:18,334 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:18,334 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:18,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:18,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:18,350 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:18,350 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255728543]
[2024-03-11 23:03:18,350 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255728543] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:18,350 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:18,350 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:18,350 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669528131]
[2024-03-11 23:03:18,350 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:18,350 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:18,350 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:18,351 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:18,351 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:18,365 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 126 out of 255
[2024-03-11 23:03:18,366 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 37 transitions, 104 flow. Second operand  has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:18,366 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:18,366 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 255
[2024-03-11 23:03:18,366 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:19,066 INFO  L130       PetriNetUnfolder]: 7618/11957 cut-off events.
[2024-03-11 23:03:19,066 INFO  L131       PetriNetUnfolder]: For 567/567 co-relation queries the response was YES.
[2024-03-11 23:03:19,076 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 23698 conditions, 11957 events. 7618/11957 cut-off events. For 567/567 co-relation queries the response was YES. Maximal size of possible extension queue 414. Compared 74651 event pairs, 4897 based on Foata normal form. 0/11069 useless extension candidates. Maximal degree in co-relation 23692. Up to 8281 conditions per place. 
[2024-03-11 23:03:19,115 INFO  L137   encePairwiseOnDemand]: 249/255 looper letters, 43 selfloop transitions, 5 changer transitions 0/54 dead transitions.
[2024-03-11 23:03:19,115 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 54 transitions, 234 flow
[2024-03-11 23:03:19,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:19,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:19,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 427 transitions.
[2024-03-11 23:03:19,117 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5581699346405229
[2024-03-11 23:03:19,117 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 427 transitions.
[2024-03-11 23:03:19,117 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 427 transitions.
[2024-03-11 23:03:19,117 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:19,117 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 427 transitions.
[2024-03-11 23:03:19,118 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:19,119 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:19,120 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:19,120 INFO  L175             Difference]: Start difference. First operand has 42 places, 37 transitions, 104 flow. Second operand 3 states and 427 transitions.
[2024-03-11 23:03:19,120 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 54 transitions, 234 flow
[2024-03-11 23:03:19,121 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 54 transitions, 234 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:19,121 INFO  L231             Difference]: Finished difference. Result has 46 places, 41 transitions, 142 flow
[2024-03-11 23:03:19,121 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=46, PETRI_TRANSITIONS=41}
[2024-03-11 23:03:19,122 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places.
[2024-03-11 23:03:19,122 INFO  L495      AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 142 flow
[2024-03-11 23:03:19,122 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:19,122 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:19,122 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:19,122 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-03-11 23:03:19,123 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:19,123 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:19,123 INFO  L85        PathProgramCache]: Analyzing trace with hash -1566397383, now seen corresponding path program 1 times
[2024-03-11 23:03:19,123 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:19,123 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369044998]
[2024-03-11 23:03:19,123 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:19,123 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:19,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:19,142 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:19,142 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:19,142 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369044998]
[2024-03-11 23:03:19,142 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369044998] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:19,142 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:19,142 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:19,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236208972]
[2024-03-11 23:03:19,143 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:19,143 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:19,143 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:19,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:19,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:19,161 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 124 out of 255
[2024-03-11 23:03:19,162 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 142 flow. Second operand  has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:19,162 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:19,162 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 255
[2024-03-11 23:03:19,162 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:20,069 INFO  L130       PetriNetUnfolder]: 8145/13051 cut-off events.
[2024-03-11 23:03:20,070 INFO  L131       PetriNetUnfolder]: For 3356/3356 co-relation queries the response was YES.
[2024-03-11 23:03:20,082 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 29210 conditions, 13051 events. 8145/13051 cut-off events. For 3356/3356 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 86765 event pairs, 6157 based on Foata normal form. 0/12140 useless extension candidates. Maximal degree in co-relation 29202. Up to 10676 conditions per place. 
[2024-03-11 23:03:20,115 INFO  L137   encePairwiseOnDemand]: 249/255 looper letters, 49 selfloop transitions, 8 changer transitions 0/65 dead transitions.
[2024-03-11 23:03:20,115 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 65 transitions, 338 flow
[2024-03-11 23:03:20,116 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:20,116 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:20,117 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 425 transitions.
[2024-03-11 23:03:20,117 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5555555555555556
[2024-03-11 23:03:20,117 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 425 transitions.
[2024-03-11 23:03:20,117 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 425 transitions.
[2024-03-11 23:03:20,117 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:20,117 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 425 transitions.
[2024-03-11 23:03:20,118 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:20,119 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:20,120 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:20,120 INFO  L175             Difference]: Start difference. First operand has 46 places, 41 transitions, 142 flow. Second operand 3 states and 425 transitions.
[2024-03-11 23:03:20,120 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 65 transitions, 338 flow
[2024-03-11 23:03:20,155 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 65 transitions, 322 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:03:20,156 INFO  L231             Difference]: Finished difference. Result has 47 places, 47 transitions, 192 flow
[2024-03-11 23:03:20,156 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=47, PETRI_TRANSITIONS=47}
[2024-03-11 23:03:20,156 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 2 predicate places.
[2024-03-11 23:03:20,156 INFO  L495      AbstractCegarLoop]: Abstraction has has 47 places, 47 transitions, 192 flow
[2024-03-11 23:03:20,157 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:20,157 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:20,157 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:20,157 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-03-11 23:03:20,157 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:20,157 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:20,157 INFO  L85        PathProgramCache]: Analyzing trace with hash -1869053179, now seen corresponding path program 1 times
[2024-03-11 23:03:20,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:20,158 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374319626]
[2024-03-11 23:03:20,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:20,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:20,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:20,219 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:20,219 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:20,219 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374319626]
[2024-03-11 23:03:20,219 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374319626] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 23:03:20,220 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440712361]
[2024-03-11 23:03:20,220 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:20,220 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:20,220 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 23:03:20,221 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-03-11 23:03:20,225 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-03-11 23:03:20,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:20,304 INFO  L263         TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-11 23:03:20,305 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 23:03:20,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:20,343 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-11 23:03:20,362 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:20,363 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440712361] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-11 23:03:20,363 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-11 23:03:20,363 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8
[2024-03-11 23:03:20,363 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886870449]
[2024-03-11 23:03:20,363 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-11 23:03:20,363 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-03-11 23:03:20,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:20,364 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-03-11 23:03:20,364 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-03-11 23:03:20,467 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 122 out of 255
[2024-03-11 23:03:20,468 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 47 transitions, 192 flow. Second operand  has 9 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:20,468 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:20,468 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 255
[2024-03-11 23:03:20,468 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:21,040 INFO  L130       PetriNetUnfolder]: 3432/6035 cut-off events.
[2024-03-11 23:03:21,040 INFO  L131       PetriNetUnfolder]: For 1831/2860 co-relation queries the response was YES.
[2024-03-11 23:03:21,047 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 13625 conditions, 6035 events. 3432/6035 cut-off events. For 1831/2860 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 40578 event pairs, 1167 based on Foata normal form. 539/6167 useless extension candidates. Maximal degree in co-relation 13616. Up to 3099 conditions per place. 
[2024-03-11 23:03:21,060 INFO  L137   encePairwiseOnDemand]: 248/255 looper letters, 58 selfloop transitions, 7 changer transitions 4/88 dead transitions.
[2024-03-11 23:03:21,060 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 88 transitions, 438 flow
[2024-03-11 23:03:21,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-03-11 23:03:21,060 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-03-11 23:03:21,062 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1042 transitions.
[2024-03-11 23:03:21,063 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5107843137254902
[2024-03-11 23:03:21,063 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 1042 transitions.
[2024-03-11 23:03:21,063 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 1042 transitions.
[2024-03-11 23:03:21,064 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:21,064 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1042 transitions.
[2024-03-11 23:03:21,066 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 130.25) internal successors, (1042), 8 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:21,068 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 255.0) internal successors, (2295), 9 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:21,069 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 255.0) internal successors, (2295), 9 states have internal predecessors, (2295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:21,069 INFO  L175             Difference]: Start difference. First operand has 47 places, 47 transitions, 192 flow. Second operand 8 states and 1042 transitions.
[2024-03-11 23:03:21,069 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 88 transitions, 438 flow
[2024-03-11 23:03:21,072 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 88 transitions, 427 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 23:03:21,073 INFO  L231             Difference]: Finished difference. Result has 57 places, 51 transitions, 229 flow
[2024-03-11 23:03:21,074 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=229, PETRI_PLACES=57, PETRI_TRANSITIONS=51}
[2024-03-11 23:03:21,074 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 12 predicate places.
[2024-03-11 23:03:21,074 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 229 flow
[2024-03-11 23:03:21,075 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 123.77777777777777) internal successors, (1114), 9 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:21,075 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:21,075 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:21,080 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-03-11 23:03:21,277 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:21,278 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:21,279 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:21,279 INFO  L85        PathProgramCache]: Analyzing trace with hash -337327181, now seen corresponding path program 1 times
[2024-03-11 23:03:21,279 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:21,280 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772029757]
[2024-03-11 23:03:21,280 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:21,280 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:21,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:21,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 23:03:21,313 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:21,313 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772029757]
[2024-03-11 23:03:21,313 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772029757] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:21,313 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:21,314 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:21,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946735003]
[2024-03-11 23:03:21,314 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:21,314 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:21,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:21,314 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:21,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:21,331 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 124 out of 255
[2024-03-11 23:03:21,332 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 229 flow. Second operand  has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:21,332 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:21,332 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 255
[2024-03-11 23:03:21,332 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:22,014 INFO  L130       PetriNetUnfolder]: 5740/9433 cut-off events.
[2024-03-11 23:03:22,014 INFO  L131       PetriNetUnfolder]: For 7015/7160 co-relation queries the response was YES.
[2024-03-11 23:03:22,028 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25146 conditions, 9433 events. 5740/9433 cut-off events. For 7015/7160 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 59613 event pairs, 4367 based on Foata normal form. 0/9029 useless extension candidates. Maximal degree in co-relation 25133. Up to 7796 conditions per place. 
[2024-03-11 23:03:22,053 INFO  L137   encePairwiseOnDemand]: 249/255 looper letters, 58 selfloop transitions, 10 changer transitions 0/76 dead transitions.
[2024-03-11 23:03:22,053 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 76 transitions, 474 flow
[2024-03-11 23:03:22,054 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:22,054 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:22,055 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 424 transitions.
[2024-03-11 23:03:22,055 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5542483660130719
[2024-03-11 23:03:22,056 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 424 transitions.
[2024-03-11 23:03:22,056 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 424 transitions.
[2024-03-11 23:03:22,056 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:22,056 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 424 transitions.
[2024-03-11 23:03:22,057 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,058 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,058 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,058 INFO  L175             Difference]: Start difference. First operand has 57 places, 51 transitions, 229 flow. Second operand 3 states and 424 transitions.
[2024-03-11 23:03:22,058 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 76 transitions, 474 flow
[2024-03-11 23:03:22,067 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 76 transitions, 469 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-11 23:03:22,068 INFO  L231             Difference]: Finished difference. Result has 58 places, 57 transitions, 304 flow
[2024-03-11 23:03:22,069 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=58, PETRI_TRANSITIONS=57}
[2024-03-11 23:03:22,069 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 13 predicate places.
[2024-03-11 23:03:22,069 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 57 transitions, 304 flow
[2024-03-11 23:03:22,069 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,070 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:22,070 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:22,070 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-03-11 23:03:22,070 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:22,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:22,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 105197198, now seen corresponding path program 1 times
[2024-03-11 23:03:22,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:22,070 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937881057]
[2024-03-11 23:03:22,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:22,071 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:22,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:22,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:22,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:22,133 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937881057]
[2024-03-11 23:03:22,133 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937881057] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:22,133 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:22,133 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 23:03:22,133 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639605989]
[2024-03-11 23:03:22,133 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:22,133 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:22,134 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:22,134 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:22,134 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:22,147 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 125 out of 255
[2024-03-11 23:03:22,148 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 57 transitions, 304 flow. Second operand  has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,148 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:22,148 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 255
[2024-03-11 23:03:22,148 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:22,358 INFO  L130       PetriNetUnfolder]: 749/1905 cut-off events.
[2024-03-11 23:03:22,358 INFO  L131       PetriNetUnfolder]: For 2265/2289 co-relation queries the response was YES.
[2024-03-11 23:03:22,361 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5440 conditions, 1905 events. 749/1905 cut-off events. For 2265/2289 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 13482 event pairs, 138 based on Foata normal form. 348/2201 useless extension candidates. Maximal degree in co-relation 5426. Up to 1127 conditions per place. 
[2024-03-11 23:03:22,364 INFO  L137   encePairwiseOnDemand]: 249/255 looper letters, 43 selfloop transitions, 6 changer transitions 0/64 dead transitions.
[2024-03-11 23:03:22,365 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 64 transitions, 419 flow
[2024-03-11 23:03:22,365 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:22,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:22,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 416 transitions.
[2024-03-11 23:03:22,366 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5437908496732026
[2024-03-11 23:03:22,366 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 416 transitions.
[2024-03-11 23:03:22,366 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 416 transitions.
[2024-03-11 23:03:22,367 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:22,367 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 416 transitions.
[2024-03-11 23:03:22,368 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 138.66666666666666) internal successors, (416), 3 states have internal predecessors, (416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,369 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,369 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 255.0) internal successors, (1020), 4 states have internal predecessors, (1020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,369 INFO  L175             Difference]: Start difference. First operand has 58 places, 57 transitions, 304 flow. Second operand 3 states and 416 transitions.
[2024-03-11 23:03:22,369 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 64 transitions, 419 flow
[2024-03-11 23:03:22,372 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 413 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-03-11 23:03:22,373 INFO  L231             Difference]: Finished difference. Result has 59 places, 49 transitions, 244 flow
[2024-03-11 23:03:22,373 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=255, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=59, PETRI_TRANSITIONS=49}
[2024-03-11 23:03:22,374 INFO  L288   CegarLoopForPetriNet]: 45 programPoint places, 14 predicate places.
[2024-03-11 23:03:22,374 INFO  L495      AbstractCegarLoop]: Abstraction has has 59 places, 49 transitions, 244 flow
[2024-03-11 23:03:22,374 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:22,374 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:22,374 INFO  L209   CegarLoopForPetriNet]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1]
[2024-03-11 23:03:22,375 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-03-11 23:03:22,375 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] ===
[2024-03-11 23:03:22,375 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:22,375 INFO  L85        PathProgramCache]: Analyzing trace with hash -242284847, now seen corresponding path program 1 times
[2024-03-11 23:03:22,375 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:22,375 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948554744]
[2024-03-11 23:03:22,375 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:22,375 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:22,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:22,395 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:03:22,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:03:22,411 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:03:22,411 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:03:22,411 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-03-11 23:03:22,411 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining)
[2024-03-11 23:03:22,412 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining)
[2024-03-11 23:03:22,412 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-03-11 23:03:22,413 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:22,413 WARN  L233   ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:03:22,413 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances.
[2024-03-11 23:03:22,430 INFO  L144    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-03-11 23:03:22,431 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,509 INFO  L130       PetriNetUnfolder]: 43/854 cut-off events.
[2024-03-11 23:03:22,509 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-11 23:03:22,511 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 909 conditions, 854 events. 43/854 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3379 event pairs, 6 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 499. Up to 32 conditions per place. 
[2024-03-11 23:03:22,511 INFO  L82        GeneralOperation]: Start removeDead. Operand has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,513 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,513 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:03:22,513 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,514 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,514 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 159 places, 157 transitions, 358 flow
[2024-03-11 23:03:22,572 INFO  L130       PetriNetUnfolder]: 43/854 cut-off events.
[2024-03-11 23:03:22,572 INFO  L131       PetriNetUnfolder]: For 48/48 co-relation queries the response was YES.
[2024-03-11 23:03:22,574 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 909 conditions, 854 events. 43/854 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3379 event pairs, 6 based on Foata normal form. 0/738 useless extension candidates. Maximal degree in co-relation 499. Up to 32 conditions per place. 
[2024-03-11 23:03:22,588 INFO  L119        LiptonReduction]: Number of co-enabled transitions 9688
[2024-03-11 23:03:27,348 INFO  L134        LiptonReduction]: Checked pairs total: 22765
[2024-03-11 23:03:27,348 INFO  L136        LiptonReduction]: Total number of compositions: 124
[2024-03-11 23:03:27,349 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:03:27,349 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0c137b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:03:27,349 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-03-11 23:03:27,350 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2024-03-11 23:03:27,350 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:03:27,350 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:27,350 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 23:03:27,351 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:03:27,351 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:27,351 INFO  L85        PathProgramCache]: Analyzing trace with hash 38525, now seen corresponding path program 1 times
[2024-03-11 23:03:27,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:27,351 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118496234]
[2024-03-11 23:03:27,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:27,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:27,355 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:27,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:27,358 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:27,358 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118496234]
[2024-03-11 23:03:27,358 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118496234] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:27,358 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:27,358 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 23:03:27,358 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820286646]
[2024-03-11 23:03:27,358 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:27,359 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 23:03:27,359 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:27,359 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 23:03:27,359 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 23:03:27,359 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 281
[2024-03-11 23:03:27,360 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 49 transitions, 142 flow. Second operand  has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:27,360 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:27,360 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 281
[2024-03-11 23:03:27,360 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:29,936 INFO  L130       PetriNetUnfolder]: 31319/48454 cut-off events.
[2024-03-11 23:03:29,936 INFO  L131       PetriNetUnfolder]: For 4852/4852 co-relation queries the response was YES.
[2024-03-11 23:03:29,995 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 93799 conditions, 48454 events. 31319/48454 cut-off events. For 4852/4852 co-relation queries the response was YES. Maximal size of possible extension queue 1513. Compared 363388 event pairs, 30968 based on Foata normal form. 0/44995 useless extension candidates. Maximal degree in co-relation 13209. Up to 42608 conditions per place. 
[2024-03-11 23:03:30,132 INFO  L137   encePairwiseOnDemand]: 277/281 looper letters, 34 selfloop transitions, 0 changer transitions 0/45 dead transitions.
[2024-03-11 23:03:30,132 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 45 transitions, 202 flow
[2024-03-11 23:03:30,133 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 23:03:30,133 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 23:03:30,134 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 330 transitions.
[2024-03-11 23:03:30,134 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5871886120996441
[2024-03-11 23:03:30,134 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 330 transitions.
[2024-03-11 23:03:30,134 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 330 transitions.
[2024-03-11 23:03:30,134 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:30,134 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 330 transitions.
[2024-03-11 23:03:30,135 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 165.0) internal successors, (330), 2 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:30,136 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:30,136 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 281.0) internal successors, (843), 3 states have internal predecessors, (843), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:30,136 INFO  L175             Difference]: Start difference. First operand has 54 places, 49 transitions, 142 flow. Second operand 2 states and 330 transitions.
[2024-03-11 23:03:30,136 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 45 transitions, 202 flow
[2024-03-11 23:03:30,137 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 45 transitions, 202 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:30,138 INFO  L231             Difference]: Finished difference. Result has 51 places, 45 transitions, 134 flow
[2024-03-11 23:03:30,138 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=51, PETRI_TRANSITIONS=45}
[2024-03-11 23:03:30,138 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, -3 predicate places.
[2024-03-11 23:03:30,138 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 45 transitions, 134 flow
[2024-03-11 23:03:30,139 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 147.0) internal successors, (294), 2 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:30,139 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:30,139 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:03:30,139 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-03-11 23:03:30,139 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:03:30,139 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:30,139 INFO  L85        PathProgramCache]: Analyzing trace with hash 37004775, now seen corresponding path program 1 times
[2024-03-11 23:03:30,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:30,139 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161932500]
[2024-03-11 23:03:30,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:30,140 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:30,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:30,155 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:30,155 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:30,155 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161932500]
[2024-03-11 23:03:30,156 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161932500] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:30,156 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:30,156 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:30,156 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640716615]
[2024-03-11 23:03:30,156 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:30,156 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:30,156 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:30,156 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:30,156 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:30,176 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 139 out of 281
[2024-03-11 23:03:30,177 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 45 transitions, 134 flow. Second operand  has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:30,177 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:30,177 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 281
[2024-03-11 23:03:30,177 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:35,351 INFO  L130       PetriNetUnfolder]: 73069/103628 cut-off events.
[2024-03-11 23:03:35,352 INFO  L131       PetriNetUnfolder]: For 5920/5920 co-relation queries the response was YES.
[2024-03-11 23:03:35,462 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 206250 conditions, 103628 events. 73069/103628 cut-off events. For 5920/5920 co-relation queries the response was YES. Maximal size of possible extension queue 2410. Compared 705426 event pairs, 48108 based on Foata normal form. 0/97521 useless extension candidates. Maximal degree in co-relation 206243. Up to 73612 conditions per place. 
[2024-03-11 23:03:35,727 INFO  L137   encePairwiseOnDemand]: 274/281 looper letters, 54 selfloop transitions, 6 changer transitions 0/67 dead transitions.
[2024-03-11 23:03:35,728 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 67 transitions, 298 flow
[2024-03-11 23:03:35,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:35,729 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:35,729 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions.
[2024-03-11 23:03:35,729 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5670225385527876
[2024-03-11 23:03:35,730 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 478 transitions.
[2024-03-11 23:03:35,730 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 478 transitions.
[2024-03-11 23:03:35,730 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:35,730 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 478 transitions.
[2024-03-11 23:03:35,731 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:35,732 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:35,732 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:35,732 INFO  L175             Difference]: Start difference. First operand has 51 places, 45 transitions, 134 flow. Second operand 3 states and 478 transitions.
[2024-03-11 23:03:35,732 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 67 transitions, 298 flow
[2024-03-11 23:03:35,734 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 67 transitions, 298 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:03:35,735 INFO  L231             Difference]: Finished difference. Result has 55 places, 50 transitions, 180 flow
[2024-03-11 23:03:35,735 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=55, PETRI_TRANSITIONS=50}
[2024-03-11 23:03:35,736 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 1 predicate places.
[2024-03-11 23:03:35,736 INFO  L495      AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 180 flow
[2024-03-11 23:03:35,736 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:35,736 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:35,736 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:35,736 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-03-11 23:03:35,736 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:03:35,737 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:35,737 INFO  L85        PathProgramCache]: Analyzing trace with hash 157642109, now seen corresponding path program 1 times
[2024-03-11 23:03:35,737 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:35,737 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045956473]
[2024-03-11 23:03:35,737 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:35,737 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:35,747 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:35,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:35,760 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:35,760 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045956473]
[2024-03-11 23:03:35,760 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045956473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:35,760 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:35,760 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:35,760 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764966314]
[2024-03-11 23:03:35,760 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:35,760 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:35,761 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:35,761 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:35,761 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:35,782 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 281
[2024-03-11 23:03:35,782 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 180 flow. Second operand  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:35,782 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:35,782 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 281
[2024-03-11 23:03:35,782 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:42,878 INFO  L130       PetriNetUnfolder]: 89848/128539 cut-off events.
[2024-03-11 23:03:42,878 INFO  L131       PetriNetUnfolder]: For 36657/36657 co-relation queries the response was YES.
[2024-03-11 23:03:43,067 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 289520 conditions, 128539 events. 89848/128539 cut-off events. For 36657/36657 co-relation queries the response was YES. Maximal size of possible extension queue 3583. Compared 938827 event pairs, 58046 based on Foata normal form. 0/120610 useless extension candidates. Maximal degree in co-relation 289511. Up to 95069 conditions per place. 
[2024-03-11 23:03:43,471 INFO  L137   encePairwiseOnDemand]: 273/281 looper letters, 63 selfloop transitions, 11 changer transitions 0/83 dead transitions.
[2024-03-11 23:03:43,471 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 83 transitions, 446 flow
[2024-03-11 23:03:43,472 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:03:43,472 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:03:43,473 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 479 transitions.
[2024-03-11 23:03:43,473 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5682087781731909
[2024-03-11 23:03:43,473 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 479 transitions.
[2024-03-11 23:03:43,473 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 479 transitions.
[2024-03-11 23:03:43,473 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:43,474 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 479 transitions.
[2024-03-11 23:03:43,474 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 159.66666666666666) internal successors, (479), 3 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:43,475 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:43,475 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:43,476 INFO  L175             Difference]: Start difference. First operand has 55 places, 50 transitions, 180 flow. Second operand 3 states and 479 transitions.
[2024-03-11 23:03:43,476 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 83 transitions, 446 flow
[2024-03-11 23:03:45,898 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 83 transitions, 426 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:03:45,899 INFO  L231             Difference]: Finished difference. Result has 57 places, 59 transitions, 264 flow
[2024-03-11 23:03:45,899 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=57, PETRI_TRANSITIONS=59}
[2024-03-11 23:03:45,900 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 3 predicate places.
[2024-03-11 23:03:45,900 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 59 transitions, 264 flow
[2024-03-11 23:03:45,900 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 139.33333333333334) internal successors, (418), 3 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:45,900 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:45,900 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:45,900 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-03-11 23:03:45,900 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:03:45,901 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:45,901 INFO  L85        PathProgramCache]: Analyzing trace with hash 115213266, now seen corresponding path program 1 times
[2024-03-11 23:03:45,901 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:45,901 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050299393]
[2024-03-11 23:03:45,901 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:45,901 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:45,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:45,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:45,950 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:45,951 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050299393]
[2024-03-11 23:03:45,951 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050299393] provided 0 perfect and 1 imperfect interpolant sequences
[2024-03-11 23:03:45,951 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726363943]
[2024-03-11 23:03:45,951 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:45,951 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:45,951 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-03-11 23:03:45,952 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-03-11 23:03:45,956 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-03-11 23:03:46,068 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:46,069 INFO  L263         TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-03-11 23:03:46,070 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2024-03-11 23:03:46,106 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:46,107 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2024-03-11 23:03:46,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:03:46,127 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [726363943] provided 0 perfect and 2 imperfect interpolant sequences
[2024-03-11 23:03:46,127 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-03-11 23:03:46,127 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8
[2024-03-11 23:03:46,127 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484280634]
[2024-03-11 23:03:46,128 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-03-11 23:03:46,128 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-03-11 23:03:46,128 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:46,128 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-03-11 23:03:46,128 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2024-03-11 23:03:46,243 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 136 out of 281
[2024-03-11 23:03:46,244 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 264 flow. Second operand  has 9 states, 9 states have (on average 137.88888888888889) internal successors, (1241), 9 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:46,244 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:46,244 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 281
[2024-03-11 23:03:46,244 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:51,294 INFO  L130       PetriNetUnfolder]: 50973/76796 cut-off events.
[2024-03-11 23:03:51,294 INFO  L131       PetriNetUnfolder]: For 56889/60938 co-relation queries the response was YES.
[2024-03-11 23:03:51,423 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 189620 conditions, 76796 events. 50973/76796 cut-off events. For 56889/60938 co-relation queries the response was YES. Maximal size of possible extension queue 1875. Compared 581046 event pairs, 22522 based on Foata normal form. 2551/75036 useless extension candidates. Maximal degree in co-relation 189610. Up to 42914 conditions per place. 
[2024-03-11 23:03:51,661 INFO  L137   encePairwiseOnDemand]: 274/281 looper letters, 89 selfloop transitions, 7 changer transitions 4/118 dead transitions.
[2024-03-11 23:03:51,661 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 118 transitions, 666 flow
[2024-03-11 23:03:51,662 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-03-11 23:03:51,662 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 8 states.
[2024-03-11 23:03:51,664 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1176 transitions.
[2024-03-11 23:03:51,664 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5231316725978647
[2024-03-11 23:03:51,664 INFO  L72            ComplementDD]: Start complementDD. Operand 8 states and 1176 transitions.
[2024-03-11 23:03:51,664 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 8 states and 1176 transitions.
[2024-03-11 23:03:51,665 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:03:51,665 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1176 transitions.
[2024-03-11 23:03:51,666 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 9 states, 8 states have (on average 147.0) internal successors, (1176), 8 states have internal predecessors, (1176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:51,668 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 9 states, 9 states have (on average 281.0) internal successors, (2529), 9 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:51,669 INFO  L81            ComplementDD]: Finished complementDD. Result  has 9 states, 9 states have (on average 281.0) internal successors, (2529), 9 states have internal predecessors, (2529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:51,669 INFO  L175             Difference]: Start difference. First operand has 57 places, 59 transitions, 264 flow. Second operand 8 states and 1176 transitions.
[2024-03-11 23:03:51,669 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 118 transitions, 666 flow
[2024-03-11 23:03:52,242 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 118 transitions, 624 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-03-11 23:03:52,243 INFO  L231             Difference]: Finished difference. Result has 66 places, 63 transitions, 287 flow
[2024-03-11 23:03:52,244 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=287, PETRI_PLACES=66, PETRI_TRANSITIONS=63}
[2024-03-11 23:03:52,244 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 12 predicate places.
[2024-03-11 23:03:52,244 INFO  L495      AbstractCegarLoop]: Abstraction has has 66 places, 63 transitions, 287 flow
[2024-03-11 23:03:52,245 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 137.88888888888889) internal successors, (1241), 9 states have internal predecessors, (1241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:52,245 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:03:52,245 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:03:52,253 INFO  L552       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-03-11 23:03:52,445 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-03-11 23:03:52,446 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:03:52,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:03:52,447 INFO  L85        PathProgramCache]: Analyzing trace with hash 1665223977, now seen corresponding path program 1 times
[2024-03-11 23:03:52,447 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:03:52,447 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776303442]
[2024-03-11 23:03:52,447 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:03:52,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:03:52,461 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:03:52,474 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-03-11 23:03:52,474 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:03:52,474 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776303442]
[2024-03-11 23:03:52,475 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776303442] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:03:52,475 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:03:52,475 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:03:52,475 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284666283]
[2024-03-11 23:03:52,475 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:03:52,476 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:03:52,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:03:52,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:03:52,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:03:52,501 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 281
[2024-03-11 23:03:52,501 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 287 flow. Second operand  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:03:52,501 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:03:52,501 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 281
[2024-03-11 23:03:52,501 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:03:59,494 INFO  L130       PetriNetUnfolder]: 77689/112796 cut-off events.
[2024-03-11 23:03:59,494 INFO  L131       PetriNetUnfolder]: For 84473/86013 co-relation queries the response was YES.
[2024-03-11 23:03:59,734 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 299149 conditions, 112796 events. 77689/112796 cut-off events. For 84473/86013 co-relation queries the response was YES. Maximal size of possible extension queue 2517. Compared 820409 event pairs, 47469 based on Foata normal form. 2/107869 useless extension candidates. Maximal degree in co-relation 299135. Up to 83728 conditions per place. 
[2024-03-11 23:04:00,109 INFO  L137   encePairwiseOnDemand]: 273/281 looper letters, 77 selfloop transitions, 18 changer transitions 0/104 dead transitions.
[2024-03-11 23:04:00,109 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 104 transitions, 666 flow
[2024-03-11 23:04:00,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:04:00,110 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:04:00,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions.
[2024-03-11 23:04:00,111 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5670225385527876
[2024-03-11 23:04:00,111 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 478 transitions.
[2024-03-11 23:04:00,112 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 478 transitions.
[2024-03-11 23:04:00,112 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:04:00,112 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 478 transitions.
[2024-03-11 23:04:00,113 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:00,113 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:00,114 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:00,114 INFO  L175             Difference]: Start difference. First operand has 66 places, 63 transitions, 287 flow. Second operand 3 states and 478 transitions.
[2024-03-11 23:04:00,114 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 104 transitions, 666 flow
[2024-03-11 23:04:00,412 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 104 transitions, 661 flow, removed 2 selfloop flow, removed 1 redundant places.
[2024-03-11 23:04:00,414 INFO  L231             Difference]: Finished difference. Result has 68 places, 77 transitions, 466 flow
[2024-03-11 23:04:00,414 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=466, PETRI_PLACES=68, PETRI_TRANSITIONS=77}
[2024-03-11 23:04:00,414 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 14 predicate places.
[2024-03-11 23:04:00,414 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 77 transitions, 466 flow
[2024-03-11 23:04:00,414 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:00,414 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:04:00,414 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:04:00,415 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-03-11 23:04:00,415 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:04:00,415 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:04:00,415 INFO  L85        PathProgramCache]: Analyzing trace with hash -392266440, now seen corresponding path program 1 times
[2024-03-11 23:04:00,415 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:04:00,415 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781678576]
[2024-03-11 23:04:00,415 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:04:00,415 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:04:00,426 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:04:00,462 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:04:00,462 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:04:00,462 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781678576]
[2024-03-11 23:04:00,462 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781678576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:04:00,462 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:04:00,462 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-03-11 23:04:00,463 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305800230]
[2024-03-11 23:04:00,463 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:04:00,463 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:04:00,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:04:00,463 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:04:00,463 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:04:00,485 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 281
[2024-03-11 23:04:00,485 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 77 transitions, 466 flow. Second operand  has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:00,485 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:04:00,485 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 281
[2024-03-11 23:04:00,485 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:04:01,142 INFO  L130       PetriNetUnfolder]: 3769/8629 cut-off events.
[2024-03-11 23:04:01,142 INFO  L131       PetriNetUnfolder]: For 11144/11182 co-relation queries the response was YES.
[2024-03-11 23:04:01,158 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 25592 conditions, 8629 events. 3769/8629 cut-off events. For 11144/11182 co-relation queries the response was YES. Maximal size of possible extension queue 376. Compared 76562 event pairs, 775 based on Foata normal form. 2736/11061 useless extension candidates. Maximal degree in co-relation 25577. Up to 5774 conditions per place. 
[2024-03-11 23:04:01,174 INFO  L137   encePairwiseOnDemand]: 273/281 looper letters, 53 selfloop transitions, 10 changer transitions 0/77 dead transitions.
[2024-03-11 23:04:01,174 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 77 transitions, 527 flow
[2024-03-11 23:04:01,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:04:01,175 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:04:01,176 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions.
[2024-03-11 23:04:01,176 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5492289442467378
[2024-03-11 23:04:01,176 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 463 transitions.
[2024-03-11 23:04:01,176 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 463 transitions.
[2024-03-11 23:04:01,177 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:04:01,177 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 463 transitions.
[2024-03-11 23:04:01,178 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:01,178 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:01,179 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:01,179 INFO  L175             Difference]: Start difference. First operand has 68 places, 77 transitions, 466 flow. Second operand 3 states and 463 transitions.
[2024-03-11 23:04:01,179 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 77 transitions, 527 flow
[2024-03-11 23:04:01,204 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 77 transitions, 513 flow, removed 2 selfloop flow, removed 2 redundant places.
[2024-03-11 23:04:01,205 INFO  L231             Difference]: Finished difference. Result has 68 places, 60 transitions, 308 flow
[2024-03-11 23:04:01,205 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=68, PETRI_TRANSITIONS=60}
[2024-03-11 23:04:01,206 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 14 predicate places.
[2024-03-11 23:04:01,206 INFO  L495      AbstractCegarLoop]: Abstraction has has 68 places, 60 transitions, 308 flow
[2024-03-11 23:04:01,206 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 141.0) internal successors, (423), 3 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:01,206 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:04:01,206 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:04:01,206 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-03-11 23:04:01,206 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:04:01,207 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:04:01,207 INFO  L85        PathProgramCache]: Analyzing trace with hash 120637837, now seen corresponding path program 1 times
[2024-03-11 23:04:01,207 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:04:01,207 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130042848]
[2024-03-11 23:04:01,207 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:04:01,207 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:04:01,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:04:01,233 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2024-03-11 23:04:01,233 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:04:01,233 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130042848]
[2024-03-11 23:04:01,233 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130042848] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:04:01,234 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:04:01,234 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:04:01,234 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690700502]
[2024-03-11 23:04:01,234 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:04:01,234 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:04:01,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:04:01,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:04:01,234 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:04:01,256 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 137 out of 281
[2024-03-11 23:04:01,257 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 60 transitions, 308 flow. Second operand  has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:01,257 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:04:01,257 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 281
[2024-03-11 23:04:01,257 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:04:02,045 INFO  L130       PetriNetUnfolder]: 4051/9268 cut-off events.
[2024-03-11 23:04:02,045 INFO  L131       PetriNetUnfolder]: For 11567/11609 co-relation queries the response was YES.
[2024-03-11 23:04:02,058 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 28802 conditions, 9268 events. 4051/9268 cut-off events. For 11567/11609 co-relation queries the response was YES. Maximal size of possible extension queue 383. Compared 80938 event pairs, 3009 based on Foata normal form. 0/9036 useless extension candidates. Maximal degree in co-relation 28787. Up to 7373 conditions per place. 
[2024-03-11 23:04:02,073 INFO  L137   encePairwiseOnDemand]: 276/281 looper letters, 61 selfloop transitions, 5 changer transitions 0/75 dead transitions.
[2024-03-11 23:04:02,073 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 75 transitions, 518 flow
[2024-03-11 23:04:02,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-03-11 23:04:02,073 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-03-11 23:04:02,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions.
[2024-03-11 23:04:02,074 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5480427046263345
[2024-03-11 23:04:02,075 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 462 transitions.
[2024-03-11 23:04:02,075 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 462 transitions.
[2024-03-11 23:04:02,075 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:04:02,075 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 462 transitions.
[2024-03-11 23:04:02,076 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 154.0) internal successors, (462), 3 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:02,077 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:02,077 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 281.0) internal successors, (1124), 4 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:02,077 INFO  L175             Difference]: Start difference. First operand has 68 places, 60 transitions, 308 flow. Second operand 3 states and 462 transitions.
[2024-03-11 23:04:02,077 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 75 transitions, 518 flow
[2024-03-11 23:04:02,088 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 75 transitions, 507 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-03-11 23:04:02,089 INFO  L231             Difference]: Finished difference. Result has 71 places, 63 transitions, 341 flow
[2024-03-11 23:04:02,089 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=281, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=71, PETRI_TRANSITIONS=63}
[2024-03-11 23:04:02,089 INFO  L288   CegarLoopForPetriNet]: 54 programPoint places, 17 predicate places.
[2024-03-11 23:04:02,089 INFO  L495      AbstractCegarLoop]: Abstraction has has 71 places, 63 transitions, 341 flow
[2024-03-11 23:04:02,090 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 140.33333333333334) internal successors, (421), 3 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:02,090 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:04:02,090 INFO  L209   CegarLoopForPetriNet]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:04:02,090 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-03-11 23:04:02,090 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 8 more)] ===
[2024-03-11 23:04:02,090 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:04:02,090 INFO  L85        PathProgramCache]: Analyzing trace with hash 1686331618, now seen corresponding path program 1 times
[2024-03-11 23:04:02,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:04:02,090 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481136467]
[2024-03-11 23:04:02,090 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:04:02,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:04:02,114 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:04:02,115 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-03-11 23:04:02,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-03-11 23:04:02,131 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-03-11 23:04:02,131 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-03-11 23:04:02,131 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining)
[2024-03-11 23:04:02,131 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining)
[2024-03-11 23:04:02,131 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining)
[2024-03-11 23:04:02,131 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining)
[2024-03-11 23:04:02,131 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining)
[2024-03-11 23:04:02,132 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining)
[2024-03-11 23:04:02,132 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-03-11 23:04:02,132 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-03-11 23:04:02,132 WARN  L233   ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-03-11 23:04:02,133 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances.
[2024-03-11 23:04:02,147 INFO  L144    ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions.
[2024-03-11 23:04:02,148 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,287 INFO  L130       PetriNetUnfolder]: 93/1577 cut-off events.
[2024-03-11 23:04:02,287 INFO  L131       PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2024-03-11 23:04:02,292 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1688 conditions, 1577 events. 93/1577 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8159 event pairs, 23 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 899. Up to 80 conditions per place. 
[2024-03-11 23:04:02,292 INFO  L82        GeneralOperation]: Start removeDead. Operand has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,295 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,295 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-03-11 23:04:02,295 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,296 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,296 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 176 places, 173 transitions, 406 flow
[2024-03-11 23:04:02,425 INFO  L130       PetriNetUnfolder]: 93/1577 cut-off events.
[2024-03-11 23:04:02,426 INFO  L131       PetriNetUnfolder]: For 110/110 co-relation queries the response was YES.
[2024-03-11 23:04:02,431 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1688 conditions, 1577 events. 93/1577 cut-off events. For 110/110 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 8159 event pairs, 23 based on Foata normal form. 0/1361 useless extension candidates. Maximal degree in co-relation 899. Up to 80 conditions per place. 
[2024-03-11 23:04:02,447 INFO  L119        LiptonReduction]: Number of co-enabled transitions 13300
[2024-03-11 23:04:06,518 INFO  L134        LiptonReduction]: Checked pairs total: 32201
[2024-03-11 23:04:06,518 INFO  L136        LiptonReduction]: Total number of compositions: 130
[2024-03-11 23:04:06,520 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-03-11 23:04:06,520 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e0c137b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-03-11 23:04:06,520 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-03-11 23:04:06,521 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2024-03-11 23:04:06,521 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-03-11 23:04:06,521 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:04:06,521 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2024-03-11 23:04:06,521 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-03-11 23:04:06,521 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:04:06,522 INFO  L85        PathProgramCache]: Analyzing trace with hash 48735, now seen corresponding path program 1 times
[2024-03-11 23:04:06,522 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:04:06,522 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351121361]
[2024-03-11 23:04:06,522 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:04:06,522 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:04:06,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:04:06,528 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:04:06,528 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:04:06,529 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351121361]
[2024-03-11 23:04:06,529 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351121361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:04:06,529 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:04:06,529 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-03-11 23:04:06,529 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148354517]
[2024-03-11 23:04:06,529 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:04:06,529 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-03-11 23:04:06,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:04:06,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-03-11 23:04:06,530 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-03-11 23:04:06,530 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 160 out of 303
[2024-03-11 23:04:06,530 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 57 transitions, 174 flow. Second operand  has 2 states, 2 states have (on average 161.0) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:06,530 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:04:06,530 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 303
[2024-03-11 23:04:06,530 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-03-11 23:04:29,299 INFO  L130       PetriNetUnfolder]: 269440/382341 cut-off events.
[2024-03-11 23:04:29,300 INFO  L131       PetriNetUnfolder]: For 43853/43853 co-relation queries the response was YES.
[2024-03-11 23:04:29,869 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 748740 conditions, 382341 events. 269440/382341 cut-off events. For 43853/43853 co-relation queries the response was YES. Maximal size of possible extension queue 9089. Compared 3056337 event pairs, 267039 based on Foata normal form. 0/359760 useless extension candidates. Maximal degree in co-relation 110759. Up to 345868 conditions per place. 
[2024-03-11 23:04:31,121 INFO  L137   encePairwiseOnDemand]: 299/303 looper letters, 41 selfloop transitions, 0 changer transitions 0/53 dead transitions.
[2024-03-11 23:04:31,121 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 53 transitions, 248 flow
[2024-03-11 23:04:31,122 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-03-11 23:04:31,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-03-11 23:04:31,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 365 transitions.
[2024-03-11 23:04:31,123 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6023102310231023
[2024-03-11 23:04:31,123 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 365 transitions.
[2024-03-11 23:04:31,123 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 365 transitions.
[2024-03-11 23:04:31,123 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-03-11 23:04:31,123 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 365 transitions.
[2024-03-11 23:04:31,124 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 182.5) internal successors, (365), 2 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:31,125 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:31,125 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 303.0) internal successors, (909), 3 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:31,125 INFO  L175             Difference]: Start difference. First operand has 63 places, 57 transitions, 174 flow. Second operand 2 states and 365 transitions.
[2024-03-11 23:04:31,125 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 53 transitions, 248 flow
[2024-03-11 23:04:31,127 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 53 transitions, 248 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-03-11 23:04:31,128 INFO  L231             Difference]: Finished difference. Result has 60 places, 53 transitions, 166 flow
[2024-03-11 23:04:31,128 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=303, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=60, PETRI_TRANSITIONS=53}
[2024-03-11 23:04:31,128 INFO  L288   CegarLoopForPetriNet]: 63 programPoint places, -3 predicate places.
[2024-03-11 23:04:31,128 INFO  L495      AbstractCegarLoop]: Abstraction has has 60 places, 53 transitions, 166 flow
[2024-03-11 23:04:31,128 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 161.0) internal successors, (322), 2 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:31,128 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-03-11 23:04:31,128 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-03-11 23:04:31,128 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23
[2024-03-11 23:04:31,129 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-03-11 23:04:31,129 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-03-11 23:04:31,129 INFO  L85        PathProgramCache]: Analyzing trace with hash 46825841, now seen corresponding path program 1 times
[2024-03-11 23:04:31,129 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-03-11 23:04:31,129 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429147177]
[2024-03-11 23:04:31,129 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-03-11 23:04:31,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-03-11 23:04:31,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-03-11 23:04:31,146 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-03-11 23:04:31,146 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-03-11 23:04:31,146 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429147177]
[2024-03-11 23:04:31,146 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429147177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-03-11 23:04:31,146 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-03-11 23:04:31,146 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-03-11 23:04:31,146 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377702628]
[2024-03-11 23:04:31,146 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-03-11 23:04:31,147 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-03-11 23:04:31,147 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-03-11 23:04:31,147 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-03-11 23:04:31,147 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-03-11 23:04:31,172 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 152 out of 303
[2024-03-11 23:04:31,173 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 53 transitions, 166 flow. Second operand  has 3 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-03-11 23:04:31,173 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-03-11 23:04:31,173 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 303
[2024-03-11 23:04:31,173 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
