./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-local-value.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-local-value.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 1f0c3c9715b2a4e8b4ba7f68d625e0373bca387a3621e19de4956687f25c8206
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2023-11-01 18:44:41,052 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-11-01 18:44:41,054 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-11-01 18:44:41,081 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-11-01 18:44:41,082 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-11-01 18:44:41,083 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-11-01 18:44:41,084 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-11-01 18:44:41,086 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-11-01 18:44:41,087 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-11-01 18:44:41,088 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2023-11-01 18:44:41,089 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2023-11-01 18:44:41,090 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2023-11-01 18:44:41,090 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-11-01 18:44:41,091 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-11-01 18:44:41,092 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-11-01 18:44:41,092 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-11-01 18:44:41,093 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-11-01 18:44:41,094 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-11-01 18:44:41,095 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-11-01 18:44:41,096 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-11-01 18:44:41,097 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-11-01 18:44:41,098 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-11-01 18:44:41,099 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-11-01 18:44:41,099 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-11-01 18:44:41,102 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-11-01 18:44:41,102 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-11-01 18:44:41,102 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-11-01 18:44:41,103 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-11-01 18:44:41,103 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-11-01 18:44:41,103 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-11-01 18:44:41,104 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-11-01 18:44:41,104 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-11-01 18:44:41,105 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-11-01 18:44:41,105 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-11-01 18:44:41,106 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-11-01 18:44:41,106 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-11-01 18:44:41,106 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-11-01 18:44:41,106 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-11-01 18:44:41,106 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-11-01 18:44:41,107 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-11-01 18:44:41,107 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-11-01 18:44:41,108 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2023-11-01 18:44:41,124 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-11-01 18:44:41,124 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-01 18:44:41,124 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-01 18:44:41,139 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-01 18:44:41,140 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-01 18:44:41,141 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-01 18:44:41,142 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-01 18:44:41,142 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-01 18:44:41,143 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-11-01 18:44:41,143 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-01 18:44:41,143 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-11-01 18:44:41,144 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2023-11-01 18:44:41,144 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-01 18:44:41,145 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-11-01 18:44:41,145 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-01 18:44:41,146 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-01 18:44:41,146 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-01 18:44:41,146 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-01 18:44:41,146 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2023-11-01 18:44:41,147 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-11-01 18:44:41,147 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-01 18:44:41,147 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-11-01 18:44:41,147 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-01 18:44:41,147 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-01 18:44:41,148 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-01 18:44:41,148 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-01 18:44:41,148 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-01 18:44:41,148 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-01 18:44:41,148 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-01 18:44:41,149 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-11-01 18:44:41,149 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-01 18:44:41,149 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-01 18:44:41,149 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-01 18:44:41,149 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-01 18:44:41,150 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-01 18:44:41,150 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-01 18:44:41,150 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-01 18:44:41,150 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 -> 1f0c3c9715b2a4e8b4ba7f68d625e0373bca387a3621e19de4956687f25c8206
[2023-11-01 18:44:41,345 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-01 18:44:41,365 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-01 18:44:41,367 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-01 18:44:41,368 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-11-01 18:44:41,369 INFO  L275        PluginConnector]: CDTParser initialized
[2023-11-01 18:44:41,370 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i
[2023-11-01 18:44:42,318 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2023-11-01 18:44:42,608 INFO  L351              CDTParser]: Found 1 translation units.
[2023-11-01 18:44:42,608 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i
[2023-11-01 18:44:42,618 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/dcdb583c2/aff1bf9713484dacb3eb055053e36e4e/FLAG585c46637
[2023-11-01 18:44:42,973 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/dcdb583c2/aff1bf9713484dacb3eb055053e36e4e
[2023-11-01 18:44:42,975 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-01 18:44:42,976 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-01 18:44:42,977 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-01 18:44:42,977 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-01 18:44:42,980 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-01 18:44:42,981 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:44:42" (1/1) ...
[2023-11-01 18:44:42,982 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b829ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:42, skipping insertion in model container
[2023-11-01 18:44:42,982 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:44:42" (1/1) ...
[2023-11-01 18:44:42,988 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-11-01 18:44:43,024 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-11-01 18:44:43,153 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-01 18:44:43,273 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i[47865,47878]
[2023-11-01 18:44:43,288 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-01 18:44:43,294 INFO  L203         MainTranslator]: Completed pre-run
[2023-11-01 18:44:43,304 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-11-01 18:44:43,323 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-local-value.i[47865,47878]
[2023-11-01 18:44:43,329 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-11-01 18:44:43,365 INFO  L208         MainTranslator]: Completed translation
[2023-11-01 18:44:43,365 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43 WrapperNode
[2023-11-01 18:44:43,365 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-01 18:44:43,366 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-01 18:44:43,366 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-01 18:44:43,366 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-01 18:44:43,372 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,386 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,406 INFO  L138                Inliner]: procedures = 273, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 114
[2023-11-01 18:44:43,406 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-01 18:44:43,407 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-01 18:44:43,407 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-01 18:44:43,407 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-11-01 18:44:43,414 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,414 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,418 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,418 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,425 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,428 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,430 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,431 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,434 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-01 18:44:43,435 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-01 18:44:43,435 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-11-01 18:44:43,435 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-11-01 18:44:43,436 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (1/1) ...
[2023-11-01 18:44:43,441 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-01 18:44:43,450 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2023-11-01 18:44:43,462 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)
[2023-11-01 18:44:43,465 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
[2023-11-01 18:44:43,492 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-01 18:44:43,492 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-01 18:44:43,493 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-01 18:44:43,493 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-11-01 18:44:43,493 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-01 18:44:43,493 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-01 18:44:43,493 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-01 18:44:43,494 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-01 18:44:43,494 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-01 18:44:43,494 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2023-11-01 18:44:43,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2023-11-01 18:44:43,494 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-01 18:44:43,494 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-01 18:44:43,495 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-11-01 18:44:43,626 INFO  L235             CfgBuilder]: Building ICFG
[2023-11-01 18:44:43,627 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-01 18:44:43,839 INFO  L276             CfgBuilder]: Performing block encoding
[2023-11-01 18:44:43,845 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-01 18:44:43,846 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-01 18:44:43,847 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:44:43 BoogieIcfgContainer
[2023-11-01 18:44:43,847 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-01 18:44:43,849 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-01 18:44:43,849 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-11-01 18:44:43,851 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-11-01 18:44:43,852 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:44:42" (1/3) ...
[2023-11-01 18:44:43,852 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a97b38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:44:43, skipping insertion in model container
[2023-11-01 18:44:43,852 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:44:43" (2/3) ...
[2023-11-01 18:44:43,852 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a97b38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:44:43, skipping insertion in model container
[2023-11-01 18:44:43,853 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:44:43" (3/3) ...
[2023-11-01 18:44:43,854 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-local-value.i
[2023-11-01 18:44:43,860 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-01 18:44:43,868 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-01 18:44:43,868 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-11-01 18:44:43,869 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-01 18:44:43,912 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-01 18:44:43,939 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,038 INFO  L130       PetriNetUnfolder]: 9/180 cut-off events.
[2023-11-01 18:44:44,038 INFO  L131       PetriNetUnfolder]: For 1/2 co-relation queries the response was YES.
[2023-11-01 18:44:44,043 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 186 conditions, 180 events. 9/180 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 363 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. 
[2023-11-01 18:44:44,044 INFO  L82        GeneralOperation]: Start removeDead. Operand has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,047 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,050 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-01 18:44:44,058 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,060 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,060 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 130 places, 134 transitions, 276 flow
[2023-11-01 18:44:44,090 INFO  L130       PetriNetUnfolder]: 9/180 cut-off events.
[2023-11-01 18:44:44,090 INFO  L131       PetriNetUnfolder]: For 1/2 co-relation queries the response was YES.
[2023-11-01 18:44:44,091 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 186 conditions, 180 events. 9/180 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 363 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 97. Up to 4 conditions per place. 
[2023-11-01 18:44:44,094 INFO  L119        LiptonReduction]: Number of co-enabled transitions 4770
[2023-11-01 18:44:48,367 INFO  L134        LiptonReduction]: Checked pairs total: 4177
[2023-11-01 18:44:48,367 INFO  L136        LiptonReduction]: Total number of compositions: 152
[2023-11-01 18:44:48,378 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-01 18:44:48,383 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;@57f10e33, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-01 18:44:48,384 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2023-11-01 18:44:48,385 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2023-11-01 18:44:48,385 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-01 18:44:48,385 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:48,386 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-01 18:44:48,386 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-01 18:44:48,390 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:48,390 INFO  L85        PathProgramCache]: Analyzing trace with hash 17078, now seen corresponding path program 1 times
[2023-11-01 18:44:48,396 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:48,396 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209059820]
[2023-11-01 18:44:48,396 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:48,397 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:48,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:44:48,512 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:44:48,513 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:44:48,513 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209059820]
[2023-11-01 18:44:48,514 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209059820] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:44:48,514 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:44:48,514 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-01 18:44:48,515 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340695610]
[2023-11-01 18:44:48,516 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:44:48,523 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-01 18:44:48,523 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:44:48,538 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-01 18:44:48,539 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-01 18:44:48,541 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 123 out of 286
[2023-11-01 18:44:48,543 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 21 places, 19 transitions, 46 flow. Second operand  has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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)
[2023-11-01 18:44:48,543 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:44:48,543 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 286
[2023-11-01 18:44:48,544 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:44:48,589 INFO  L130       PetriNetUnfolder]: 6/25 cut-off events.
[2023-11-01 18:44:48,589 INFO  L131       PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2023-11-01 18:44:48,589 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 56 conditions, 25 events. 6/25 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 46 event pairs, 5 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 32. Up to 25 conditions per place. 
[2023-11-01 18:44:48,590 INFO  L137   encePairwiseOnDemand]: 278/286 looper letters, 5 selfloop transitions, 0 changer transitions 5/11 dead transitions.
[2023-11-01 18:44:48,590 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 50 flow
[2023-11-01 18:44:48,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-01 18:44:48,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-01 18:44:48,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 264 transitions.
[2023-11-01 18:44:48,601 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.46153846153846156
[2023-11-01 18:44:48,601 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 264 transitions.
[2023-11-01 18:44:48,602 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 264 transitions.
[2023-11-01 18:44:48,603 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:44:48,604 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 264 transitions.
[2023-11-01 18:44:48,606 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 132.0) internal successors, (264), 2 states have internal predecessors, (264), 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)
[2023-11-01 18:44:48,610 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 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)
[2023-11-01 18:44:48,611 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 286.0) internal successors, (858), 3 states have internal predecessors, (858), 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)
[2023-11-01 18:44:48,612 INFO  L175             Difference]: Start difference. First operand has 21 places, 19 transitions, 46 flow. Second operand 2 states and 264 transitions.
[2023-11-01 18:44:48,613 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 50 flow
[2023-11-01 18:44:48,614 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 11 transitions, 50 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:44:48,615 INFO  L231             Difference]: Finished difference. Result has 14 places, 6 transitions, 17 flow
[2023-11-01 18:44:48,616 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=286, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=17, PETRI_PLACES=14, PETRI_TRANSITIONS=6}
[2023-11-01 18:44:48,619 INFO  L288   CegarLoopForPetriNet]: 21 programPoint places, -7 predicate places.
[2023-11-01 18:44:48,619 INFO  L495      AbstractCegarLoop]: Abstraction has has 14 places, 6 transitions, 17 flow
[2023-11-01 18:44:48,619 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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)
[2023-11-01 18:44:48,619 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:48,620 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1]
[2023-11-01 18:44:48,620 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-01 18:44:48,620 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 10 more)] ===
[2023-11-01 18:44:48,620 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:48,621 INFO  L85        PathProgramCache]: Analyzing trace with hash -1397869519, now seen corresponding path program 1 times
[2023-11-01 18:44:48,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:48,621 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096652953]
[2023-11-01 18:44:48,621 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:48,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:48,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:44:48,667 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-01 18:44:48,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:44:48,701 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-01 18:44:48,702 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-01 18:44:48,703 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining)
[2023-11-01 18:44:48,704 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining)
[2023-11-01 18:44:48,704 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining)
[2023-11-01 18:44:48,705 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining)
[2023-11-01 18:44:48,705 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining)
[2023-11-01 18:44:48,705 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining)
[2023-11-01 18:44:48,705 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining)
[2023-11-01 18:44:48,705 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining)
[2023-11-01 18:44:48,706 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 13 remaining)
[2023-11-01 18:44:48,706 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining)
[2023-11-01 18:44:48,706 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining)
[2023-11-01 18:44:48,706 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining)
[2023-11-01 18:44:48,706 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining)
[2023-11-01 18:44:48,706 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-01 18:44:48,707 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1]
[2023-11-01 18:44:48,709 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-01 18:44:48,709 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2023-11-01 18:44:48,725 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-11-01 18:44:48,728 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,770 INFO  L130       PetriNetUnfolder]: 17/323 cut-off events.
[2023-11-01 18:44:48,770 INFO  L131       PetriNetUnfolder]: For 6/8 co-relation queries the response was YES.
[2023-11-01 18:44:48,772 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 337 conditions, 323 events. 17/323 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 852 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 182. Up to 8 conditions per place. 
[2023-11-01 18:44:48,772 INFO  L82        GeneralOperation]: Start removeDead. Operand has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,774 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,774 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-01 18:44:48,774 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,774 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,774 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 175 places, 181 transitions, 380 flow
[2023-11-01 18:44:48,801 INFO  L130       PetriNetUnfolder]: 17/323 cut-off events.
[2023-11-01 18:44:48,802 INFO  L131       PetriNetUnfolder]: For 6/8 co-relation queries the response was YES.
[2023-11-01 18:44:48,803 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 337 conditions, 323 events. 17/323 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 852 event pairs, 0 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 182. Up to 8 conditions per place. 
[2023-11-01 18:44:48,810 INFO  L119        LiptonReduction]: Number of co-enabled transitions 14760
[2023-11-01 18:44:52,747 INFO  L134        LiptonReduction]: Checked pairs total: 31780
[2023-11-01 18:44:52,747 INFO  L136        LiptonReduction]: Total number of compositions: 169
[2023-11-01 18:44:52,750 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-01 18:44:52,752 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;@57f10e33, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-01 18:44:52,752 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2023-11-01 18:44:52,753 INFO  L130       PetriNetUnfolder]: 0/2 cut-off events.
[2023-11-01 18:44:52,754 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-01 18:44:52,754 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:52,754 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-01 18:44:52,754 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-11-01 18:44:52,754 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:52,755 INFO  L85        PathProgramCache]: Analyzing trace with hash 29872, now seen corresponding path program 1 times
[2023-11-01 18:44:52,755 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:52,755 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442517548]
[2023-11-01 18:44:52,755 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:52,756 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:52,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:44:52,775 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:44:52,775 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:44:52,775 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442517548]
[2023-11-01 18:44:52,776 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442517548] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:44:52,776 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:44:52,776 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-01 18:44:52,776 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232157056]
[2023-11-01 18:44:52,776 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:44:52,776 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-01 18:44:52,776 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:44:52,777 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-01 18:44:52,777 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-01 18:44:52,778 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 162 out of 350
[2023-11-01 18:44:52,778 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 136 flow. Second operand  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2023-11-01 18:44:52,778 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:44:52,778 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 350
[2023-11-01 18:44:52,778 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:44:53,093 INFO  L130       PetriNetUnfolder]: 1576/3076 cut-off events.
[2023-11-01 18:44:53,093 INFO  L131       PetriNetUnfolder]: For 73/73 co-relation queries the response was YES.
[2023-11-01 18:44:53,096 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 5732 conditions, 3076 events. 1576/3076 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 19772 event pairs, 1562 based on Foata normal form. 310/2790 useless extension candidates. Maximal degree in co-relation 3509. Up to 2579 conditions per place. 
[2023-11-01 18:44:53,105 INFO  L137   encePairwiseOnDemand]: 341/350 looper letters, 33 selfloop transitions, 0 changer transitions 0/49 dead transitions.
[2023-11-01 18:44:53,105 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 49 transitions, 182 flow
[2023-11-01 18:44:53,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-01 18:44:53,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-01 18:44:53,108 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions.
[2023-11-01 18:44:53,109 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5228571428571429
[2023-11-01 18:44:53,109 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 366 transitions.
[2023-11-01 18:44:53,109 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 366 transitions.
[2023-11-01 18:44:53,109 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:44:53,109 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 366 transitions.
[2023-11-01 18:44:53,110 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 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)
[2023-11-01 18:44:53,112 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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)
[2023-11-01 18:44:53,113 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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)
[2023-11-01 18:44:53,113 INFO  L175             Difference]: Start difference. First operand has 57 places, 59 transitions, 136 flow. Second operand 2 states and 366 transitions.
[2023-11-01 18:44:53,113 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 49 transitions, 182 flow
[2023-11-01 18:44:53,114 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 182 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:44:53,115 INFO  L231             Difference]: Finished difference. Result has 53 places, 49 transitions, 116 flow
[2023-11-01 18:44:53,115 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=116, PETRI_PLACES=53, PETRI_TRANSITIONS=49}
[2023-11-01 18:44:53,116 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, -4 predicate places.
[2023-11-01 18:44:53,116 INFO  L495      AbstractCegarLoop]: Abstraction has has 53 places, 49 transitions, 116 flow
[2023-11-01 18:44:53,117 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 163.0) internal successors, (326), 2 states have internal predecessors, (326), 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)
[2023-11-01 18:44:53,117 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:53,117 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-01 18:44:53,117 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-01 18:44:53,117 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-11-01 18:44:53,118 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:53,118 INFO  L85        PathProgramCache]: Analyzing trace with hash 891032496, now seen corresponding path program 1 times
[2023-11-01 18:44:53,118 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:53,118 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230590418]
[2023-11-01 18:44:53,118 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:53,118 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:53,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:44:53,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:44:53,167 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:44:53,167 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230590418]
[2023-11-01 18:44:53,167 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230590418] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:44:53,167 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:44:53,167 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:44:53,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518595214]
[2023-11-01 18:44:53,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:44:53,168 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:44:53,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:44:53,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:44:53,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:44:53,201 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 142 out of 350
[2023-11-01 18:44:53,202 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 49 transitions, 116 flow. Second operand  has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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)
[2023-11-01 18:44:53,202 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:44:53,202 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 350
[2023-11-01 18:44:53,203 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:44:53,640 INFO  L130       PetriNetUnfolder]: 3094/5349 cut-off events.
[2023-11-01 18:44:53,640 INFO  L131       PetriNetUnfolder]: For 102/102 co-relation queries the response was YES.
[2023-11-01 18:44:53,645 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 10595 conditions, 5349 events. 3094/5349 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 32155 event pairs, 1127 based on Foata normal form. 0/4275 useless extension candidates. Maximal degree in co-relation 10590. Up to 4144 conditions per place. 
[2023-11-01 18:44:53,659 INFO  L137   encePairwiseOnDemand]: 330/350 looper letters, 66 selfloop transitions, 14 changer transitions 0/85 dead transitions.
[2023-11-01 18:44:53,659 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 85 transitions, 359 flow
[2023-11-01 18:44:53,660 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:44:53,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:44:53,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions.
[2023-11-01 18:44:53,661 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4876190476190476
[2023-11-01 18:44:53,661 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 512 transitions.
[2023-11-01 18:44:53,662 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions.
[2023-11-01 18:44:53,662 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:44:53,662 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions.
[2023-11-01 18:44:53,663 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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)
[2023-11-01 18:44:53,666 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-11-01 18:44:53,666 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-11-01 18:44:53,666 INFO  L175             Difference]: Start difference. First operand has 53 places, 49 transitions, 116 flow. Second operand 3 states and 512 transitions.
[2023-11-01 18:44:53,667 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 85 transitions, 359 flow
[2023-11-01 18:44:53,668 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 85 transitions, 359 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:44:53,669 INFO  L231             Difference]: Finished difference. Result has 57 places, 63 transitions, 240 flow
[2023-11-01 18:44:53,669 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=57, PETRI_TRANSITIONS=63}
[2023-11-01 18:44:53,670 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, 0 predicate places.
[2023-11-01 18:44:53,670 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 63 transitions, 240 flow
[2023-11-01 18:44:53,670 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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)
[2023-11-01 18:44:53,670 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:53,670 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:44:53,671 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-01 18:44:53,671 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-11-01 18:44:53,671 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:53,671 INFO  L85        PathProgramCache]: Analyzing trace with hash 1715655336, now seen corresponding path program 1 times
[2023-11-01 18:44:53,671 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:53,671 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66096940]
[2023-11-01 18:44:53,671 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:53,672 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:53,684 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:44:53,707 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:44:53,707 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:44:53,707 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66096940]
[2023-11-01 18:44:53,707 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66096940] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:44:53,708 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:44:53,708 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:44:53,708 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022879102]
[2023-11-01 18:44:53,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:44:53,708 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:44:53,708 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:44:53,709 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:44:53,709 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:44:53,737 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 150 out of 350
[2023-11-01 18:44:53,738 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 63 transitions, 240 flow. Second operand  has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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)
[2023-11-01 18:44:53,738 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:44:53,738 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 350
[2023-11-01 18:44:53,738 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:44:54,162 INFO  L130       PetriNetUnfolder]: 3138/5421 cut-off events.
[2023-11-01 18:44:54,162 INFO  L131       PetriNetUnfolder]: For 1361/1397 co-relation queries the response was YES.
[2023-11-01 18:44:54,167 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 13025 conditions, 5421 events. 3138/5421 cut-off events. For 1361/1397 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 32646 event pairs, 2442 based on Foata normal form. 18/4345 useless extension candidates. Maximal degree in co-relation 13018. Up to 4857 conditions per place. 
[2023-11-01 18:44:54,182 INFO  L137   encePairwiseOnDemand]: 343/350 looper letters, 64 selfloop transitions, 9 changer transitions 2/87 dead transitions.
[2023-11-01 18:44:54,182 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 87 transitions, 478 flow
[2023-11-01 18:44:54,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:44:54,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:44:54,184 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 511 transitions.
[2023-11-01 18:44:54,184 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4866666666666667
[2023-11-01 18:44:54,184 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 511 transitions.
[2023-11-01 18:44:54,184 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 511 transitions.
[2023-11-01 18:44:54,185 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:44:54,185 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 511 transitions.
[2023-11-01 18:44:54,186 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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)
[2023-11-01 18:44:54,187 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-11-01 18:44:54,188 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 350.0) internal successors, (1400), 4 states have internal predecessors, (1400), 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)
[2023-11-01 18:44:54,188 INFO  L175             Difference]: Start difference. First operand has 57 places, 63 transitions, 240 flow. Second operand 3 states and 511 transitions.
[2023-11-01 18:44:54,188 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 87 transitions, 478 flow
[2023-11-01 18:44:54,195 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 87 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-01 18:44:54,196 INFO  L231             Difference]: Finished difference. Result has 58 places, 70 transitions, 281 flow
[2023-11-01 18:44:54,197 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=350, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=281, PETRI_PLACES=58, PETRI_TRANSITIONS=70}
[2023-11-01 18:44:54,197 INFO  L288   CegarLoopForPetriNet]: 57 programPoint places, 1 predicate places.
[2023-11-01 18:44:54,197 INFO  L495      AbstractCegarLoop]: Abstraction has has 58 places, 70 transitions, 281 flow
[2023-11-01 18:44:54,198 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 153.0) internal successors, (459), 3 states have internal predecessors, (459), 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)
[2023-11-01 18:44:54,198 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:54,198 INFO  L209   CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1]
[2023-11-01 18:44:54,198 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-01 18:44:54,198 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 14 more)] ===
[2023-11-01 18:44:54,198 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:54,198 INFO  L85        PathProgramCache]: Analyzing trace with hash -891123475, now seen corresponding path program 1 times
[2023-11-01 18:44:54,198 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:54,199 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299303260]
[2023-11-01 18:44:54,199 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:54,199 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:54,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:44:54,224 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-01 18:44:54,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:44:54,242 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-01 18:44:54,242 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-01 18:44:54,242 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining)
[2023-11-01 18:44:54,242 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining)
[2023-11-01 18:44:54,242 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining)
[2023-11-01 18:44:54,243 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining)
[2023-11-01 18:44:54,244 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining)
[2023-11-01 18:44:54,244 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-01 18:44:54,244 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2023-11-01 18:44:54,245 WARN  L233   ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2023-11-01 18:44:54,245 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2023-11-01 18:44:54,261 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-01 18:44:54,264 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,324 INFO  L130       PetriNetUnfolder]: 30/545 cut-off events.
[2023-11-01 18:44:54,324 INFO  L131       PetriNetUnfolder]: For 19/22 co-relation queries the response was YES.
[2023-11-01 18:44:54,326 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 573 conditions, 545 events. 30/545 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1807 event pairs, 1 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 331. Up to 16 conditions per place. 
[2023-11-01 18:44:54,326 INFO  L82        GeneralOperation]: Start removeDead. Operand has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,329 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,329 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-11-01 18:44:54,330 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,330 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,330 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 220 places, 228 transitions, 486 flow
[2023-11-01 18:44:54,373 INFO  L130       PetriNetUnfolder]: 30/545 cut-off events.
[2023-11-01 18:44:54,373 INFO  L131       PetriNetUnfolder]: For 19/22 co-relation queries the response was YES.
[2023-11-01 18:44:54,375 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 573 conditions, 545 events. 30/545 cut-off events. For 19/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1807 event pairs, 1 based on Foata normal form. 0/471 useless extension candidates. Maximal degree in co-relation 331. Up to 16 conditions per place. 
[2023-11-01 18:44:54,391 INFO  L119        LiptonReduction]: Number of co-enabled transitions 28620
[2023-11-01 18:44:59,128 INFO  L134        LiptonReduction]: Checked pairs total: 69159
[2023-11-01 18:44:59,129 INFO  L136        LiptonReduction]: Total number of compositions: 207
[2023-11-01 18:44:59,130 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-01 18:44:59,131 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;@57f10e33, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-01 18:44:59,131 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2023-11-01 18:44:59,132 INFO  L130       PetriNetUnfolder]: 0/3 cut-off events.
[2023-11-01 18:44:59,132 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2023-11-01 18:44:59,132 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:44:59,133 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1]
[2023-11-01 18:44:59,133 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-11-01 18:44:59,133 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:44:59,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 45270, now seen corresponding path program 1 times
[2023-11-01 18:44:59,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:44:59,133 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964535100]
[2023-11-01 18:44:59,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:44:59,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:44:59,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:44:59,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:44:59,144 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:44:59,144 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964535100]
[2023-11-01 18:44:59,144 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964535100] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:44:59,144 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:44:59,144 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-01 18:44:59,145 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579774409]
[2023-11-01 18:44:59,145 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:44:59,145 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-01 18:44:59,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:44:59,145 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-01 18:44:59,145 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-01 18:44:59,146 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 201 out of 435
[2023-11-01 18:44:59,146 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 192 flow. Second operand  has 2 states, 2 states have (on average 202.0) internal successors, (404), 2 states have internal predecessors, (404), 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)
[2023-11-01 18:44:59,146 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:44:59,147 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 435
[2023-11-01 18:44:59,147 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:45:01,586 INFO  L130       PetriNetUnfolder]: 23953/39373 cut-off events.
[2023-11-01 18:45:01,586 INFO  L131       PetriNetUnfolder]: For 1592/1592 co-relation queries the response was YES.
[2023-11-01 18:45:01,624 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 74350 conditions, 39373 events. 23953/39373 cut-off events. For 1592/1592 co-relation queries the response was YES. Maximal size of possible extension queue 1157. Compared 318318 event pairs, 23784 based on Foata normal form. 4222/35144 useless extension candidates. Maximal degree in co-relation 24724. Up to 33889 conditions per place. 
[2023-11-01 18:45:01,758 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 43 selfloop transitions, 0 changer transitions 0/68 dead transitions.
[2023-11-01 18:45:01,758 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 68 transitions, 252 flow
[2023-11-01 18:45:01,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-01 18:45:01,759 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-11-01 18:45:01,760 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 457 transitions.
[2023-11-01 18:45:01,760 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5252873563218391
[2023-11-01 18:45:01,760 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 457 transitions.
[2023-11-01 18:45:01,760 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 457 transitions.
[2023-11-01 18:45:01,761 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:45:01,761 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 457 transitions.
[2023-11-01 18:45:01,762 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 228.5) internal successors, (457), 2 states have internal predecessors, (457), 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)
[2023-11-01 18:45:01,763 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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)
[2023-11-01 18:45:01,764 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 435.0) internal successors, (1305), 3 states have internal predecessors, (1305), 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)
[2023-11-01 18:45:01,764 INFO  L175             Difference]: Start difference. First operand has 77 places, 81 transitions, 192 flow. Second operand 2 states and 457 transitions.
[2023-11-01 18:45:01,764 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 68 transitions, 252 flow
[2023-11-01 18:45:01,765 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 68 transitions, 252 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:45:01,766 INFO  L231             Difference]: Finished difference. Result has 73 places, 68 transitions, 166 flow
[2023-11-01 18:45:01,766 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=166, PETRI_PLACES=73, PETRI_TRANSITIONS=68}
[2023-11-01 18:45:01,767 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, -4 predicate places.
[2023-11-01 18:45:01,767 INFO  L495      AbstractCegarLoop]: Abstraction has has 73 places, 68 transitions, 166 flow
[2023-11-01 18:45:01,767 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 202.0) internal successors, (404), 2 states have internal predecessors, (404), 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)
[2023-11-01 18:45:01,768 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:45:01,768 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-11-01 18:45:01,768 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-01 18:45:01,768 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-11-01 18:45:01,768 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:45:01,768 INFO  L85        PathProgramCache]: Analyzing trace with hash 1349777183, now seen corresponding path program 1 times
[2023-11-01 18:45:01,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:45:01,768 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738525759]
[2023-11-01 18:45:01,769 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:45:01,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:45:01,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:45:01,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:45:01,798 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:45:01,798 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738525759]
[2023-11-01 18:45:01,798 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738525759] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:45:01,798 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:45:01,798 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:45:01,798 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651025854]
[2023-11-01 18:45:01,799 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:45:01,799 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:45:01,799 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:45:01,800 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:45:01,800 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:45:01,844 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 171 out of 435
[2023-11-01 18:45:01,845 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 68 transitions, 166 flow. Second operand  has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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)
[2023-11-01 18:45:01,845 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:45:01,845 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 435
[2023-11-01 18:45:01,846 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:45:07,532 INFO  L130       PetriNetUnfolder]: 65469/102408 cut-off events.
[2023-11-01 18:45:07,532 INFO  L131       PetriNetUnfolder]: For 3105/3105 co-relation queries the response was YES.
[2023-11-01 18:45:07,672 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 200050 conditions, 102408 events. 65469/102408 cut-off events. For 3105/3105 co-relation queries the response was YES. Maximal size of possible extension queue 2625. Compared 832379 event pairs, 31491 based on Foata normal form. 0/80841 useless extension candidates. Maximal degree in co-relation 200044. Up to 81861 conditions per place. 
[2023-11-01 18:45:08,027 INFO  L137   encePairwiseOnDemand]: 405/435 looper letters, 84 selfloop transitions, 21 changer transitions 0/115 dead transitions.
[2023-11-01 18:45:08,027 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 115 transitions, 491 flow
[2023-11-01 18:45:08,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:45:08,028 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:45:08,029 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions.
[2023-11-01 18:45:08,030 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.4804597701149425
[2023-11-01 18:45:08,030 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 627 transitions.
[2023-11-01 18:45:08,030 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions.
[2023-11-01 18:45:08,030 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:45:08,030 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions.
[2023-11-01 18:45:08,032 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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)
[2023-11-01 18:45:08,034 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:08,034 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:08,035 INFO  L175             Difference]: Start difference. First operand has 73 places, 68 transitions, 166 flow. Second operand 3 states and 627 transitions.
[2023-11-01 18:45:08,035 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 115 transitions, 491 flow
[2023-11-01 18:45:08,037 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 115 transitions, 491 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-11-01 18:45:08,038 INFO  L231             Difference]: Finished difference. Result has 77 places, 89 transitions, 352 flow
[2023-11-01 18:45:08,038 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=77, PETRI_TRANSITIONS=89}
[2023-11-01 18:45:08,039 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 0 predicate places.
[2023-11-01 18:45:08,039 INFO  L495      AbstractCegarLoop]: Abstraction has has 77 places, 89 transitions, 352 flow
[2023-11-01 18:45:08,039 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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)
[2023-11-01 18:45:08,040 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:45:08,040 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:45:08,040 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-01 18:45:08,040 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-11-01 18:45:08,040 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:45:08,040 INFO  L85        PathProgramCache]: Analyzing trace with hash 2078180305, now seen corresponding path program 1 times
[2023-11-01 18:45:08,040 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:45:08,041 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488407409]
[2023-11-01 18:45:08,041 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:45:08,041 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:45:08,051 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:45:08,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-01 18:45:08,071 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:45:08,071 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488407409]
[2023-11-01 18:45:08,071 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488407409] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:45:08,071 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:45:08,071 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:45:08,071 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206887171]
[2023-11-01 18:45:08,072 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:45:08,072 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:45:08,072 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:45:08,072 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:45:08,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:45:08,121 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 185 out of 435
[2023-11-01 18:45:08,122 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 89 transitions, 352 flow. Second operand  has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-11-01 18:45:08,122 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:45:08,122 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 435
[2023-11-01 18:45:08,122 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:45:15,477 INFO  L130       PetriNetUnfolder]: 76511/118481 cut-off events.
[2023-11-01 18:45:15,477 INFO  L131       PetriNetUnfolder]: For 46787/47988 co-relation queries the response was YES.
[2023-11-01 18:45:15,678 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 293084 conditions, 118481 events. 76511/118481 cut-off events. For 46787/47988 co-relation queries the response was YES. Maximal size of possible extension queue 3083. Compared 970986 event pairs, 51857 based on Foata normal form. 54/95470 useless extension candidates. Maximal degree in co-relation 293076. Up to 91856 conditions per place. 
[2023-11-01 18:45:16,026 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 90 selfloop transitions, 21 changer transitions 0/136 dead transitions.
[2023-11-01 18:45:16,026 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 136 transitions, 764 flow
[2023-11-01 18:45:16,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:45:16,027 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:45:16,028 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions.
[2023-11-01 18:45:16,029 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.48812260536398466
[2023-11-01 18:45:16,029 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 637 transitions.
[2023-11-01 18:45:16,029 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 637 transitions.
[2023-11-01 18:45:16,029 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:45:16,029 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 637 transitions.
[2023-11-01 18:45:16,030 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 212.33333333333334) internal successors, (637), 3 states have internal predecessors, (637), 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)
[2023-11-01 18:45:16,032 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:16,033 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:16,033 INFO  L175             Difference]: Start difference. First operand has 77 places, 89 transitions, 352 flow. Second operand 3 states and 637 transitions.
[2023-11-01 18:45:16,033 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 136 transitions, 764 flow
[2023-11-01 18:45:16,231 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 136 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-01 18:45:16,233 INFO  L231             Difference]: Finished difference. Result has 79 places, 108 transitions, 508 flow
[2023-11-01 18:45:16,234 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=79, PETRI_TRANSITIONS=108}
[2023-11-01 18:45:16,234 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 2 predicate places.
[2023-11-01 18:45:16,234 INFO  L495      AbstractCegarLoop]: Abstraction has has 79 places, 108 transitions, 508 flow
[2023-11-01 18:45:16,235 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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)
[2023-11-01 18:45:16,235 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:45:16,235 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:45:16,235 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-01 18:45:16,235 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-11-01 18:45:16,236 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:45:16,236 INFO  L85        PathProgramCache]: Analyzing trace with hash 156438990, now seen corresponding path program 1 times
[2023-11-01 18:45:16,236 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:45:16,236 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074308943]
[2023-11-01 18:45:16,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:45:16,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:45:16,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-01 18:45:16,270 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-01 18:45:16,270 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-01 18:45:16,270 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074308943]
[2023-11-01 18:45:16,271 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074308943] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-01 18:45:16,271 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-01 18:45:16,271 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-01 18:45:16,271 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567578920]
[2023-11-01 18:45:16,271 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-01 18:45:16,271 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-01 18:45:16,271 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-01 18:45:16,272 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-01 18:45:16,272 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-01 18:45:16,328 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 185 out of 435
[2023-11-01 18:45:16,328 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 108 transitions, 508 flow. Second operand  has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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)
[2023-11-01 18:45:16,328 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-11-01 18:45:16,328 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 435
[2023-11-01 18:45:16,329 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-11-01 18:45:24,774 INFO  L130       PetriNetUnfolder]: 89228/136200 cut-off events.
[2023-11-01 18:45:24,774 INFO  L131       PetriNetUnfolder]: For 116635/124466 co-relation queries the response was YES.
[2023-11-01 18:45:25,030 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 374607 conditions, 136200 events. 89228/136200 cut-off events. For 116635/124466 co-relation queries the response was YES. Maximal size of possible extension queue 3669. Compared 1118184 event pairs, 56394 based on Foata normal form. 1511/109057 useless extension candidates. Maximal degree in co-relation 374598. Up to 107628 conditions per place. 
[2023-11-01 18:45:25,520 INFO  L137   encePairwiseOnDemand]: 423/435 looper letters, 99 selfloop transitions, 33 changer transitions 0/158 dead transitions.
[2023-11-01 18:45:25,520 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 158 transitions, 1013 flow
[2023-11-01 18:45:25,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-01 18:45:25,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-11-01 18:45:25,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 634 transitions.
[2023-11-01 18:45:25,522 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.48582375478927203
[2023-11-01 18:45:25,522 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 634 transitions.
[2023-11-01 18:45:25,522 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 634 transitions.
[2023-11-01 18:45:25,522 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-11-01 18:45:25,522 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 634 transitions.
[2023-11-01 18:45:25,523 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 211.33333333333334) internal successors, (634), 3 states have internal predecessors, (634), 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)
[2023-11-01 18:45:25,525 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:25,525 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 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)
[2023-11-01 18:45:25,525 INFO  L175             Difference]: Start difference. First operand has 79 places, 108 transitions, 508 flow. Second operand 3 states and 634 transitions.
[2023-11-01 18:45:25,525 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 158 transitions, 1013 flow
[2023-11-01 18:45:26,837 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 158 transitions, 947 flow, removed 0 selfloop flow, removed 2 redundant places.
[2023-11-01 18:45:26,839 INFO  L231             Difference]: Finished difference. Result has 81 places, 135 transitions, 804 flow
[2023-11-01 18:45:26,839 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=81, PETRI_TRANSITIONS=135}
[2023-11-01 18:45:26,840 INFO  L288   CegarLoopForPetriNet]: 77 programPoint places, 4 predicate places.
[2023-11-01 18:45:26,840 INFO  L495      AbstractCegarLoop]: Abstraction has has 81 places, 135 transitions, 804 flow
[2023-11-01 18:45:26,840 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 188.66666666666666) internal successors, (566), 3 states have internal predecessors, (566), 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)
[2023-11-01 18:45:26,840 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2023-11-01 18:45:26,841 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-01 18:45:26,841 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2023-11-01 18:45:26,841 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 18 more)] ===
[2023-11-01 18:45:26,841 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-01 18:45:26,841 INFO  L85        PathProgramCache]: Analyzing trace with hash 921503190, now seen corresponding path program 1 times
[2023-11-01 18:45:26,841 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-01 18:45:26,841 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470091947]
[2023-11-01 18:45:26,842 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-01 18:45:26,842 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-01 18:45:26,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:45:26,857 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-01 18:45:26,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-01 18:45:26,870 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-01 18:45:26,870 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining)
[2023-11-01 18:45:26,871 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining)
[2023-11-01 18:45:26,872 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr3ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining)
[2023-11-01 18:45:26,873 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2023-11-01 18:45:26,873 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-01 18:45:26,877 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances
[2023-11-01 18:45:26,878 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-01 18:45:26,911 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 06:45:26 BasicIcfg
[2023-11-01 18:45:26,911 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-01 18:45:26,912 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-01 18:45:26,912 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2023-11-01 18:45:26,912 INFO  L275        PluginConnector]: Witness Printer initialized
[2023-11-01 18:45:26,913 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:44:43" (3/4) ...
[2023-11-01 18:45:26,915 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-01 18:45:26,916 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-01 18:45:26,916 INFO  L158              Benchmark]: Toolchain (without parser) took 43939.74ms. Allocated memory was 178.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 138.8MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,917 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-01 18:45:26,917 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 388.28ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 110.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,917 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 178.3MB. Free memory was 110.2MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,917 INFO  L158              Benchmark]: Boogie Preprocessor took 27.72ms. Allocated memory is still 178.3MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,918 INFO  L158              Benchmark]: RCFGBuilder took 412.25ms. Allocated memory is still 178.3MB. Free memory was 105.4MB in the beginning and 88.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,918 INFO  L158              Benchmark]: TraceAbstraction took 43062.04ms. Allocated memory was 178.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 88.2MB in the beginning and 3.8GB in the end (delta: -3.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB.
[2023-11-01 18:45:26,918 INFO  L158              Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 6.4GB. Free memory is still 3.8GB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-01 18:45:26,920 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 388.28ms. Allocated memory is still 178.3MB. Free memory was 138.5MB in the beginning and 110.2MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 178.3MB. Free memory was 110.2MB in the beginning and 107.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 27.72ms. Allocated memory is still 178.3MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 412.25ms. Allocated memory is still 178.3MB. Free memory was 105.4MB in the beginning and 88.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 43062.04ms. Allocated memory was 178.3MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 88.2MB in the beginning and 3.8GB in the end (delta: -3.8GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB.
 * Witness Printer took 3.78ms. Allocated memory is still 6.4GB. Free memory is still 3.8GB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.3s, 130 PlacesBefore, 21 PlacesAfterwards, 134 TransitionsBefore, 19 TransitionsAfterwards, 4770 CoEnabledTransitionPairs, 7 FixpointIterations, 32 TrivialSequentialCompositions, 100 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 11 ConcurrentYvCompositions, 6 ChoiceCompositions, 152 TotalNumberOfCompositions, 4177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4177, independent: 4177, independent conditional: 0, independent unconditional: 4177, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2535, independent: 2535, independent conditional: 0, independent unconditional: 2535, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4177, independent: 1642, independent conditional: 0, independent unconditional: 1642, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2535, unknown conditional: 0, unknown unconditional: 2535] , Statistics on independence cache: Total cache size (in pairs): 18, Positive cache size: 18, Positive conditional cache size: 0, Positive unconditional cache size: 18, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.0s, 175 PlacesBefore, 57 PlacesAfterwards, 181 TransitionsBefore, 59 TransitionsAfterwards, 14760 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 109 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 25 ConcurrentYvCompositions, 4 ChoiceCompositions, 169 TotalNumberOfCompositions, 31780 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18181, independent: 17790, independent conditional: 0, independent unconditional: 17790, dependent: 391, dependent conditional: 0, dependent unconditional: 391, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8649, independent: 8566, independent conditional: 0, independent unconditional: 8566, dependent: 83, dependent conditional: 0, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18181, independent: 9224, independent conditional: 0, independent unconditional: 9224, dependent: 308, dependent conditional: 0, dependent unconditional: 308, unknown: 8649, unknown conditional: 0, unknown unconditional: 8649] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 599, Positive conditional cache size: 0, Positive unconditional cache size: 599, Negative cache size: 43, Negative conditional cache size: 0, Negative unconditional cache size: 43, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 4.8s, 220 PlacesBefore, 77 PlacesAfterwards, 228 TransitionsBefore, 81 TransitionsAfterwards, 28620 CoEnabledTransitionPairs, 6 FixpointIterations, 28 TrivialSequentialCompositions, 138 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 33 ConcurrentYvCompositions, 4 ChoiceCompositions, 207 TotalNumberOfCompositions, 69159 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28989, independent: 28410, independent conditional: 0, independent unconditional: 28410, dependent: 579, dependent conditional: 0, dependent unconditional: 579, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15379, independent: 15267, independent conditional: 0, independent unconditional: 15267, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28989, independent: 13143, independent conditional: 0, independent unconditional: 13143, dependent: 467, dependent conditional: 0, dependent unconditional: 467, unknown: 15379, unknown conditional: 0, unknown unconditional: 15379] , Statistics on independence cache: Total cache size (in pairs): 739, Positive cache size: 681, Positive conditional cache size: 0, Positive unconditional cache size: 681, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 1032]: Data race detected
    Data race detected
The following path leads to a data race: 
[L1030]               0  int data = 0;
[L1039]               0  int threads_total = __VERIFIER_nondet_int();
[L1040]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L1010]  COND FALSE   0  !(!cond)
[L1040]  RET          0  assume_abort_if_not(threads_total >= 0)
[L1041]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1041]               0  pthread_t *tids = malloc(threads_total * sizeof(pthread_t));
[L1042]               0  int i = 0;
         VAL             [data=0, i=0, threads_total=2, tids={5:0}]
[L1042]  COND TRUE    0  i < threads_total
[L1043]  EXPR         0  \read(*tids)
[L1043]  EXPR         0  tids[i]
[L1043]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, data=0, i=0, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-2, threads_total=2, tids={5:0}]
[L1042]               0  i++
         VAL             [data=0, i=1, threads_total=2, tids={5:0}]
[L1042]  COND TRUE    0  i < threads_total
[L1043]  EXPR         0  \read(*tids)
[L1043]  EXPR         0  tids[i]
[L1032]  EXPR         1  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=0]
[L1032]  CALL         1  __VERIFIER_assert(data == 0)
[L1024]  COND FALSE   1  !(!(cond))
[L1032]  RET          1  __VERIFIER_assert(data == 0)
[L1043]  FCALL, FORK  0  pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))
         VAL             [\read(*tids)={-3:0}, data=0, i=1, pthread_create(&tids[i], ((void *)0), &thread, ((void *)0))=-1, threads_total=2, tids={5:0}]
[L1032]               2  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=0]
[L1033]               1  data = 1
         VAL             [arg={0:0}, arg={0:0}, data=1, data = 1=51]
[L1032]               2  data == 0
         VAL             [arg={0:0}, arg={0:0}, data=1, data = 1=51]

Now there is a data race on ~data~0 between 
	C: data = 1 [1033]
and
	C: data == 0 [1032]

  - UnprovableResult [Line: 1043]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1046]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1048]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1046]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1043]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1033]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1034]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1035]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 3 procedures, 171 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 1 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances
    CFG has 4 procedures, 214 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 249 IncrementalHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 13 mSDtfsCounter, 249 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances
    CFG has 5 procedures, 257 locations, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 32.6s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 27.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 521 IncrementalHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 38 mSDtfsCounter, 521 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=804occurred in iteration=4, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-11-01 18:45:26,958 INFO  L540       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
