/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 17:57:48,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 17:57:48,634 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-25 17:57:48,638 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 17:57:48,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 17:57:48,667 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 17:57:48,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 17:57:48,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 17:57:48,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 17:57:48,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 17:57:48,672 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 17:57:48,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 17:57:48,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 17:57:48,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 17:57:48,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 17:57:48,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 17:57:48,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 17:57:48,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 17:57:48,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 17:57:48,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 17:57:48,675 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 17:57:48,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 17:57:48,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 17:57:48,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 17:57:48,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 17:57:48,677 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 17:57:48,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 17:57:48,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:57:48,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 17:57:48,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 17:57:48,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 17:57:48,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 17:57:48,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 17:57:48,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 17:57:48,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 17:57:48,680 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 17:57:48,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 17:57:48,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 17:57:48,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 17:57:48,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 17:57:48,984 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 17:57:48,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-08-25 17:57:50,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 17:57:50,454 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 17:57:50,454 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_36-traces-ex-3_true.i [2023-08-25 17:57:50,482 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315d90245/c19e6740bc734a718cf0dafae0f44590/FLAG92ac44d3e [2023-08-25 17:57:50,498 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/315d90245/c19e6740bc734a718cf0dafae0f44590 [2023-08-25 17:57:50,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 17:57:50,504 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 17:57:50,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 17:57:50,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 17:57:50,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 17:57:50,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24faded0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50, skipping insertion in model container [2023-08-25 17:57:50,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,556 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 17:57:50,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:57:50,870 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 17:57:50,885 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [231] [2023-08-25 17:57:50,887 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [232] [2023-08-25 17:57:50,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:57:50,934 INFO L206 MainTranslator]: Completed translation [2023-08-25 17:57:50,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50 WrapperNode [2023-08-25 17:57:50,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 17:57:50,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 17:57:50,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 17:57:50,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 17:57:50,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,971 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-08-25 17:57:50,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 17:57:50,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 17:57:50,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 17:57:50,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 17:57:50,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 17:57:50,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 17:57:50,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 17:57:50,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 17:57:50,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (1/1) ... [2023-08-25 17:57:50,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:57:51,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 17:57:51,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-25 17:57:51,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-25 17:57:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-25 17:57:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 17:57:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 17:57:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 17:57:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 17:57:51,077 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 17:57:51,192 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 17:57:51,194 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 17:57:51,319 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 17:57:51,325 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 17:57:51,325 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 17:57:51,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:57:51 BoogieIcfgContainer [2023-08-25 17:57:51,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 17:57:51,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 17:57:51,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 17:57:51,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 17:57:51,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:57:50" (1/3) ... [2023-08-25 17:57:51,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce623d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:57:51, skipping insertion in model container [2023-08-25 17:57:51,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:57:50" (2/3) ... [2023-08-25 17:57:51,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce623d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:57:51, skipping insertion in model container [2023-08-25 17:57:51,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:57:51" (3/3) ... [2023-08-25 17:57:51,334 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_36-traces-ex-3_true.i [2023-08-25 17:57:51,350 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 17:57:51,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-25 17:57:51,351 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 17:57:51,394 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 17:57:51,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 81 places, 79 transitions, 163 flow [2023-08-25 17:57:51,461 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2023-08-25 17:57:51,461 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:57:51,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 17:57:51,466 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 79 transitions, 163 flow [2023-08-25 17:57:51,469 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 78 transitions, 159 flow [2023-08-25 17:57:51,472 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 17:57:51,480 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 78 transitions, 159 flow [2023-08-25 17:57:51,483 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 78 transitions, 159 flow [2023-08-25 17:57:51,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 80 places, 78 transitions, 159 flow [2023-08-25 17:57:51,516 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2023-08-25 17:57:51,517 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:57:51,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82 conditions, 78 events. 2/78 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-08-25 17:57:51,519 INFO L119 LiptonReduction]: Number of co-enabled transitions 1176 [2023-08-25 17:57:53,865 INFO L134 LiptonReduction]: Checked pairs total: 4169 [2023-08-25 17:57:53,865 INFO L136 LiptonReduction]: Total number of compositions: 63 [2023-08-25 17:57:53,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-25 17:57:53,882 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=false, 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;@78be1641, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-25 17:57:53,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-08-25 17:57:53,886 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-25 17:57:53,886 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2023-08-25 17:57:53,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:57:53,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 17:57:53,887 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-25 17:57:53,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 17:57:53,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 17:57:53,891 INFO L85 PathProgramCache]: Analyzing trace with hash -306951884, now seen corresponding path program 1 times [2023-08-25 17:57:53,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 17:57:53,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602753622] [2023-08-25 17:57:53,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 17:57:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 17:57:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 17:57:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 17:57:54,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 17:57:54,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602753622] [2023-08-25 17:57:54,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602753622] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 17:57:54,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 17:57:54,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 17:57:54,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855607841] [2023-08-25 17:57:54,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 17:57:54,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 17:57:54,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 17:57:54,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 17:57:54,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 17:57:54,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 142 [2023-08-25 17:57:54,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 25 transitions, 53 flow. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,128 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 17:57:54,128 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 142 [2023-08-25 17:57:54,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 17:57:54,227 INFO L124 PetriNetUnfolderBase]: 117/262 cut-off events. [2023-08-25 17:57:54,227 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:57:54,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 526 conditions, 262 events. 117/262 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1022 event pairs, 87 based on Foata normal form. 15/215 useless extension candidates. Maximal degree in co-relation 517. Up to 217 conditions per place. [2023-08-25 17:57:54,230 INFO L140 encePairwiseOnDemand]: 136/142 looper letters, 30 selfloop transitions, 4 changer transitions 0/35 dead transitions. [2023-08-25 17:57:54,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 35 transitions, 141 flow [2023-08-25 17:57:54,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 17:57:54,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 17:57:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 229 transitions. [2023-08-25 17:57:54,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5375586854460094 [2023-08-25 17:57:54,241 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 229 transitions. [2023-08-25 17:57:54,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 229 transitions. [2023-08-25 17:57:54,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 17:57:54,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 229 transitions. [2023-08-25 17:57:54,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,251 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,253 INFO L175 Difference]: Start difference. First operand has 28 places, 25 transitions, 53 flow. Second operand 3 states and 229 transitions. [2023-08-25 17:57:54,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 35 transitions, 141 flow [2023-08-25 17:57:54,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 35 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-25 17:57:54,256 INFO L231 Difference]: Finished difference. Result has 31 places, 27 transitions, 80 flow [2023-08-25 17:57:54,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=31, PETRI_TRANSITIONS=27} [2023-08-25 17:57:54,261 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 3 predicate places. [2023-08-25 17:57:54,261 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 27 transitions, 80 flow [2023-08-25 17:57:54,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 17:57:54,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-25 17:57:54,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-25 17:57:54,262 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 17:57:54,262 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 17:57:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash -901880094, now seen corresponding path program 1 times [2023-08-25 17:57:54,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 17:57:54,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492572441] [2023-08-25 17:57:54,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 17:57:54,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 17:57:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 17:57:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 17:57:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 17:57:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492572441] [2023-08-25 17:57:54,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492572441] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 17:57:54,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 17:57:54,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 17:57:54,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334497397] [2023-08-25 17:57:54,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 17:57:54,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 17:57:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 17:57:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 17:57:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 17:57:54,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 142 [2023-08-25 17:57:54,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 27 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 17:57:54,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 142 [2023-08-25 17:57:54,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 17:57:54,394 INFO L124 PetriNetUnfolderBase]: 149/341 cut-off events. [2023-08-25 17:57:54,394 INFO L125 PetriNetUnfolderBase]: For 68/70 co-relation queries the response was YES. [2023-08-25 17:57:54,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 788 conditions, 341 events. 149/341 cut-off events. For 68/70 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1540 event pairs, 39 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 778. Up to 173 conditions per place. [2023-08-25 17:57:54,397 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 37 selfloop transitions, 5 changer transitions 0/43 dead transitions. [2023-08-25 17:57:54,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 43 transitions, 206 flow [2023-08-25 17:57:54,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 17:57:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 17:57:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 238 transitions. [2023-08-25 17:57:54,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5586854460093896 [2023-08-25 17:57:54,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 238 transitions. [2023-08-25 17:57:54,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 238 transitions. [2023-08-25 17:57:54,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 17:57:54,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 238 transitions. [2023-08-25 17:57:54,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,402 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,403 INFO L175 Difference]: Start difference. First operand has 31 places, 27 transitions, 80 flow. Second operand 3 states and 238 transitions. [2023-08-25 17:57:54,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 43 transitions, 206 flow [2023-08-25 17:57:54,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 43 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 17:57:54,405 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 108 flow [2023-08-25 17:57:54,405 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2023-08-25 17:57:54,406 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 5 predicate places. [2023-08-25 17:57:54,406 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 108 flow [2023-08-25 17:57:54,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,406 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 17:57:54,406 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 17:57:54,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-25 17:57:54,407 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 17:57:54,407 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 17:57:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2106488437, now seen corresponding path program 1 times [2023-08-25 17:57:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 17:57:54,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676222673] [2023-08-25 17:57:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 17:57:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 17:57:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 17:57:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 17:57:54,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 17:57:54,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676222673] [2023-08-25 17:57:54,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676222673] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 17:57:54,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 17:57:54,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-25 17:57:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528629075] [2023-08-25 17:57:54,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 17:57:54,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 17:57:54,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 17:57:54,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 17:57:54,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 17:57:54,544 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 71 out of 142 [2023-08-25 17:57:54,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 17:57:54,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 71 of 142 [2023-08-25 17:57:54,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 17:57:54,584 INFO L124 PetriNetUnfolderBase]: 78/227 cut-off events. [2023-08-25 17:57:54,585 INFO L125 PetriNetUnfolderBase]: For 91/103 co-relation queries the response was YES. [2023-08-25 17:57:54,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524 conditions, 227 events. 78/227 cut-off events. For 91/103 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1076 event pairs, 32 based on Foata normal form. 4/203 useless extension candidates. Maximal degree in co-relation 513. Up to 93 conditions per place. [2023-08-25 17:57:54,587 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 20 selfloop transitions, 3 changer transitions 0/35 dead transitions. [2023-08-25 17:57:54,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 35 transitions, 170 flow [2023-08-25 17:57:54,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 17:57:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 17:57:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 236 transitions. [2023-08-25 17:57:54,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5539906103286385 [2023-08-25 17:57:54,589 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 236 transitions. [2023-08-25 17:57:54,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 236 transitions. [2023-08-25 17:57:54,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 17:57:54,589 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 236 transitions. [2023-08-25 17:57:54,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,591 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,591 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,592 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 108 flow. Second operand 3 states and 236 transitions. [2023-08-25 17:57:54,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 35 transitions, 170 flow [2023-08-25 17:57:54,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 35 transitions, 158 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 17:57:54,595 INFO L231 Difference]: Finished difference. Result has 34 places, 30 transitions, 111 flow [2023-08-25 17:57:54,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=111, PETRI_PLACES=34, PETRI_TRANSITIONS=30} [2023-08-25 17:57:54,597 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 6 predicate places. [2023-08-25 17:57:54,599 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 30 transitions, 111 flow [2023-08-25 17:57:54,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 17:57:54,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 17:57:54,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-25 17:57:54,601 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 17:57:54,601 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 17:57:54,601 INFO L85 PathProgramCache]: Analyzing trace with hash 601603692, now seen corresponding path program 1 times [2023-08-25 17:57:54,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 17:57:54,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320776738] [2023-08-25 17:57:54,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 17:57:54,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 17:57:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 17:57:54,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 17:57:54,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 17:57:54,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320776738] [2023-08-25 17:57:54,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320776738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 17:57:54,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 17:57:54,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-08-25 17:57:54,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271864654] [2023-08-25 17:57:54,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 17:57:54,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-25 17:57:54,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 17:57:54,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-25 17:57:54,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-25 17:57:54,716 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 142 [2023-08-25 17:57:54,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 30 transitions, 111 flow. Second operand has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 17:57:54,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 142 [2023-08-25 17:57:54,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 17:57:54,749 INFO L124 PetriNetUnfolderBase]: 14/72 cut-off events. [2023-08-25 17:57:54,749 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-08-25 17:57:54,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 72 events. 14/72 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 169 event pairs, 2 based on Foata normal form. 9/81 useless extension candidates. Maximal degree in co-relation 160. Up to 42 conditions per place. [2023-08-25 17:57:54,750 INFO L140 encePairwiseOnDemand]: 137/142 looper letters, 11 selfloop transitions, 4 changer transitions 2/23 dead transitions. [2023-08-25 17:57:54,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 23 transitions, 111 flow [2023-08-25 17:57:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-25 17:57:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-25 17:57:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 239 transitions. [2023-08-25 17:57:54,751 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42077464788732394 [2023-08-25 17:57:54,752 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 239 transitions. [2023-08-25 17:57:54,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 239 transitions. [2023-08-25 17:57:54,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 17:57:54,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 239 transitions. [2023-08-25 17:57:54,753 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 59.75) internal successors, (239), 4 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,754 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 142.0) internal successors, (710), 5 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,754 INFO L175 Difference]: Start difference. First operand has 34 places, 30 transitions, 111 flow. Second operand 4 states and 239 transitions. [2023-08-25 17:57:54,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 23 transitions, 111 flow [2023-08-25 17:57:54,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 23 transitions, 88 flow, removed 4 selfloop flow, removed 5 redundant places. [2023-08-25 17:57:54,756 INFO L231 Difference]: Finished difference. Result has 28 places, 19 transitions, 54 flow [2023-08-25 17:57:54,756 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=54, PETRI_PLACES=28, PETRI_TRANSITIONS=19} [2023-08-25 17:57:54,756 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, 0 predicate places. [2023-08-25 17:57:54,757 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 19 transitions, 54 flow [2023-08-25 17:57:54,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 56.6) internal successors, (283), 5 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,757 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-25 17:57:54,757 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-25 17:57:54,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-25 17:57:54,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-08-25 17:57:54,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-25 17:57:54,758 INFO L85 PathProgramCache]: Analyzing trace with hash 2069969200, now seen corresponding path program 1 times [2023-08-25 17:57:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-25 17:57:54,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230331204] [2023-08-25 17:57:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-25 17:57:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-25 17:57:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-25 17:57:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-25 17:57:54,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-25 17:57:54,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230331204] [2023-08-25 17:57:54,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230331204] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-25 17:57:54,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-25 17:57:54,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-25 17:57:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855777894] [2023-08-25 17:57:54,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-25 17:57:54,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-25 17:57:54,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-25 17:57:54,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-25 17:57:54,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-25 17:57:54,783 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 142 [2023-08-25 17:57:54,783 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 19 transitions, 54 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-25 17:57:54,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 142 [2023-08-25 17:57:54,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-25 17:57:54,807 INFO L124 PetriNetUnfolderBase]: 16/57 cut-off events. [2023-08-25 17:57:54,807 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2023-08-25 17:57:54,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 57 events. 16/57 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 108 event pairs, 14 based on Foata normal form. 4/61 useless extension candidates. Maximal degree in co-relation 120. Up to 51 conditions per place. [2023-08-25 17:57:54,807 INFO L140 encePairwiseOnDemand]: 140/142 looper letters, 0 selfloop transitions, 0 changer transitions 20/20 dead transitions. [2023-08-25 17:57:54,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 20 transitions, 94 flow [2023-08-25 17:57:54,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-25 17:57:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-25 17:57:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 211 transitions. [2023-08-25 17:57:54,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4953051643192488 [2023-08-25 17:57:54,809 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 211 transitions. [2023-08-25 17:57:54,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 211 transitions. [2023-08-25 17:57:54,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-25 17:57:54,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 211 transitions. [2023-08-25 17:57:54,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,811 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,811 INFO L175 Difference]: Start difference. First operand has 28 places, 19 transitions, 54 flow. Second operand 3 states and 211 transitions. [2023-08-25 17:57:54,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 20 transitions, 94 flow [2023-08-25 17:57:54,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 20 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-25 17:57:54,812 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2023-08-25 17:57:54,812 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=142, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2023-08-25 17:57:54,813 INFO L281 CegarLoopForPetriNet]: 28 programPoint places, -3 predicate places. [2023-08-25 17:57:54,813 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2023-08-25 17:57:54,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-25 17:57:54,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-08-25 17:57:54,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONASSERT (5 of 7 remaining) [2023-08-25 17:57:54,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2023-08-25 17:57:54,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2023-08-25 17:57:54,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-08-25 17:57:54,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-08-25 17:57:54,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-08-25 17:57:54,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-25 17:57:54,817 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-25 17:57:54,821 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-25 17:57:54,821 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-25 17:57:54,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 05:57:54 BasicIcfg [2023-08-25 17:57:54,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-25 17:57:54,825 INFO L158 Benchmark]: Toolchain (without parser) took 4320.95ms. Allocated memory was 369.1MB in the beginning and 444.6MB in the end (delta: 75.5MB). Free memory was 344.3MB in the beginning and 310.6MB in the end (delta: 33.6MB). Peak memory consumption was 109.6MB. Max. memory is 16.0GB. [2023-08-25 17:57:54,825 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 369.1MB. Free memory is still 345.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 17:57:54,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.09ms. Allocated memory is still 369.1MB. Free memory was 344.3MB in the beginning and 325.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-25 17:57:54,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.47ms. Allocated memory is still 369.1MB. Free memory was 325.4MB in the beginning and 323.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 17:57:54,826 INFO L158 Benchmark]: Boogie Preprocessor took 20.06ms. Allocated memory is still 369.1MB. Free memory was 323.3MB in the beginning and 321.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 17:57:54,827 INFO L158 Benchmark]: RCFGBuilder took 333.71ms. Allocated memory is still 369.1MB. Free memory was 321.8MB in the beginning and 308.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-08-25 17:57:54,827 INFO L158 Benchmark]: TraceAbstraction took 3495.76ms. Allocated memory was 369.1MB in the beginning and 444.6MB in the end (delta: 75.5MB). Free memory was 307.6MB in the beginning and 310.6MB in the end (delta: -3.0MB). Peak memory consumption was 74.0MB. Max. memory is 16.0GB. [2023-08-25 17:57:54,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 369.1MB. Free memory is still 345.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 429.09ms. Allocated memory is still 369.1MB. Free memory was 344.3MB in the beginning and 325.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 36.47ms. Allocated memory is still 369.1MB. Free memory was 325.4MB in the beginning and 323.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 20.06ms. Allocated memory is still 369.1MB. Free memory was 323.3MB in the beginning and 321.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 333.71ms. Allocated memory is still 369.1MB. Free memory was 321.8MB in the beginning and 308.6MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 3495.76ms. Allocated memory was 369.1MB in the beginning and 444.6MB in the end (delta: 75.5MB). Free memory was 307.6MB in the beginning and 310.6MB in the end (delta: -3.0MB). Peak memory consumption was 74.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 231]: Unsoundness Warning unspecified type, defaulting to int C: short [231] - GenericResultAtLocation [Line: 232]: Unsoundness Warning unspecified type, defaulting to int C: short [232] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.4s, 80 PlacesBefore, 28 PlacesAfterwards, 78 TransitionsBefore, 25 TransitionsAfterwards, 1176 CoEnabledTransitionPairs, 6 FixpointIterations, 27 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 63 TotalNumberOfCompositions, 4169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1564, independent: 1310, independent conditional: 0, independent unconditional: 1310, dependent: 254, dependent conditional: 0, dependent unconditional: 254, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 638, independent: 593, independent conditional: 0, independent unconditional: 593, dependent: 45, dependent conditional: 0, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1564, independent: 717, independent conditional: 0, independent unconditional: 717, dependent: 209, dependent conditional: 0, dependent unconditional: 209, unknown: 638, unknown conditional: 0, unknown unconditional: 638] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 58, Positive conditional cache size: 0, Positive unconditional cache size: 58, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 18]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 686]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 101 locations, 7 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: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 181 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 17 mSDtfsCounter, 181 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.3s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-25 17:57:54,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...