/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/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 02:07:20,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 02:07:20,993 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 02:07:21,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 02:07:21,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 02:07:21,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 02:07:21,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 02:07:21,019 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 02:07:21,019 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 02:07:21,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 02:07:21,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 02:07:21,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 02:07:21,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 02:07:21,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 02:07:21,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 02:07:21,025 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 02:07:21,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 02:07:21,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 02:07:21,025 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 02:07:21,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 02:07:21,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:07:21,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 02:07:21,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 02:07:21,026 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 02:07:21,026 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 02:07:21,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 02:07:21,027 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 02:07:21,027 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 02:07:21,027 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 02:07:21,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 02:07:21,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 02:07:21,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 02:07:21,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 02:07:21,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 02:07:21,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 02:07:22,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 02:07:22,468 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 02:07:22,468 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 02:07:22,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdbbd7d9/39c95e8ae2ab41e2868683ad3b6deab0/FLAG81ac5e6c1 [2023-11-30 02:07:22,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbdbbd7d9/39c95e8ae2ab41e2868683ad3b6deab0 [2023-11-30 02:07:22,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 02:07:22,488 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 02:07:22,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 02:07:22,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 02:07:22,493 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 02:07:22,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b36994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22, skipping insertion in model container [2023-11-30 02:07:22,495 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 02:07:22,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:07:22,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 02:07:22,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 02:07:22,816 INFO L206 MainTranslator]: Completed translation [2023-11-30 02:07:22,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22 WrapperNode [2023-11-30 02:07:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 02:07:22,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 02:07:22,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 02:07:22,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 02:07:22,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,867 INFO L138 Inliner]: procedures = 163, calls = 48, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 108 [2023-11-30 02:07:22,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 02:07:22,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 02:07:22,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 02:07:22,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 02:07:22,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,895 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 02:07:22,896 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 02:07:22,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 02:07:22,896 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 02:07:22,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (1/1) ... [2023-11-30 02:07:22,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 02:07:22,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 02:07:22,936 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 02:07:22,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-30 02:07:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-30 02:07:22,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 02:07:22,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 02:07:22,960 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 02:07:22,946 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 02:07:23,044 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 02:07:23,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 02:07:23,323 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 02:07:23,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 02:07:23,346 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 02:07:23,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:07:23 BoogieIcfgContainer [2023-11-30 02:07:23,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 02:07:23,349 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 02:07:23,349 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 02:07:23,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 02:07:23,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:07:22" (1/3) ... [2023-11-30 02:07:23,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cec1eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:07:23, skipping insertion in model container [2023-11-30 02:07:23,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:07:22" (2/3) ... [2023-11-30 02:07:23,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cec1eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:07:23, skipping insertion in model container [2023-11-30 02:07:23,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:07:23" (3/3) ... [2023-11-30 02:07:23,353 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_29-multiple-protecting2-vesal_true.i [2023-11-30 02:07:23,381 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 02:07:23,381 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-30 02:07:23,381 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 02:07:23,448 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-30 02:07:23,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 157 transitions, 321 flow [2023-11-30 02:07:23,515 INFO L124 PetriNetUnfolderBase]: 6/156 cut-off events. [2023-11-30 02:07:23,515 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:07:23,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 156 events. 6/156 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 168 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 113. Up to 2 conditions per place. [2023-11-30 02:07:23,520 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 157 transitions, 321 flow [2023-11-30 02:07:23,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 148 transitions, 299 flow [2023-11-30 02:07:23,534 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 02:07:23,538 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;@50b0cd38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 02:07:23,538 INFO L363 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-30 02:07:23,545 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 02:07:23,545 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2023-11-30 02:07:23,545 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 02:07:23,546 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:07:23,546 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-30 02:07:23,546 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 02:07:23,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:07:23,550 INFO L85 PathProgramCache]: Analyzing trace with hash 378124172, now seen corresponding path program 1 times [2023-11-30 02:07:23,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:07:23,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607791524] [2023-11-30 02:07:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:07:23,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:07:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:07:23,725 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 02:07:23,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:07:23,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607791524] [2023-11-30 02:07:23,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607791524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:07:23,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:07:23,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:07:23,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812866446] [2023-11-30 02:07:23,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:07:23,734 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:07:23,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:07:23,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:07:23,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:07:23,763 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 157 [2023-11-30 02:07:23,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 148 transitions, 299 flow. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 02:07:23,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:07:23,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 157 [2023-11-30 02:07:23,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:07:24,027 INFO L124 PetriNetUnfolderBase]: 349/1650 cut-off events. [2023-11-30 02:07:24,028 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-30 02:07:24,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 1650 events. 349/1650 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 11708 event pairs, 82 based on Foata normal form. 138/1612 useless extension candidates. Maximal degree in co-relation 2374. Up to 460 conditions per place. [2023-11-30 02:07:24,040 INFO L140 encePairwiseOnDemand]: 136/157 looper letters, 50 selfloop transitions, 10 changer transitions 0/157 dead transitions. [2023-11-30 02:07:24,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 157 transitions, 437 flow [2023-11-30 02:07:24,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:07:24,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:07:24,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2023-11-30 02:07:24,055 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8704883227176221 [2023-11-30 02:07:24,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 410 transitions. [2023-11-30 02:07:24,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 410 transitions. [2023-11-30 02:07:24,059 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:07:24,061 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 410 transitions. [2023-11-30 02:07:24,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-30 02:07:24,068 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:24,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:24,073 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, -9 predicate places. [2023-11-30 02:07:24,073 INFO L500 AbstractCegarLoop]: Abstraction has has 137 places, 157 transitions, 437 flow [2023-11-30 02:07:24,073 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 02:07:24,074 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:07:24,074 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, 1, 1, 1, 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 02:07:24,074 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 02:07:24,074 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting t2_funErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 02:07:24,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:07:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash -443162326, now seen corresponding path program 1 times [2023-11-30 02:07:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:07:24,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923368772] [2023-11-30 02:07:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:07:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:07:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:07:24,163 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 02:07:24,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:07:24,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923368772] [2023-11-30 02:07:24,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923368772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:07:24,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:07:24,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:07:24,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183250471] [2023-11-30 02:07:24,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:07:24,165 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:07:24,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:07:24,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:07:24,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:07:24,166 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 157 [2023-11-30 02:07:24,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 157 transitions, 437 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 02:07:24,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:07:24,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 157 [2023-11-30 02:07:24,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:07:24,433 INFO L124 PetriNetUnfolderBase]: 393/1864 cut-off events. [2023-11-30 02:07:24,433 INFO L125 PetriNetUnfolderBase]: For 296/399 co-relation queries the response was YES. [2023-11-30 02:07:24,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3517 conditions, 1864 events. 393/1864 cut-off events. For 296/399 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 13714 event pairs, 90 based on Foata normal form. 13/1706 useless extension candidates. Maximal degree in co-relation 3474. Up to 756 conditions per place. [2023-11-30 02:07:24,441 INFO L140 encePairwiseOnDemand]: 150/157 looper letters, 83 selfloop transitions, 8 changer transitions 0/186 dead transitions. [2023-11-30 02:07:24,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 186 transitions, 733 flow [2023-11-30 02:07:24,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:07:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:07:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2023-11-30 02:07:24,442 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8131634819532909 [2023-11-30 02:07:24,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 383 transitions. [2023-11-30 02:07:24,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 383 transitions. [2023-11-30 02:07:24,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:07:24,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 383 transitions. [2023-11-30 02:07:24,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.66666666666667) internal successors, (383), 3 states have internal predecessors, (383), 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 02:07:24,445 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:24,446 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:24,446 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2023-11-30 02:07:24,446 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 186 transitions, 733 flow [2023-11-30 02:07:24,447 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 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 02:07:24,447 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:07:24,447 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:24,447 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 02:07:24,447 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 02:07:24,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:07:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1099036146, now seen corresponding path program 1 times [2023-11-30 02:07:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:07:24,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905847772] [2023-11-30 02:07:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:07:24,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:07:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:07:24,708 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 02:07:24,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:07:24,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905847772] [2023-11-30 02:07:24,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905847772] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:07:24,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:07:24,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-30 02:07:24,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894211410] [2023-11-30 02:07:24,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:07:24,710 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:07:24,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:07:24,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:07:24,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:07:24,711 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 157 [2023-11-30 02:07:24,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 186 transitions, 733 flow. Second operand has 6 states, 6 states have (on average 122.83333333333333) internal successors, (737), 6 states have internal predecessors, (737), 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 02:07:24,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:07:24,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 157 [2023-11-30 02:07:24,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:07:24,831 INFO L124 PetriNetUnfolderBase]: 103/731 cut-off events. [2023-11-30 02:07:24,832 INFO L125 PetriNetUnfolderBase]: For 347/353 co-relation queries the response was YES. [2023-11-30 02:07:24,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1525 conditions, 731 events. 103/731 cut-off events. For 347/353 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3737 event pairs, 9 based on Foata normal form. 44/737 useless extension candidates. Maximal degree in co-relation 1468. Up to 283 conditions per place. [2023-11-30 02:07:24,835 INFO L140 encePairwiseOnDemand]: 146/157 looper letters, 37 selfloop transitions, 16 changer transitions 0/156 dead transitions. [2023-11-30 02:07:24,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 156 transitions, 661 flow [2023-11-30 02:07:24,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-30 02:07:24,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-30 02:07:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 639 transitions. [2023-11-30 02:07:24,841 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8140127388535032 [2023-11-30 02:07:24,841 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 639 transitions. [2023-11-30 02:07:24,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 639 transitions. [2023-11-30 02:07:24,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:07:24,841 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 639 transitions. [2023-11-30 02:07:24,842 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 127.8) internal successors, (639), 5 states have internal predecessors, (639), 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 02:07:24,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 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 02:07:24,844 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 157.0) internal successors, (942), 6 states have internal predecessors, (942), 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 02:07:24,845 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, -7 predicate places. [2023-11-30 02:07:24,845 INFO L500 AbstractCegarLoop]: Abstraction has has 139 places, 156 transitions, 661 flow [2023-11-30 02:07:24,846 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.83333333333333) internal successors, (737), 6 states have internal predecessors, (737), 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 02:07:24,846 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:07:24,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:24,846 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 02:07:24,848 INFO L425 AbstractCegarLoop]: === Iteration 4 === Targeting t2_funErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 02:07:24,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:07:24,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1002293046, now seen corresponding path program 1 times [2023-11-30 02:07:24,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:07:24,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484267970] [2023-11-30 02:07:24,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:07:24,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:07:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:07:24,910 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 02:07:24,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:07:24,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484267970] [2023-11-30 02:07:24,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484267970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:07:24,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:07:24,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 02:07:24,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264991171] [2023-11-30 02:07:24,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:07:24,914 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 02:07:24,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:07:24,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 02:07:24,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 02:07:24,916 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 157 [2023-11-30 02:07:24,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 156 transitions, 661 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 02:07:24,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:07:24,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 157 [2023-11-30 02:07:24,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:07:25,022 INFO L124 PetriNetUnfolderBase]: 107/736 cut-off events. [2023-11-30 02:07:25,022 INFO L125 PetriNetUnfolderBase]: For 623/629 co-relation queries the response was YES. [2023-11-30 02:07:25,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 736 events. 107/736 cut-off events. For 623/629 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3747 event pairs, 10 based on Foata normal form. 0/706 useless extension candidates. Maximal degree in co-relation 1770. Up to 279 conditions per place. [2023-11-30 02:07:25,025 INFO L140 encePairwiseOnDemand]: 154/157 looper letters, 62 selfloop transitions, 2 changer transitions 0/159 dead transitions. [2023-11-30 02:07:25,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 159 transitions, 815 flow [2023-11-30 02:07:25,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 02:07:25,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 02:07:25,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 363 transitions. [2023-11-30 02:07:25,027 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7707006369426752 [2023-11-30 02:07:25,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 363 transitions. [2023-11-30 02:07:25,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 363 transitions. [2023-11-30 02:07:25,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:07:25,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 363 transitions. [2023-11-30 02:07:25,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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 02:07:25,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:25,029 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 157.0) internal successors, (628), 4 states have internal predecessors, (628), 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 02:07:25,031 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, -6 predicate places. [2023-11-30 02:07:25,031 INFO L500 AbstractCegarLoop]: Abstraction has has 140 places, 159 transitions, 815 flow [2023-11-30 02:07:25,031 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 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 02:07:25,031 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 02:07:25,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:25,031 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-30 02:07:25,032 INFO L425 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-30 02:07:25,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 02:07:25,032 INFO L85 PathProgramCache]: Analyzing trace with hash 576870361, now seen corresponding path program 1 times [2023-11-30 02:07:25,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 02:07:25,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033204245] [2023-11-30 02:07:25,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 02:07:25,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 02:07:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 02:07:25,466 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 02:07:25,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 02:07:25,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033204245] [2023-11-30 02:07:25,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033204245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 02:07:25,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 02:07:25,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-30 02:07:25,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765335037] [2023-11-30 02:07:25,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 02:07:25,468 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-30 02:07:25,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 02:07:25,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-30 02:07:25,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-30 02:07:25,471 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 157 [2023-11-30 02:07:25,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 159 transitions, 815 flow. Second operand has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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 02:07:25,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 02:07:25,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 157 [2023-11-30 02:07:25,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 02:07:25,601 INFO L124 PetriNetUnfolderBase]: 168/845 cut-off events. [2023-11-30 02:07:25,601 INFO L125 PetriNetUnfolderBase]: For 1598/1662 co-relation queries the response was YES. [2023-11-30 02:07:25,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2576 conditions, 845 events. 168/845 cut-off events. For 1598/1662 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4527 event pairs, 16 based on Foata normal form. 0/825 useless extension candidates. Maximal degree in co-relation 2512. Up to 348 conditions per place. [2023-11-30 02:07:25,603 INFO L140 encePairwiseOnDemand]: 152/157 looper letters, 0 selfloop transitions, 0 changer transitions 198/198 dead transitions. [2023-11-30 02:07:25,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 198 transitions, 1401 flow [2023-11-30 02:07:25,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-30 02:07:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-30 02:07:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 763 transitions. [2023-11-30 02:07:25,605 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8099787685774947 [2023-11-30 02:07:25,605 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 763 transitions. [2023-11-30 02:07:25,605 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 763 transitions. [2023-11-30 02:07:25,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 02:07:25,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 763 transitions. [2023-11-30 02:07:25,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.16666666666667) internal successors, (763), 6 states have internal predecessors, (763), 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 02:07:25,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 157.0) internal successors, (1099), 7 states have internal predecessors, (1099), 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 02:07:25,609 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 157.0) internal successors, (1099), 7 states have internal predecessors, (1099), 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 02:07:25,610 INFO L307 CegarLoopForPetriNet]: 146 programPoint places, -2 predicate places. [2023-11-30 02:07:25,611 INFO L500 AbstractCegarLoop]: Abstraction has has 144 places, 198 transitions, 1401 flow [2023-11-30 02:07:25,611 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 122.0) internal successors, (732), 6 states have internal predecessors, (732), 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 02:07:25,616 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_29-multiple-protecting2-vesal_true.i_BEv2_AllErrorsAtOnce [2023-11-30 02:07:25,642 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (12 of 13 remaining) [2023-11-30 02:07:25,643 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (11 of 13 remaining) [2023-11-30 02:07:25,643 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (10 of 13 remaining) [2023-11-30 02:07:25,643 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (9 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2023-11-30 02:07:25,644 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 13 remaining) [2023-11-30 02:07:25,647 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 13 remaining) [2023-11-30 02:07:25,648 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 13 remaining) [2023-11-30 02:07:25,648 INFO L810 garLoopResultBuilder]: Registering result SAFE for location t2_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 13 remaining) [2023-11-30 02:07:25,649 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-30 02:07:25,651 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-30 02:07:25,656 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 02:07:25,656 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 02:07:25,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:07:25 BasicIcfg [2023-11-30 02:07:25,663 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 02:07:25,664 INFO L158 Benchmark]: Toolchain (without parser) took 3175.81ms. Allocated memory is still 564.1MB. Free memory was 516.7MB in the beginning and 355.5MB in the end (delta: 161.2MB). Peak memory consumption was 164.1MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,664 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 333.4MB. Free memory was 283.7MB in the beginning and 283.6MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.0GB. [2023-11-30 02:07:25,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.22ms. Allocated memory is still 564.1MB. Free memory was 516.7MB in the beginning and 496.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.94ms. Allocated memory is still 564.1MB. Free memory was 496.8MB in the beginning and 494.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,667 INFO L158 Benchmark]: Boogie Preprocessor took 27.17ms. Allocated memory is still 564.1MB. Free memory was 494.4MB in the beginning and 492.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,668 INFO L158 Benchmark]: RCFGBuilder took 452.07ms. Allocated memory is still 564.1MB. Free memory was 492.7MB in the beginning and 472.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,668 INFO L158 Benchmark]: TraceAbstraction took 2314.40ms. Allocated memory is still 564.1MB. Free memory was 471.8MB in the beginning and 355.5MB in the end (delta: 116.3MB). Peak memory consumption was 118.0MB. Max. memory is 16.0GB. [2023-11-30 02:07:25,669 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 333.4MB. Free memory was 283.7MB in the beginning and 283.6MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 326.22ms. Allocated memory is still 564.1MB. Free memory was 516.7MB in the beginning and 496.8MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 49.94ms. Allocated memory is still 564.1MB. Free memory was 496.8MB in the beginning and 494.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 27.17ms. Allocated memory is still 564.1MB. Free memory was 494.4MB in the beginning and 492.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 452.07ms. Allocated memory is still 564.1MB. Free memory was 492.7MB in the beginning and 472.5MB in the end (delta: 20.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * TraceAbstraction took 2314.40ms. Allocated memory is still 564.1MB. Free memory was 471.8MB in the beginning and 355.5MB in the end (delta: 116.3MB). Peak memory consumption was 118.0MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: 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: 710]: 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, 191 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 322 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 59 mSDtfsCounter, 322 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1401occurred in iteration=5, InterpolantAutomatonStates: 20, 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, 0.8s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 478 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 02:07:25,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...