/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg true --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/pthread/triangular-longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:14:20,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:14:21,059 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-NoLbe.epf [2023-11-30 00:14:21,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:14:21,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:14:21,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:14:21,089 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:14:21,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:14:21,089 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:14:21,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:14:21,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:14:21,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:14:21,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:14:21,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:14:21,095 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:14:21,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:14:21,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:14:21,095 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:14:21,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:14:21,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:14:21,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:14:21,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:14:21,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:14:21,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:14:21,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:14:21,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:14:21,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:14:21,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:14:21,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:14:21,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:14:21,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:14:21,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:14:21,304 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:14:21,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/triangular-longest-1.i [2023-11-30 00:14:22,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:14:23,011 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:14:23,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-longest-1.i [2023-11-30 00:14:23,025 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05776af89/43e1fa1ca1cd4b719c06a8ca8fddf679/FLAG3bef7ca07 [2023-11-30 00:14:23,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05776af89/43e1fa1ca1cd4b719c06a8ca8fddf679 [2023-11-30 00:14:23,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:14:23,041 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:14:23,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:14:23,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:14:23,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:14:23,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581365c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23, skipping insertion in model container [2023-11-30 00:14:23,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:14:23,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:14:23,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:14:23,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:14:23,607 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:14:23,607 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:14:23,612 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:14:23,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23 WrapperNode [2023-11-30 00:14:23,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:14:23,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:14:23,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:14:23,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:14:23,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,654 INFO L138 Inliner]: procedures = 169, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-11-30 00:14:23,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:14:23,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:14:23,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:14:23,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:14:23,660 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,679 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:14:23,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:14:23,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:14:23,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:14:23,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (1/1) ... [2023-11-30 00:14:23,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:14:23,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:14:23,703 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) [2023-11-30 00:14:23,723 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 [2023-11-30 00:14:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-30 00:14:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-30 00:14:23,727 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-30 00:14:23,727 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-30 00:14:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:14:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 00:14:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:14:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:14:23,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:14:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:14:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 00:14:23,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:14:23,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:14:23,730 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-30 00:14:23,857 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:14:23,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:14:24,054 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:14:24,107 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:14:24,107 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-30 00:14:24,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:14:24 BoogieIcfgContainer [2023-11-30 00:14:24,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:14:24,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:14:24,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:14:24,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:14:24,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:14:23" (1/3) ... [2023-11-30 00:14:24,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486eff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:14:24, skipping insertion in model container [2023-11-30 00:14:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:14:23" (2/3) ... [2023-11-30 00:14:24,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486eff16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:14:24, skipping insertion in model container [2023-11-30 00:14:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:14:24" (3/3) ... [2023-11-30 00:14:24,146 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i [2023-11-30 00:14:24,157 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:14:24,158 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-30 00:14:24,158 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:14:24,211 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 00:14:24,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 164 flow [2023-11-30 00:14:24,312 INFO L124 PetriNetUnfolderBase]: 6/76 cut-off events. [2023-11-30 00:14:24,312 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:14:24,316 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 76 events. 6/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 119 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2023-11-30 00:14:24,316 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 78 transitions, 164 flow [2023-11-30 00:14:24,318 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 76 transitions, 158 flow [2023-11-30 00:14:24,342 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:14:24,361 INFO L362 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@711a7f08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:14:24,361 INFO L363 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2023-11-30 00:14:24,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:14:24,375 INFO L124 PetriNetUnfolderBase]: 1/28 cut-off events. [2023-11-30 00:14:24,375 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:14:24,376 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:14:24,376 INFO L232 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] [2023-11-30 00:14:24,377 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2023-11-30 00:14:24,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:14:24,383 INFO L85 PathProgramCache]: Analyzing trace with hash -820142565, now seen corresponding path program 1 times [2023-11-30 00:14:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:14:24,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782152455] [2023-11-30 00:14:24,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:14:24,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:14:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:14:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-30 00:14:24,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:14:24,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782152455] [2023-11-30 00:14:24,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782152455] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:14:24,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:14:24,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 00:14:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97371604] [2023-11-30 00:14:24,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:14:24,612 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 00:14:24,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:14:24,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 00:14:24,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 00:14:24,634 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 78 [2023-11-30 00:14:24,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 76 transitions, 158 flow. Second operand has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:14:24,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:14:24,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 78 [2023-11-30 00:14:24,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:14:24,682 INFO L124 PetriNetUnfolderBase]: 18/150 cut-off events. [2023-11-30 00:14:24,682 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-30 00:14:24,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 150 events. 18/150 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 502 event pairs, 10 based on Foata normal form. 26/164 useless extension candidates. Maximal degree in co-relation 165. Up to 31 conditions per place. [2023-11-30 00:14:24,684 INFO L140 encePairwiseOnDemand]: 68/78 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2023-11-30 00:14:24,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 63 transitions, 144 flow [2023-11-30 00:14:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 00:14:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 00:14:24,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 138 transitions. [2023-11-30 00:14:24,693 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8846153846153846 [2023-11-30 00:14:24,694 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 138 transitions. [2023-11-30 00:14:24,694 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 138 transitions. [2023-11-30 00:14:24,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:14:24,697 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 138 transitions. [2023-11-30 00:14:24,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:14:24,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:14:24,703 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:14:24,705 INFO L307 CegarLoopForPetriNet]: 77 programPoint places, -8 predicate places. [2023-11-30 00:14:24,706 INFO L500 AbstractCegarLoop]: Abstraction has has 69 places, 63 transitions, 144 flow [2023-11-30 00:14:24,706 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 00:14:24,710 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/triangular-longest-1.i_BEv2_AllErrorsAtOnce [2023-11-30 00:14:24,728 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2023-11-30 00:14:24,728 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2023-11-30 00:14:24,728 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2023-11-30 00:14:24,729 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2023-11-30 00:14:24,729 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2023-11-30 00:14:24,729 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2023-11-30 00:14:24,730 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2023-11-30 00:14:24,730 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2023-11-30 00:14:24,730 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2023-11-30 00:14:24,731 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2023-11-30 00:14:24,731 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2023-11-30 00:14:24,731 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2023-11-30 00:14:24,731 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:14:24,732 INFO L457 BasicCegarLoop]: Path program histogram: [1] [2023-11-30 00:14:24,741 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:14:24,741 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:14:24,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:14:24 BasicIcfg [2023-11-30 00:14:24,750 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:14:24,751 INFO L158 Benchmark]: Toolchain (without parser) took 1710.00ms. Allocated memory is still 457.2MB. Free memory was 401.7MB in the beginning and 381.9MB in the end (delta: 19.8MB). Peak memory consumption was 20.9MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,751 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 325.1MB. Free memory is still 273.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 00:14:24,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.50ms. Allocated memory is still 457.2MB. Free memory was 401.4MB in the beginning and 381.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.28ms. Allocated memory is still 457.2MB. Free memory was 381.7MB in the beginning and 379.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,753 INFO L158 Benchmark]: Boogie Preprocessor took 26.60ms. Allocated memory is still 457.2MB. Free memory was 379.7MB in the beginning and 378.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,754 INFO L158 Benchmark]: RCFGBuilder took 428.61ms. Allocated memory is still 457.2MB. Free memory was 378.3MB in the beginning and 362.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,755 INFO L158 Benchmark]: TraceAbstraction took 608.70ms. Allocated memory is still 457.2MB. Free memory was 420.9MB in the beginning and 381.9MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. [2023-11-30 00:14:24,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 325.1MB. Free memory is still 273.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 565.50ms. Allocated memory is still 457.2MB. Free memory was 401.4MB in the beginning and 381.7MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 41.28ms. Allocated memory is still 457.2MB. Free memory was 381.7MB in the beginning and 379.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 26.60ms. Allocated memory is still 457.2MB. Free memory was 379.7MB in the beginning and 378.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 428.61ms. Allocated memory is still 457.2MB. Free memory was 378.3MB in the beginning and 362.2MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.0GB. * TraceAbstraction took 608.70ms. Allocated memory is still 457.2MB. Free memory was 420.9MB in the beginning and 381.9MB in the end (delta: 39.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 706]: 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 5 procedures, 101 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 00:14:24,774 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...