./Ultimate.py --spec /mnt/goblint-svcomp/goblint-bench/bench/concrat/properties/no-data-race.prp --file /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i --full-output --architecture 32bit


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


Checking for data races
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data -tc /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/AutomizerReach.xml -i /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.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 4652f4da866d77155a362f7e0d43c417fde934bdeb6599c1ba8014f5bc2bf248
--- Real Ultimate output ---
This is Ultimate 0.2.2-dev-2329fc7
[2024-02-28 19:01:52,239 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2024-02-28 19:01:52,240 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2024-02-28 19:01:52,260 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2024-02-28 19:01:52,260 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2024-02-28 19:01:52,261 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2024-02-28 19:01:52,262 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2024-02-28 19:01:52,263 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2024-02-28 19:01:52,264 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2024-02-28 19:01:52,264 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2024-02-28 19:01:52,265 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2024-02-28 19:01:52,266 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2024-02-28 19:01:52,266 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2024-02-28 19:01:52,267 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2024-02-28 19:01:52,268 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2024-02-28 19:01:52,268 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2024-02-28 19:01:52,269 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2024-02-28 19:01:52,270 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2024-02-28 19:01:52,271 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2024-02-28 19:01:52,272 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2024-02-28 19:01:52,273 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2024-02-28 19:01:52,274 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2024-02-28 19:01:52,274 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2024-02-28 19:01:52,275 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2024-02-28 19:01:52,277 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2024-02-28 19:01:52,277 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2024-02-28 19:01:52,278 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2024-02-28 19:01:52,278 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2024-02-28 19:01:52,278 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2024-02-28 19:01:52,279 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2024-02-28 19:01:52,279 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2024-02-28 19:01:52,280 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2024-02-28 19:01:52,280 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2024-02-28 19:01:52,281 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2024-02-28 19:01:52,281 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2024-02-28 19:01:52,281 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2024-02-28 19:01:52,282 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2024-02-28 19:01:52,282 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2024-02-28 19:01:52,282 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2024-02-28 19:01:52,283 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2024-02-28 19:01:52,283 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2024-02-28 19:01:52,284 INFO  L101        SettingsManager]: Beginning loading settings from /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-02-28 19:01:52,298 INFO  L113        SettingsManager]: Loading preferences was successful
[2024-02-28 19:01:52,298 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2024-02-28 19:01:52,299 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-02-28 19:01:52,299 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-02-28 19:01:52,299 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-02-28 19:01:52,299 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-02-28 19:01:52,300 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * Use SBE=true
[2024-02-28 19:01:52,300 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * sizeof long=4
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-02-28 19:01:52,300 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * sizeof long double=12
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2024-02-28 19:01:52,301 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-02-28 19:01:52,302 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 19:01:52,302 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-02-28 19:01:52,302 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-02-28 19:01:52,303 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-02-28 19:01:52,303 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-02-28 19:01:52,303 INFO  L138        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-02-28 19:01:52,303 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-02-28 19:01:52,303 INFO  L138        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2024-02-28 19:01:52,303 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 -> 4652f4da866d77155a362f7e0d43c417fde934bdeb6599c1ba8014f5bc2bf248
[2024-02-28 19:01:52,502 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-02-28 19:01:52,527 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-02-28 19:01:52,529 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-02-28 19:01:52,530 INFO  L271        PluginConnector]: Initializing CDTParser...
[2024-02-28 19:01:52,530 INFO  L275        PluginConnector]: CDTParser initialized
[2024-02-28 19:01:52,531 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i
[2024-02-28 19:01:53,570 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2024-02-28 19:01:53,746 INFO  L351              CDTParser]: Found 1 translation units.
[2024-02-28 19:01:53,747 INFO  L172              CDTParser]: Scanning /mnt/goblint-svcomp/goblint-bench/bench/concrat/race-challenges/thread-join-counter-outer-race-3.i
[2024-02-28 19:01:53,755 INFO  L394              CDTParser]: About to delete temporary CDT project at /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5e9d25497/e4a2dd8a336d491eb2b404031dab6757/FLAG140d0d574
[2024-02-28 19:01:53,766 INFO  L402              CDTParser]: Successfully deleted /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/data/5e9d25497/e4a2dd8a336d491eb2b404031dab6757
[2024-02-28 19:01:53,768 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-02-28 19:01:53,769 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-02-28 19:01:53,770 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-02-28 19:01:53,770 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-02-28 19:01:53,773 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-02-28 19:01:53,773 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 07:01:53" (1/1) ...
[2024-02-28 19:01:53,774 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcab50d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:53, skipping insertion in model container
[2024-02-28 19:01:53,774 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.02 07:01:53" (1/1) ...
[2024-02-28 19:01:53,779 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2024-02-28 19:01:53,806 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2024-02-28 19:01:54,006 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2024-02-28 19:01:54,008 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 19:01:54,019 INFO  L203         MainTranslator]: Completed pre-run
[2024-02-28 19:01:54,044 WARN  L623        FunctionHandler]: Unknown extern function pthread_detach
[2024-02-28 19:01:54,046 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-02-28 19:01:54,070 INFO  L208         MainTranslator]: Completed translation
[2024-02-28 19:01:54,070 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54 WrapperNode
[2024-02-28 19:01:54,070 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-02-28 19:01:54,071 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-02-28 19:01:54,071 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-02-28 19:01:54,071 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2024-02-28 19:01:54,076 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,087 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,104 INFO  L138                Inliner]: procedures = 159, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95
[2024-02-28 19:01:54,104 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-02-28 19:01:54,105 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-02-28 19:01:54,105 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2024-02-28 19:01:54,105 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2024-02-28 19:01:54,111 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,112 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,114 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,114 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,119 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,121 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,122 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,123 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,125 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-02-28 19:01:54,126 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-02-28 19:01:54,126 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2024-02-28 19:01:54,126 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2024-02-28 19:01:54,126 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (1/1) ...
[2024-02-28 19:01:54,131 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-02-28 19:01:54,138 INFO  L189       MonitoredProcess]: No working directory specified, using /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3
[2024-02-28 19:01:54,162 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-02-28 19:01:54,164 INFO  L327       MonitoredProcess]: [MP /mnt/goblint-svcomp/benchexec/tools-pldi/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-02-28 19:01:54,203 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-02-28 19:01:54,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-02-28 19:01:54,203 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-02-28 19:01:54,203 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-02-28 19:01:54,203 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-02-28 19:01:54,204 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-02-28 19:01:54,204 INFO  L130     BoogieDeclarations]: Found specification of procedure pthread_detach
[2024-02-28 19:01:54,204 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-02-28 19:01:54,204 INFO  L130     BoogieDeclarations]: Found specification of procedure thread
[2024-02-28 19:01:54,204 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread
[2024-02-28 19:01:54,204 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-02-28 19:01:54,205 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-02-28 19:01:54,206 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2024-02-28 19:01:54,306 INFO  L235             CfgBuilder]: Building ICFG
[2024-02-28 19:01:54,308 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-02-28 19:01:54,479 INFO  L276             CfgBuilder]: Performing block encoding
[2024-02-28 19:01:54,485 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-02-28 19:01:54,485 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2024-02-28 19:01:54,488 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 07:01:54 BoogieIcfgContainer
[2024-02-28 19:01:54,488 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-02-28 19:01:54,489 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-02-28 19:01:54,489 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2024-02-28 19:01:54,492 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2024-02-28 19:01:54,492 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.02 07:01:53" (1/3) ...
[2024-02-28 19:01:54,492 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4117ca6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 07:01:54, skipping insertion in model container
[2024-02-28 19:01:54,493 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.02 07:01:54" (2/3) ...
[2024-02-28 19:01:54,493 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4117ca6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.02 07:01:54, skipping insertion in model container
[2024-02-28 19:01:54,493 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 07:01:54" (3/3) ...
[2024-02-28 19:01:54,494 INFO  L112   eAbstractionObserver]: Analyzing ICFG thread-join-counter-outer-race-3.i
[2024-02-28 19:01:54,501 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-02-28 19:01:54,508 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-02-28 19:01:54,509 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-02-28 19:01:54,509 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-02-28 19:01:54,558 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-02-28 19:01:54,586 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,633 INFO  L130       PetriNetUnfolder]: 7/176 cut-off events.
[2024-02-28 19:01:54,634 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 19:01:54,638 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 181 conditions, 176 events. 7/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 88. Up to 4 conditions per place. 
[2024-02-28 19:01:54,638 INFO  L82        GeneralOperation]: Start removeDead. Operand has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,642 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,644 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 19:01:54,652 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,654 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,654 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 135 places, 136 transitions, 277 flow
[2024-02-28 19:01:54,680 INFO  L130       PetriNetUnfolder]: 7/176 cut-off events.
[2024-02-28 19:01:54,680 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 19:01:54,680 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 181 conditions, 176 events. 7/176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 222 event pairs, 0 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 88. Up to 4 conditions per place. 
[2024-02-28 19:01:54,682 INFO  L119        LiptonReduction]: Number of co-enabled transitions 3304
[2024-02-28 19:01:57,651 INFO  L134        LiptonReduction]: Checked pairs total: 13696
[2024-02-28 19:01:57,651 INFO  L136        LiptonReduction]: Total number of compositions: 99
[2024-02-28 19:01:57,663 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 19:01:57,668 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;@182b36e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 19:01:57,668 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-02-28 19:01:57,670 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2024-02-28 19:01:57,670 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 19:01:57,671 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:57,671 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-02-28 19:01:57,671 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:57,675 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:57,675 INFO  L85        PathProgramCache]: Analyzing trace with hash 13845965, now seen corresponding path program 1 times
[2024-02-28 19:01:57,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:57,682 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285939634]
[2024-02-28 19:01:57,683 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:57,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:57,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:01:57,828 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:01:57,829 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:01:57,829 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285939634]
[2024-02-28 19:01:57,829 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285939634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:01:57,829 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:01:57,830 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:01:57,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553417099]
[2024-02-28 19:01:57,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:01:57,837 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:01:57,837 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:01:57,851 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:01:57,852 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:01:57,880 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 235
[2024-02-28 19:01:57,883 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 45 transitions, 95 flow. Second operand  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:57,883 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:01:57,883 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 235
[2024-02-28 19:01:57,884 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:01:57,980 INFO  L130       PetriNetUnfolder]: 149/470 cut-off events.
[2024-02-28 19:01:57,980 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 19:01:57,981 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 814 conditions, 470 events. 149/470 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2466 event pairs, 54 based on Foata normal form. 0/427 useless extension candidates. Maximal degree in co-relation 762. Up to 184 conditions per place. 
[2024-02-28 19:01:57,984 INFO  L137   encePairwiseOnDemand]: 222/235 looper letters, 41 selfloop transitions, 8 changer transitions 0/65 dead transitions.
[2024-02-28 19:01:57,984 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 65 transitions, 233 flow
[2024-02-28 19:01:57,985 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:01:57,987 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:01:57,993 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 419 transitions.
[2024-02-28 19:01:57,995 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5943262411347517
[2024-02-28 19:01:57,995 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 419 transitions.
[2024-02-28 19:01:57,996 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 419 transitions.
[2024-02-28 19:01:57,997 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:01:57,999 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 419 transitions.
[2024-02-28 19:01:58,002 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 139.66666666666666) internal successors, (419), 3 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,007 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,008 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,009 INFO  L175             Difference]: Start difference. First operand has 46 places, 45 transitions, 95 flow. Second operand 3 states and 419 transitions.
[2024-02-28 19:01:58,010 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 65 transitions, 233 flow
[2024-02-28 19:01:58,012 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 65 transitions, 233 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-02-28 19:01:58,013 INFO  L231             Difference]: Finished difference. Result has 49 places, 51 transitions, 161 flow
[2024-02-28 19:01:58,015 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=161, PETRI_PLACES=49, PETRI_TRANSITIONS=51}
[2024-02-28 19:01:58,017 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 3 predicate places.
[2024-02-28 19:01:58,018 INFO  L495      AbstractCegarLoop]: Abstraction has has 49 places, 51 transitions, 161 flow
[2024-02-28 19:01:58,018 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,018 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:58,018 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:01:58,018 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-02-28 19:01:58,019 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:58,019 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:58,019 INFO  L85        PathProgramCache]: Analyzing trace with hash 931135085, now seen corresponding path program 1 times
[2024-02-28 19:01:58,019 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:58,020 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563990498]
[2024-02-28 19:01:58,020 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:58,020 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:58,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:01:58,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:01:58,064 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:01:58,064 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563990498]
[2024-02-28 19:01:58,064 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563990498] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:01:58,064 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:01:58,065 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:01:58,065 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835164731]
[2024-02-28 19:01:58,065 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:01:58,066 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:01:58,066 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:01:58,066 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:01:58,066 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:01:58,092 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 122 out of 235
[2024-02-28 19:01:58,093 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 51 transitions, 161 flow. Second operand  has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,093 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:01:58,093 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 235
[2024-02-28 19:01:58,093 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:01:58,160 INFO  L130       PetriNetUnfolder]: 130/418 cut-off events.
[2024-02-28 19:01:58,160 INFO  L131       PetriNetUnfolder]: For 120/123 co-relation queries the response was YES.
[2024-02-28 19:01:58,161 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 874 conditions, 418 events. 130/418 cut-off events. For 120/123 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2169 event pairs, 74 based on Foata normal form. 2/381 useless extension candidates. Maximal degree in co-relation 814. Up to 241 conditions per place. 
[2024-02-28 19:01:58,163 INFO  L137   encePairwiseOnDemand]: 229/235 looper letters, 31 selfloop transitions, 7 changer transitions 0/62 dead transitions.
[2024-02-28 19:01:58,163 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 62 transitions, 269 flow
[2024-02-28 19:01:58,163 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:01:58,163 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:01:58,165 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 399 transitions.
[2024-02-28 19:01:58,165 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5659574468085107
[2024-02-28 19:01:58,166 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 399 transitions.
[2024-02-28 19:01:58,166 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 399 transitions.
[2024-02-28 19:01:58,166 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:01:58,166 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 399 transitions.
[2024-02-28 19:01:58,167 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,169 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,169 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,169 INFO  L175             Difference]: Start difference. First operand has 49 places, 51 transitions, 161 flow. Second operand 3 states and 399 transitions.
[2024-02-28 19:01:58,169 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 62 transitions, 269 flow
[2024-02-28 19:01:58,171 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 62 transitions, 249 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 19:01:58,172 INFO  L231             Difference]: Finished difference. Result has 51 places, 56 transitions, 201 flow
[2024-02-28 19:01:58,172 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=145, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=201, PETRI_PLACES=51, PETRI_TRANSITIONS=56}
[2024-02-28 19:01:58,173 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 5 predicate places.
[2024-02-28 19:01:58,173 INFO  L495      AbstractCegarLoop]: Abstraction has has 51 places, 56 transitions, 201 flow
[2024-02-28 19:01:58,173 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,173 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:58,173 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:01:58,173 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-02-28 19:01:58,174 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:58,174 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:58,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 1155383445, now seen corresponding path program 1 times
[2024-02-28 19:01:58,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:58,174 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050923850]
[2024-02-28 19:01:58,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:58,174 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:58,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:01:58,226 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:01:58,226 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:01:58,226 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050923850]
[2024-02-28 19:01:58,227 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050923850] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:01:58,227 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:01:58,227 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:01:58,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353090634]
[2024-02-28 19:01:58,227 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:01:58,227 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:01:58,227 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:01:58,228 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:01:58,228 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:01:58,239 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 235
[2024-02-28 19:01:58,240 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 56 transitions, 201 flow. Second operand  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,240 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:01:58,240 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 235
[2024-02-28 19:01:58,240 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:01:58,302 INFO  L130       PetriNetUnfolder]: 113/398 cut-off events.
[2024-02-28 19:01:58,302 INFO  L131       PetriNetUnfolder]: For 132/141 co-relation queries the response was YES.
[2024-02-28 19:01:58,302 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 843 conditions, 398 events. 113/398 cut-off events. For 132/141 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2157 event pairs, 76 based on Foata normal form. 8/372 useless extension candidates. Maximal degree in co-relation 788. Up to 224 conditions per place. 
[2024-02-28 19:01:58,304 INFO  L137   encePairwiseOnDemand]: 232/235 looper letters, 25 selfloop transitions, 2 changer transitions 2/61 dead transitions.
[2024-02-28 19:01:58,304 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 61 transitions, 271 flow
[2024-02-28 19:01:58,304 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:01:58,304 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:01:58,305 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 409 transitions.
[2024-02-28 19:01:58,305 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5801418439716312
[2024-02-28 19:01:58,305 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 409 transitions.
[2024-02-28 19:01:58,305 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 409 transitions.
[2024-02-28 19:01:58,306 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:01:58,306 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 409 transitions.
[2024-02-28 19:01:58,306 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,308 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,308 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,309 INFO  L175             Difference]: Start difference. First operand has 51 places, 56 transitions, 201 flow. Second operand 3 states and 409 transitions.
[2024-02-28 19:01:58,309 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 61 transitions, 271 flow
[2024-02-28 19:01:58,310 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 257 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 19:01:58,311 INFO  L231             Difference]: Finished difference. Result has 52 places, 57 transitions, 199 flow
[2024-02-28 19:01:58,311 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=199, PETRI_PLACES=52, PETRI_TRANSITIONS=57}
[2024-02-28 19:01:58,312 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 6 predicate places.
[2024-02-28 19:01:58,312 INFO  L495      AbstractCegarLoop]: Abstraction has has 52 places, 57 transitions, 199 flow
[2024-02-28 19:01:58,312 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,312 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:58,312 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:01:58,312 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-02-28 19:01:58,312 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:58,313 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:58,313 INFO  L85        PathProgramCache]: Analyzing trace with hash 1312887995, now seen corresponding path program 1 times
[2024-02-28 19:01:58,313 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:58,313 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390021731]
[2024-02-28 19:01:58,313 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:58,313 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:58,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:01:58,347 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:01:58,347 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:01:58,347 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390021731]
[2024-02-28 19:01:58,347 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390021731] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:01:58,348 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:01:58,348 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:01:58,348 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535422102]
[2024-02-28 19:01:58,348 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:01:58,348 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:01:58,348 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:01:58,348 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:01:58,349 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:01:58,357 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 126 out of 235
[2024-02-28 19:01:58,357 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 57 transitions, 199 flow. Second operand  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,357 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:01:58,358 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 235
[2024-02-28 19:01:58,358 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:01:58,422 INFO  L130       PetriNetUnfolder]: 113/389 cut-off events.
[2024-02-28 19:01:58,423 INFO  L131       PetriNetUnfolder]: For 97/108 co-relation queries the response was YES.
[2024-02-28 19:01:58,423 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 812 conditions, 389 events. 113/389 cut-off events. For 97/108 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2100 event pairs, 67 based on Foata normal form. 9/366 useless extension candidates. Maximal degree in co-relation 778. Up to 215 conditions per place. 
[2024-02-28 19:01:58,424 INFO  L137   encePairwiseOnDemand]: 231/235 looper letters, 34 selfloop transitions, 3 changer transitions 0/68 dead transitions.
[2024-02-28 19:01:58,424 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 68 transitions, 303 flow
[2024-02-28 19:01:58,425 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:01:58,425 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:01:58,426 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions.
[2024-02-28 19:01:58,426 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5815602836879432
[2024-02-28 19:01:58,426 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 410 transitions.
[2024-02-28 19:01:58,426 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions.
[2024-02-28 19:01:58,426 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:01:58,426 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions.
[2024-02-28 19:01:58,427 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,429 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,429 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,429 INFO  L175             Difference]: Start difference. First operand has 52 places, 57 transitions, 199 flow. Second operand 3 states and 410 transitions.
[2024-02-28 19:01:58,429 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 68 transitions, 303 flow
[2024-02-28 19:01:58,430 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 68 transitions, 301 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 19:01:58,431 INFO  L231             Difference]: Finished difference. Result has 54 places, 59 transitions, 216 flow
[2024-02-28 19:01:58,431 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=54, PETRI_TRANSITIONS=59}
[2024-02-28 19:01:58,432 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 8 predicate places.
[2024-02-28 19:01:58,432 INFO  L495      AbstractCegarLoop]: Abstraction has has 54 places, 59 transitions, 216 flow
[2024-02-28 19:01:58,432 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,432 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:58,432 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:01:58,432 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-02-28 19:01:58,433 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:58,433 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:58,433 INFO  L85        PathProgramCache]: Analyzing trace with hash -1323982407, now seen corresponding path program 1 times
[2024-02-28 19:01:58,433 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:58,433 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190206919]
[2024-02-28 19:01:58,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:58,433 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:58,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:01:58,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 19:01:58,468 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:01:58,469 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190206919]
[2024-02-28 19:01:58,469 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190206919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:01:58,469 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:01:58,469 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:01:58,469 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556667398]
[2024-02-28 19:01:58,470 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:01:58,470 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:01:58,470 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:01:58,471 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:01:58,471 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:01:58,479 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 128 out of 235
[2024-02-28 19:01:58,480 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 59 transitions, 216 flow. Second operand  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,480 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:01:58,480 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 235
[2024-02-28 19:01:58,480 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:01:58,552 INFO  L130       PetriNetUnfolder]: 135/443 cut-off events.
[2024-02-28 19:01:58,552 INFO  L131       PetriNetUnfolder]: For 152/167 co-relation queries the response was YES.
[2024-02-28 19:01:58,553 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 987 conditions, 443 events. 135/443 cut-off events. For 152/167 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2452 event pairs, 63 based on Foata normal form. 9/416 useless extension candidates. Maximal degree in co-relation 934. Up to 224 conditions per place. 
[2024-02-28 19:01:58,554 INFO  L137   encePairwiseOnDemand]: 231/235 looper letters, 32 selfloop transitions, 4 changer transitions 2/68 dead transitions.
[2024-02-28 19:01:58,554 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 68 transitions, 318 flow
[2024-02-28 19:01:58,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:01:58,554 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:01:58,555 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions.
[2024-02-28 19:01:58,555 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.5886524822695035
[2024-02-28 19:01:58,555 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 415 transitions.
[2024-02-28 19:01:58,555 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions.
[2024-02-28 19:01:58,556 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:01:58,556 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions.
[2024-02-28 19:01:58,556 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,558 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,558 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 235.0) internal successors, (940), 4 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,558 INFO  L175             Difference]: Start difference. First operand has 54 places, 59 transitions, 216 flow. Second operand 3 states and 415 transitions.
[2024-02-28 19:01:58,558 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 68 transitions, 318 flow
[2024-02-28 19:01:58,559 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 19:01:58,560 INFO  L231             Difference]: Finished difference. Result has 57 places, 61 transitions, 241 flow
[2024-02-28 19:01:58,560 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=241, PETRI_PLACES=57, PETRI_TRANSITIONS=61}
[2024-02-28 19:01:58,561 INFO  L288   CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places.
[2024-02-28 19:01:58,561 INFO  L495      AbstractCegarLoop]: Abstraction has has 57 places, 61 transitions, 241 flow
[2024-02-28 19:01:58,561 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:01:58,561 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:01:58,561 INFO  L209   CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
[2024-02-28 19:01:58,562 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-02-28 19:01:58,562 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 9 more)] ===
[2024-02-28 19:01:58,562 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:01:58,562 INFO  L85        PathProgramCache]: Analyzing trace with hash -1790975771, now seen corresponding path program 1 times
[2024-02-28 19:01:58,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:01:58,562 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600440667]
[2024-02-28 19:01:58,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:01:58,562 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:01:58,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 19:01:58,599 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 19:01:58,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 19:01:58,640 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 19:01:58,640 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 19:01:58,641 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining)
[2024-02-28 19:01:58,642 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2024-02-28 19:01:58,642 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining)
[2024-02-28 19:01:58,643 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining)
[2024-02-28 19:01:58,643 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2024-02-28 19:01:58,643 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2024-02-28 19:01:58,643 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining)
[2024-02-28 19:01:58,643 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2024-02-28 19:01:58,644 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2024-02-28 19:01:58,644 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2024-02-28 19:01:58,644 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2024-02-28 19:01:58,644 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2024-02-28 19:01:58,644 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-02-28 19:01:58,644 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-02-28 19:01:58,646 WARN  L233   ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-02-28 19:01:58,646 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-02-28 19:01:58,660 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-02-28 19:01:58,663 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,681 INFO  L130       PetriNetUnfolder]: 10/263 cut-off events.
[2024-02-28 19:01:58,681 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2024-02-28 19:01:58,682 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 273 conditions, 263 events. 10/263 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 376 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. 
[2024-02-28 19:01:58,682 INFO  L82        GeneralOperation]: Start removeDead. Operand has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,683 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,683 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2024-02-28 19:01:58,683 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,683 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,683 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 166 places, 165 transitions, 342 flow
[2024-02-28 19:01:58,699 INFO  L130       PetriNetUnfolder]: 10/263 cut-off events.
[2024-02-28 19:01:58,700 INFO  L131       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2024-02-28 19:01:58,700 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 273 conditions, 263 events. 10/263 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 376 event pairs, 0 based on Foata normal form. 0/230 useless extension candidates. Maximal degree in co-relation 177. Up to 6 conditions per place. 
[2024-02-28 19:01:58,704 INFO  L119        LiptonReduction]: Number of co-enabled transitions 8232
[2024-02-28 19:02:01,383 INFO  L134        LiptonReduction]: Checked pairs total: 37435
[2024-02-28 19:02:01,383 INFO  L136        LiptonReduction]: Total number of compositions: 109
[2024-02-28 19:02:01,385 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-02-28 19:02:01,385 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;@182b36e8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2024-02-28 19:02:01,386 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-02-28 19:02:01,387 INFO  L130       PetriNetUnfolder]: 0/6 cut-off events.
[2024-02-28 19:02:01,387 INFO  L131       PetriNetUnfolder]: For 0/0 co-relation queries the response was YES.
[2024-02-28 19:02:01,387 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:01,387 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2024-02-28 19:02:01,387 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:01,387 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:01,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 23166534, now seen corresponding path program 1 times
[2024-02-28 19:02:01,388 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:01,388 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761750522]
[2024-02-28 19:02:01,388 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:01,388 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:01,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:02:01,403 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:02:01,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:02:01,403 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761750522]
[2024-02-28 19:02:01,404 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761750522] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:02:01,404 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:02:01,404 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:02:01,404 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309775234]
[2024-02-28 19:02:01,404 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:02:01,404 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:02:01,404 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:02:01,404 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:02:01,404 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:02:01,425 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 145 out of 274
[2024-02-28 19:02:01,425 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 63 transitions, 138 flow. Second operand  has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:01,425 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:02:01,425 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 274
[2024-02-28 19:02:01,425 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:02:02,068 INFO  L130       PetriNetUnfolder]: 4700/9285 cut-off events.
[2024-02-28 19:02:02,068 INFO  L131       PetriNetUnfolder]: For 61/61 co-relation queries the response was YES.
[2024-02-28 19:02:02,075 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16906 conditions, 9285 events. 4700/9285 cut-off events. For 61/61 co-relation queries the response was YES. Maximal size of possible extension queue 343. Compared 73901 event pairs, 2037 based on Foata normal form. 0/8521 useless extension candidates. Maximal degree in co-relation 6522. Up to 3799 conditions per place. 
[2024-02-28 19:02:02,105 INFO  L137   encePairwiseOnDemand]: 257/274 looper letters, 63 selfloop transitions, 11 changer transitions 0/95 dead transitions.
[2024-02-28 19:02:02,105 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 95 transitions, 355 flow
[2024-02-28 19:02:02,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:02:02,106 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:02:02,107 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions.
[2024-02-28 19:02:02,107 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6289537712895377
[2024-02-28 19:02:02,107 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 517 transitions.
[2024-02-28 19:02:02,107 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions.
[2024-02-28 19:02:02,108 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:02:02,108 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions.
[2024-02-28 19:02:02,109 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,110 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,110 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,111 INFO  L175             Difference]: Start difference. First operand has 66 places, 63 transitions, 138 flow. Second operand 3 states and 517 transitions.
[2024-02-28 19:02:02,111 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 95 transitions, 355 flow
[2024-02-28 19:02:02,111 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 95 transitions, 353 flow, removed 1 selfloop flow, removed 0 redundant places.
[2024-02-28 19:02:02,113 INFO  L231             Difference]: Finished difference. Result has 69 places, 72 transitions, 228 flow
[2024-02-28 19:02:02,113 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=69, PETRI_TRANSITIONS=72}
[2024-02-28 19:02:02,113 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 3 predicate places.
[2024-02-28 19:02:02,113 INFO  L495      AbstractCegarLoop]: Abstraction has has 69 places, 72 transitions, 228 flow
[2024-02-28 19:02:02,114 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,114 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:02,114 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:02,114 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-02-28 19:02:02,114 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:02,114 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:02,114 INFO  L85        PathProgramCache]: Analyzing trace with hash 271718391, now seen corresponding path program 1 times
[2024-02-28 19:02:02,114 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:02,114 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644278864]
[2024-02-28 19:02:02,114 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:02,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:02,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:02:02,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:02:02,134 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:02:02,134 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644278864]
[2024-02-28 19:02:02,134 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644278864] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:02:02,134 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:02:02,135 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:02:02,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933679737]
[2024-02-28 19:02:02,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:02:02,135 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:02:02,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:02:02,135 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:02:02,135 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:02:02,146 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 155 out of 274
[2024-02-28 19:02:02,146 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 72 transitions, 228 flow. Second operand  has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,146 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:02:02,146 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 274
[2024-02-28 19:02:02,146 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:02:02,662 INFO  L130       PetriNetUnfolder]: 3699/7359 cut-off events.
[2024-02-28 19:02:02,662 INFO  L131       PetriNetUnfolder]: For 1479/1494 co-relation queries the response was YES.
[2024-02-28 19:02:02,672 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 15549 conditions, 7359 events. 3699/7359 cut-off events. For 1479/1494 co-relation queries the response was YES. Maximal size of possible extension queue 326. Compared 58723 event pairs, 3092 based on Foata normal form. 1/6802 useless extension candidates. Maximal degree in co-relation 6902. Up to 5555 conditions per place. 
[2024-02-28 19:02:02,697 INFO  L137   encePairwiseOnDemand]: 271/274 looper letters, 35 selfloop transitions, 2 changer transitions 2/77 dead transitions.
[2024-02-28 19:02:02,697 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 77 transitions, 320 flow
[2024-02-28 19:02:02,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:02:02,698 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:02:02,699 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions.
[2024-02-28 19:02:02,699 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.610705596107056
[2024-02-28 19:02:02,699 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 502 transitions.
[2024-02-28 19:02:02,699 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 502 transitions.
[2024-02-28 19:02:02,699 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:02:02,700 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 502 transitions.
[2024-02-28 19:02:02,701 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,702 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,702 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,703 INFO  L175             Difference]: Start difference. First operand has 69 places, 72 transitions, 228 flow. Second operand 3 states and 502 transitions.
[2024-02-28 19:02:02,703 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 77 transitions, 320 flow
[2024-02-28 19:02:02,706 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 77 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 19:02:02,708 INFO  L231             Difference]: Finished difference. Result has 70 places, 73 transitions, 218 flow
[2024-02-28 19:02:02,708 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=218, PETRI_PLACES=70, PETRI_TRANSITIONS=73}
[2024-02-28 19:02:02,708 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 4 predicate places.
[2024-02-28 19:02:02,708 INFO  L495      AbstractCegarLoop]: Abstraction has has 70 places, 73 transitions, 218 flow
[2024-02-28 19:02:02,709 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,709 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:02,709 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:02,709 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-02-28 19:02:02,709 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:02,709 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:02,709 INFO  L85        PathProgramCache]: Analyzing trace with hash 1566035078, now seen corresponding path program 1 times
[2024-02-28 19:02:02,709 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:02,710 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373208529]
[2024-02-28 19:02:02,710 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:02,710 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:02,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:02:02,727 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:02:02,727 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:02:02,727 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373208529]
[2024-02-28 19:02:02,727 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373208529] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:02:02,727 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:02:02,728 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:02:02,728 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78020065]
[2024-02-28 19:02:02,728 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:02:02,728 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:02:02,728 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:02:02,728 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:02:02,729 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:02:02,758 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 148 out of 274
[2024-02-28 19:02:02,759 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 73 transitions, 218 flow. Second operand  has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:02,760 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:02:02,760 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 274
[2024-02-28 19:02:02,760 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:02:03,274 INFO  L130       PetriNetUnfolder]: 3943/7684 cut-off events.
[2024-02-28 19:02:03,274 INFO  L131       PetriNetUnfolder]: For 1638/1840 co-relation queries the response was YES.
[2024-02-28 19:02:03,282 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 16434 conditions, 7684 events. 3943/7684 cut-off events. For 1638/1840 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 60134 event pairs, 2549 based on Foata normal form. 59/6992 useless extension candidates. Maximal degree in co-relation 16398. Up to 5346 conditions per place. 
[2024-02-28 19:02:03,302 INFO  L137   encePairwiseOnDemand]: 266/274 looper letters, 53 selfloop transitions, 12 changer transitions 0/97 dead transitions.
[2024-02-28 19:02:03,302 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 97 transitions, 412 flow
[2024-02-28 19:02:03,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:02:03,302 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:02:03,303 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions.
[2024-02-28 19:02:03,303 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6058394160583942
[2024-02-28 19:02:03,304 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 498 transitions.
[2024-02-28 19:02:03,304 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions.
[2024-02-28 19:02:03,304 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:02:03,304 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions.
[2024-02-28 19:02:03,305 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,306 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,306 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,306 INFO  L175             Difference]: Start difference. First operand has 70 places, 73 transitions, 218 flow. Second operand 3 states and 498 transitions.
[2024-02-28 19:02:03,306 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 97 transitions, 412 flow
[2024-02-28 19:02:03,308 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 97 transitions, 410 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 19:02:03,309 INFO  L231             Difference]: Finished difference. Result has 73 places, 83 transitions, 322 flow
[2024-02-28 19:02:03,309 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=216, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=73, PETRI_TRANSITIONS=83}
[2024-02-28 19:02:03,309 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 7 predicate places.
[2024-02-28 19:02:03,310 INFO  L495      AbstractCegarLoop]: Abstraction has has 73 places, 83 transitions, 322 flow
[2024-02-28 19:02:03,310 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,310 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:03,310 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:03,310 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-02-28 19:02:03,310 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:03,310 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:03,310 INFO  L85        PathProgramCache]: Analyzing trace with hash 2024296669, now seen corresponding path program 1 times
[2024-02-28 19:02:03,310 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:03,311 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246076575]
[2024-02-28 19:02:03,311 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:03,311 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:03,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:02:03,331 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-02-28 19:02:03,332 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:02:03,332 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246076575]
[2024-02-28 19:02:03,332 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246076575] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:02:03,332 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:02:03,332 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:02:03,332 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099076229]
[2024-02-28 19:02:03,332 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:02:03,332 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:02:03,332 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:02:03,333 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:02:03,333 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:02:03,346 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 153 out of 274
[2024-02-28 19:02:03,347 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 83 transitions, 322 flow. Second operand  has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,347 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:02:03,347 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 274
[2024-02-28 19:02:03,347 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:02:03,902 INFO  L130       PetriNetUnfolder]: 4089/8296 cut-off events.
[2024-02-28 19:02:03,902 INFO  L131       PetriNetUnfolder]: For 5148/6911 co-relation queries the response was YES.
[2024-02-28 19:02:03,913 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 19237 conditions, 8296 events. 4089/8296 cut-off events. For 5148/6911 co-relation queries the response was YES. Maximal size of possible extension queue 405. Compared 69168 event pairs, 2758 based on Foata normal form. 251/7673 useless extension candidates. Maximal degree in co-relation 11348. Up to 5557 conditions per place. 
[2024-02-28 19:02:03,937 INFO  L137   encePairwiseOnDemand]: 269/274 looper letters, 64 selfloop transitions, 4 changer transitions 0/110 dead transitions.
[2024-02-28 19:02:03,937 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 110 transitions, 555 flow
[2024-02-28 19:02:03,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:02:03,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:02:03,938 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions.
[2024-02-28 19:02:03,939 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6228710462287105
[2024-02-28 19:02:03,939 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 512 transitions.
[2024-02-28 19:02:03,939 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions.
[2024-02-28 19:02:03,939 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:02:03,939 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions.
[2024-02-28 19:02:03,940 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)
[2024-02-28 19:02:03,941 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,941 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,942 INFO  L175             Difference]: Start difference. First operand has 73 places, 83 transitions, 322 flow. Second operand 3 states and 512 transitions.
[2024-02-28 19:02:03,942 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 110 transitions, 555 flow
[2024-02-28 19:02:03,949 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 110 transitions, 523 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-02-28 19:02:03,950 INFO  L231             Difference]: Finished difference. Result has 74 places, 86 transitions, 324 flow
[2024-02-28 19:02:03,950 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=74, PETRI_TRANSITIONS=86}
[2024-02-28 19:02:03,951 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 8 predicate places.
[2024-02-28 19:02:03,951 INFO  L495      AbstractCegarLoop]: Abstraction has has 74 places, 86 transitions, 324 flow
[2024-02-28 19:02:03,951 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,951 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:03,951 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:03,951 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-02-28 19:02:03,951 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:03,952 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:03,952 INFO  L85        PathProgramCache]: Analyzing trace with hash 366274325, now seen corresponding path program 1 times
[2024-02-28 19:02:03,952 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:03,952 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359030322]
[2024-02-28 19:02:03,952 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:03,952 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:03,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-02-28 19:02:03,980 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-02-28 19:02:03,980 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-02-28 19:02:03,980 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359030322]
[2024-02-28 19:02:03,980 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359030322] provided 1 perfect and 0 imperfect interpolant sequences
[2024-02-28 19:02:03,980 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-02-28 19:02:03,981 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-02-28 19:02:03,981 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790632147]
[2024-02-28 19:02:03,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-02-28 19:02:03,981 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-02-28 19:02:03,981 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-02-28 19:02:03,981 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-02-28 19:02:03,981 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-02-28 19:02:03,992 INFO  L478   CegarLoopForPetriNet]: Number of universal loopers: 155 out of 274
[2024-02-28 19:02:03,992 INFO  L100   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 86 transitions, 324 flow. Second operand  has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:03,992 INFO  L109   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-02-28 19:02:03,992 INFO  L110   encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 274
[2024-02-28 19:02:03,992 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-02-28 19:02:04,625 INFO  L130       PetriNetUnfolder]: 4914/9916 cut-off events.
[2024-02-28 19:02:04,625 INFO  L131       PetriNetUnfolder]: For 5630/7673 co-relation queries the response was YES.
[2024-02-28 19:02:04,637 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 23298 conditions, 9916 events. 4914/9916 cut-off events. For 5630/7673 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 83544 event pairs, 2708 based on Foata normal form. 247/9262 useless extension candidates. Maximal degree in co-relation 12576. Up to 5855 conditions per place. 
[2024-02-28 19:02:04,659 INFO  L137   encePairwiseOnDemand]: 269/274 looper letters, 62 selfloop transitions, 6 changer transitions 0/109 dead transitions.
[2024-02-28 19:02:04,659 INFO  L142   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 535 flow
[2024-02-28 19:02:04,659 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-02-28 19:02:04,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-02-28 19:02:04,660 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 517 transitions.
[2024-02-28 19:02:04,661 INFO  L523   CegarLoopForPetriNet]: DFA transition density 0.6289537712895377
[2024-02-28 19:02:04,661 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 517 transitions.
[2024-02-28 19:02:04,661 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 517 transitions.
[2024-02-28 19:02:04,661 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-02-28 19:02:04,661 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 517 transitions.
[2024-02-28 19:02:04,662 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 172.33333333333334) internal successors, (517), 3 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:04,663 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:04,663 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 274.0) internal successors, (1096), 4 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:04,663 INFO  L175             Difference]: Start difference. First operand has 74 places, 86 transitions, 324 flow. Second operand 3 states and 517 transitions.
[2024-02-28 19:02:04,663 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 535 flow
[2024-02-28 19:02:04,666 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 528 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-02-28 19:02:04,667 INFO  L231             Difference]: Finished difference. Result has 77 places, 90 transitions, 368 flow
[2024-02-28 19:02:04,667 INFO  L271   CegarLoopForPetriNet]: {PETRI_ALPHABET=274, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=368, PETRI_PLACES=77, PETRI_TRANSITIONS=90}
[2024-02-28 19:02:04,667 INFO  L288   CegarLoopForPetriNet]: 66 programPoint places, 11 predicate places.
[2024-02-28 19:02:04,667 INFO  L495      AbstractCegarLoop]: Abstraction has has 77 places, 90 transitions, 368 flow
[2024-02-28 19:02:04,668 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-02-28 19:02:04,668 INFO  L201   CegarLoopForPetriNet]: Found error trace
[2024-02-28 19:02:04,668 INFO  L209   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:04,668 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-02-28 19:02:04,668 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 12 more)] ===
[2024-02-28 19:02:04,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2024-02-28 19:02:04,668 INFO  L85        PathProgramCache]: Analyzing trace with hash -548589024, now seen corresponding path program 1 times
[2024-02-28 19:02:04,668 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-02-28 19:02:04,668 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22298183]
[2024-02-28 19:02:04,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-02-28 19:02:04,669 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-02-28 19:02:04,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 19:02:04,683 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-02-28 19:02:04,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-02-28 19:02:04,695 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-02-28 19:02:04,695 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2024-02-28 19:02:04,695 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location threadErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining)
[2024-02-28 19:02:04,695 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining)
[2024-02-28 19:02:04,695 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr1ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining)
[2024-02-28 19:02:04,696 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location threadErr2ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining)
[2024-02-28 19:02:04,696 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-02-28 19:02:04,696 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-02-28 19:02:04,700 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances
[2024-02-28 19:02:04,700 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2024-02-28 19:02:04,730 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.02 07:02:04 BasicIcfg
[2024-02-28 19:02:04,730 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-02-28 19:02:04,730 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-02-28 19:02:04,730 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2024-02-28 19:02:04,730 INFO  L275        PluginConnector]: Witness Printer initialized
[2024-02-28 19:02:04,731 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.02 07:01:54" (3/4) ...
[2024-02-28 19:02:04,732 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2024-02-28 19:02:04,732 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-02-28 19:02:04,733 INFO  L158              Benchmark]: Toolchain (without parser) took 10963.48ms. Allocated memory was 121.6MB in the beginning and 675.3MB in the end (delta: 553.6MB). Free memory was 77.5MB in the beginning and 280.5MB in the end (delta: -203.0MB). Peak memory consumption was 349.9MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,733 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-28 19:02:04,733 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 300.14ms. Allocated memory is still 121.6MB. Free memory was 77.1MB in the beginning and 57.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,733 INFO  L158              Benchmark]: Boogie Procedure Inliner took 33.23ms. Allocated memory is still 121.6MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,734 INFO  L158              Benchmark]: Boogie Preprocessor took 20.52ms. Allocated memory is still 121.6MB. Free memory was 55.7MB in the beginning and 54.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,734 INFO  L158              Benchmark]: RCFGBuilder took 362.00ms. Allocated memory is still 121.6MB. Free memory was 53.7MB in the beginning and 79.8MB in the end (delta: -26.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,734 INFO  L158              Benchmark]: TraceAbstraction took 10240.47ms. Allocated memory was 121.6MB in the beginning and 675.3MB in the end (delta: 553.6MB). Free memory was 79.3MB in the beginning and 280.5MB in the end (delta: -201.2MB). Peak memory consumption was 353.6MB. Max. memory is 16.1GB.
[2024-02-28 19:02:04,734 INFO  L158              Benchmark]: Witness Printer took 2.30ms. Allocated memory is still 675.3MB. Free memory is still 280.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-02-28 19:02:04,735 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 90.2MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 300.14ms. Allocated memory is still 121.6MB. Free memory was 77.1MB in the beginning and 57.8MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 33.23ms. Allocated memory is still 121.6MB. Free memory was 57.8MB in the beginning and 55.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 20.52ms. Allocated memory is still 121.6MB. Free memory was 55.7MB in the beginning and 54.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 362.00ms. Allocated memory is still 121.6MB. Free memory was 53.7MB in the beginning and 79.8MB in the end (delta: -26.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 10240.47ms. Allocated memory was 121.6MB in the beginning and 675.3MB in the end (delta: 553.6MB). Free memory was 79.3MB in the beginning and 280.5MB in the end (delta: -201.2MB). Peak memory consumption was 353.6MB. Max. memory is 16.1GB.
 * Witness Printer took 2.30ms. Allocated memory is still 675.3MB. Free memory is still 280.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 3.0s, 135 PlacesBefore, 46 PlacesAfterwards, 136 TransitionsBefore, 45 TransitionsAfterwards, 3304 CoEnabledTransitionPairs, 7 FixpointIterations, 48 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 99 TotalNumberOfCompositions, 13696 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4677, independent: 4157, independent conditional: 0, independent unconditional: 4157, dependent: 520, dependent conditional: 0, dependent unconditional: 520, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1589, independent: 1526, independent conditional: 0, independent unconditional: 1526, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4677, independent: 2631, independent conditional: 0, independent unconditional: 2631, dependent: 457, dependent conditional: 0, dependent unconditional: 457, unknown: 1589, unknown conditional: 0, unknown unconditional: 1589] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 221, Positive conditional cache size: 0, Positive unconditional cache size: 221, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 2.7s, 166 PlacesBefore, 66 PlacesAfterwards, 165 TransitionsBefore, 63 TransitionsAfterwards, 8232 CoEnabledTransitionPairs, 7 FixpointIterations, 47 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 109 TotalNumberOfCompositions, 37435 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10143, independent: 9392, independent conditional: 0, independent unconditional: 9392, dependent: 751, dependent conditional: 0, dependent unconditional: 751, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3645, independent: 3552, independent conditional: 0, independent unconditional: 3552, dependent: 93, dependent conditional: 0, dependent unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 10143, independent: 5840, independent conditional: 0, independent unconditional: 5840, dependent: 658, dependent conditional: 0, dependent unconditional: 658, unknown: 3645, unknown conditional: 0, unknown unconditional: 3645] , Statistics on independence cache: Total cache size (in pairs): 478, Positive cache size: 419, Positive conditional cache size: 0, Positive unconditional cache size: 419, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - DataRaceFoundResult [Line: 685]: Data race detected
    Data race detected
The following path leads to a data race: 
[L678]               0  int threads_alive = -1;
[L679]               0  pthread_mutex_t threads_alive_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L680]               0  pthread_cond_t threads_alive_cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } };
[L681]               0  int data = 0;
[L682]               0  pthread_mutex_t data_mutex = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L694]               0  int threads_total = __VERIFIER_nondet_int();
[L695]  CALL         0  assume_abort_if_not(threads_total >= 0)
[L675]  COND FALSE   0  !(!cond)
[L695]  RET          0  assume_abort_if_not(threads_total >= 0)
[L696]               0  int i = 0;
        VAL             [data=0, data_mutex={3:0}, i=0, threads_alive=-1, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L696]  COND TRUE    0  i < threads_total
[L698]               0  threads_alive++
[L700]               0  pthread_t tid;
[L701]  FCALL, FORK  0  pthread_create(&tid, ((void *)0), &thread, ((void *)0))
        VAL             [arg={0:0}, data=0, data_mutex={3:0}, i=0, pthread_create(&tid, ((void *)0), &thread, ((void *)0))=-1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1, tid={5:0}]
[L702]  EXPR         0  \read(tid)
[L702]               0  pthread_detach(tid)
[L696]               0  i++
[L696]  COND FALSE   0  !(i < threads_total)
[L685]               1  data = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}]
[L705]  COND FALSE   0  !(\read(threads_alive))
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, i=1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L708]               0  return data;
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, i=1, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}, threads_total=1]
[L685]               1  data = __VERIFIER_nondet_int()
        VAL             [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, data=0, data = __VERIFIER_nondet_int()=49, data_mutex={3:0}, threads_alive=0, threads_alive_cond={2:0}, threads_alive_mutex={1:0}]

Now there is a data race on ~data~0 between 
	C: return data; [708]
and
	C: data = __VERIFIER_nondet_int() [685]

  - UnprovableResult [Line: 698]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 705]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 708]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 698]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 702]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 701]: 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: 688]: Unable to prove that there are no data races
    Unable to prove that there are no data races
 Reason: Not analyzed. 
  - UnprovableResult [Line: 688]: 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, 162 locations, 12 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: 4.1s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 12 mSDtfsCounter, 280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=5, InterpolantAutomatonStates: 15, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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, 191 locations, 15 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: 6.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 453 IncrementalHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 24 mSDtfsCounter, 453 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=368occurred in iteration=5, InterpolantAutomatonStates: 15, 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, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 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!
[2024-02-28 19:02:04,773 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
