./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:57:34,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:57:34,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:57:34,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:57:34,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:57:34,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:57:34,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:57:34,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:57:34,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:57:34,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:57:34,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:57:34,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:57:34,421 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:57:34,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:57:34,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:57:34,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:57:34,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:57:34,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:57:34,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:57:34,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:57:34,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:57:34,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:57:34,425 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:57:34,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:57:34,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:57:34,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:57:34,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:57:34,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:57:34,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:57:34,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:57:34,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:57:34,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:57:34,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:57:34,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:57:34,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:57:34,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:57:34,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:57:34,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:57:34,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:57:34,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:57:34,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:57:34,431 INFO L153 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:/storage/repos/ultimate/releaseScripts/default/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7 [2024-10-13 09:57:34,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:57:34,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:57:34,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:57:34,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:57:34,729 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:57:34,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-10-13 09:57:36,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:57:36,514 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:57:36,515 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c [2024-10-13 09:57:36,536 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372bbfd90/376d3666983243cdad406f47b27c56ff/FLAGdd6dda52b [2024-10-13 09:57:36,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372bbfd90/376d3666983243cdad406f47b27c56ff [2024-10-13 09:57:36,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:57:36,559 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:57:36,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:57:36,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:57:36,567 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:57:36,568 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:57:36" (1/1) ... [2024-10-13 09:57:36,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4198ca33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:36, skipping insertion in model container [2024-10-13 09:57:36,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:57:36" (1/1) ... [2024-10-13 09:57:36,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:57:37,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:57:37,133 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:57:37,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:57:37,317 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:57:37,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37 WrapperNode [2024-10-13 09:57:37,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:57:37,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:57:37,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:57:37,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:57:37,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,640 INFO L138 Inliner]: procedures = 25, calls = 440, calls flagged for inlining = 101, calls inlined = 145, statements flattened = 5005 [2024-10-13 09:57:37,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:57:37,641 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:57:37,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:57:37,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:57:37,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,912 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:57:37,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:57:37,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:57:37,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:57:37,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (1/1) ... [2024-10-13 09:57:37,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:57:37,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:57:37,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 09:57:37,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 09:57:38,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:57:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-13 09:57:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-13 09:57:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-13 09:57:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-13 09:57:38,037 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-13 09:57:38,037 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 09:57:38,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:57:38,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:57:38,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:57:38,044 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:57:38,450 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:57:38,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:57:43,245 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:57:43,245 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:57:58,930 WARN L1752 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-13 09:57:58,951 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:57:58,952 INFO L314 CfgBuilder]: Removed 18 assume(true) statements. [2024-10-13 09:57:58,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:57:58 BoogieIcfgContainer [2024-10-13 09:57:58,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:57:58,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:57:58,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:57:58,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:57:58,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:57:36" (1/3) ... [2024-10-13 09:57:58,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7d52cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:57:58, skipping insertion in model container [2024-10-13 09:57:58,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:57:37" (2/3) ... [2024-10-13 09:57:58,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c7d52cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:57:58, skipping insertion in model container [2024-10-13 09:57:58,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:57:58" (3/3) ... [2024-10-13 09:57:58,963 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2024-10-13 09:57:58,980 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:57:58,981 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 753 error locations. [2024-10-13 09:57:58,981 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:58:01,013 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-13 09:58:01,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1712 places, 1785 transitions, 3591 flow [2024-10-13 09:58:02,685 INFO L124 PetriNetUnfolderBase]: 83/1782 cut-off events. [2024-10-13 09:58:02,686 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-13 09:58:02,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1795 conditions, 1782 events. 83/1782 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8425 event pairs, 0 based on Foata normal form. 0/946 useless extension candidates. Maximal degree in co-relation 1442. Up to 8 conditions per place. [2024-10-13 09:58:02,724 INFO L82 GeneralOperation]: Start removeDead. Operand has 1712 places, 1785 transitions, 3591 flow [2024-10-13 09:58:02,801 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1690 places, 1761 transitions, 3540 flow [2024-10-13 09:58:02,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:58:02,816 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4ed24bc3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:58:02,816 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1467 error locations. [2024-10-13 09:58:02,825 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:58:02,825 INFO L124 PetriNetUnfolderBase]: 3/81 cut-off events. [2024-10-13 09:58:02,825 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:58:02,826 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:02,826 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:02,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-13 09:58:02,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:02,833 INFO L85 PathProgramCache]: Analyzing trace with hash 556520513, now seen corresponding path program 1 times [2024-10-13 09:58:02,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:02,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718601866] [2024-10-13 09:58:02,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:02,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:03,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:03,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:03,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718601866] [2024-10-13 09:58:03,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718601866] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:03,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:03,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:58:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525305962] [2024-10-13 09:58:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:03,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:58:03,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:03,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:58:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:58:04,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 821 out of 1785 [2024-10-13 09:58:04,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2024-10-13 09:58:04,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:04,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 821 of 1785 [2024-10-13 09:58:04,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:08,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 09:58:15,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 09:58:23,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 09:58:29,852 INFO L124 PetriNetUnfolderBase]: 697/2536 cut-off events. [2024-10-13 09:58:29,852 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-10-13 09:58:29,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3549 conditions, 2536 events. 697/2536 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11490 event pairs, 135 based on Foata normal form. 168/2292 useless extension candidates. Maximal degree in co-relation 2317. Up to 886 conditions per place. [2024-10-13 09:58:29,873 INFO L140 encePairwiseOnDemand]: 959/1785 looper letters, 136 selfloop transitions, 60 changer transitions 24/995 dead transitions. [2024-10-13 09:58:29,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 972 places, 995 transitions, 2400 flow [2024-10-13 09:58:29,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 09:58:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 09:58:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5888 transitions. [2024-10-13 09:58:29,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5497665732959851 [2024-10-13 09:58:29,910 INFO L175 Difference]: Start difference. First operand has 1690 places, 1761 transitions, 3540 flow. Second operand 6 states and 5888 transitions. [2024-10-13 09:58:29,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 972 places, 995 transitions, 2400 flow [2024-10-13 09:58:29,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 966 places, 995 transitions, 2388 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-13 09:58:29,938 INFO L231 Difference]: Finished difference. Result has 966 places, 971 transitions, 2068 flow [2024-10-13 09:58:29,942 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2068, PETRI_PLACES=966, PETRI_TRANSITIONS=971} [2024-10-13 09:58:29,950 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -724 predicate places. [2024-10-13 09:58:29,951 INFO L471 AbstractCegarLoop]: Abstraction has has 966 places, 971 transitions, 2068 flow [2024-10-13 09:58:29,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 822.5) internal successors, (4935), 6 states have internal predecessors, (4935), 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) [2024-10-13 09:58:29,954 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:29,954 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:29,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:58:29,955 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-13 09:58:29,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:29,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1492636070, now seen corresponding path program 1 times [2024-10-13 09:58:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:29,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165029576] [2024-10-13 09:58:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:30,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:30,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:30,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165029576] [2024-10-13 09:58:30,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165029576] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:30,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:30,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:30,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205884728] [2024-10-13 09:58:30,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:30,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:30,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:30,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:30,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:30,104 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-13 09:58:30,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 966 places, 971 transitions, 2068 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-13 09:58:30,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:30,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-13 09:58:30,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:40,936 INFO L124 PetriNetUnfolderBase]: 697/2511 cut-off events. [2024-10-13 09:58:40,937 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-13 09:58:40,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3389 conditions, 2511 events. 697/2511 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11412 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3206. Up to 793 conditions per place. [2024-10-13 09:58:40,958 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/970 dead transitions. [2024-10-13 09:58:40,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 970 transitions, 2156 flow [2024-10-13 09:58:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-10-13 09:58:40,967 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-10-13 09:58:40,967 INFO L175 Difference]: Start difference. First operand has 966 places, 971 transitions, 2068 flow. Second operand 3 states and 2992 transitions. [2024-10-13 09:58:40,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 970 transitions, 2156 flow [2024-10-13 09:58:40,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 970 transitions, 2036 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-13 09:58:40,985 INFO L231 Difference]: Finished difference. Result has 938 places, 970 transitions, 1950 flow [2024-10-13 09:58:40,987 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1946, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1950, PETRI_PLACES=938, PETRI_TRANSITIONS=970} [2024-10-13 09:58:40,987 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -752 predicate places. [2024-10-13 09:58:40,988 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 970 transitions, 1950 flow [2024-10-13 09:58:40,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-13 09:58:40,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:40,991 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:40,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:58:40,992 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-13 09:58:40,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:40,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1642664329, now seen corresponding path program 1 times [2024-10-13 09:58:40,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:40,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041590877] [2024-10-13 09:58:40,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:40,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:41,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:41,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:41,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041590877] [2024-10-13 09:58:41,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041590877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:41,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:41,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:41,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664041847] [2024-10-13 09:58:41,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:41,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:41,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:41,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:41,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:41,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-13 09:58:41,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 970 transitions, 1950 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-13 09:58:41,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:41,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-13 09:58:41,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:58:45,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 09:58:46,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-13 09:58:52,683 INFO L124 PetriNetUnfolderBase]: 697/2510 cut-off events. [2024-10-13 09:58:52,683 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-10-13 09:58:52,691 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3330 conditions, 2510 events. 697/2510 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 11520 event pairs, 135 based on Foata normal form. 0/2124 useless extension candidates. Maximal degree in co-relation 3239. Up to 793 conditions per place. [2024-10-13 09:58:52,702 INFO L140 encePairwiseOnDemand]: 1782/1785 looper letters, 43 selfloop transitions, 2 changer transitions 0/969 dead transitions. [2024-10-13 09:58:52,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 969 transitions, 2038 flow [2024-10-13 09:58:52,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:58:52,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:58:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2992 transitions. [2024-10-13 09:58:52,710 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5587301587301587 [2024-10-13 09:58:52,711 INFO L175 Difference]: Start difference. First operand has 938 places, 970 transitions, 1950 flow. Second operand 3 states and 2992 transitions. [2024-10-13 09:58:52,711 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 969 transitions, 2038 flow [2024-10-13 09:58:52,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 969 transitions, 2034 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:58:52,725 INFO L231 Difference]: Finished difference. Result has 937 places, 969 transitions, 1948 flow [2024-10-13 09:58:52,727 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1785, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=967, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1948, PETRI_PLACES=937, PETRI_TRANSITIONS=969} [2024-10-13 09:58:52,728 INFO L277 CegarLoopForPetriNet]: 1690 programPoint places, -753 predicate places. [2024-10-13 09:58:52,730 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 969 transitions, 1948 flow [2024-10-13 09:58:52,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-13 09:58:52,732 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:58:52,732 INFO L204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 09:58:52,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 09:58:52,733 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 1463 more)] === [2024-10-13 09:58:52,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:58:52,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1274354103, now seen corresponding path program 1 times [2024-10-13 09:58:52,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:58:52,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186705720] [2024-10-13 09:58:52,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:58:52,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:58:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:58:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:58:52,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:58:52,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186705720] [2024-10-13 09:58:52,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186705720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:58:52,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:58:52,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:58:52,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380644247] [2024-10-13 09:58:52,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:58:52,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:58:52,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:58:52,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:58:52,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:58:52,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 982 out of 1785 [2024-10-13 09:58:52,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 969 transitions, 1948 flow. Second operand has 3 states, 3 states have (on average 983.3333333333334) internal successors, (2950), 3 states have internal predecessors, (2950), 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) [2024-10-13 09:58:52,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:58:52,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 982 of 1785 [2024-10-13 09:58:52,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand