/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-wmm/safe021_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.empire-owicki-175f719-m [2023-11-30 00:59:41,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-30 00:59:41,168 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 00:59:41,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-30 00:59:41,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-30 00:59:41,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-30 00:59:41,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-30 00:59:41,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-30 00:59:41,194 INFO L153 SettingsManager]: * Use SBE=true [2023-11-30 00:59:41,196 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-30 00:59:41,197 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-30 00:59:41,197 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-30 00:59:41,197 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-30 00:59:41,198 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-30 00:59:41,198 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-30 00:59:41,198 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-30 00:59:41,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-30 00:59:41,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-30 00:59:41,199 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-30 00:59:41,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-30 00:59:41,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-30 00:59:41,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-30 00:59:41,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-30 00:59:41,200 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-30 00:59:41,200 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-30 00:59:41,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:59:41,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-30 00:59:41,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-30 00:59:41,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-30 00:59:41,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-30 00:59:41,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-30 00:59:41,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-30 00:59:41,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-30 00:59:41,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2023-11-30 00:59:41,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-30 00:59:41,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-30 00:59:41,391 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-30 00:59:41,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-30 00:59:41,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-30 00:59:41,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2023-11-30 00:59:42,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-30 00:59:42,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-30 00:59:42,544 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_tso.i [2023-11-30 00:59:42,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f9c84b0/4c203ee76eef40139e2efb8f06b18280/FLAG8caa1b1dd [2023-11-30 00:59:42,565 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7f9c84b0/4c203ee76eef40139e2efb8f06b18280 [2023-11-30 00:59:42,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-30 00:59:42,568 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-30 00:59:42,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-30 00:59:42,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-30 00:59:42,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-30 00:59:42,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:42,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b28d2a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42, skipping insertion in model container [2023-11-30 00:59:42,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:42,595 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-30 00:59:42,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:59:42,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-30 00:59:42,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-30 00:59:42,935 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:59:42,935 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-30 00:59:42,939 INFO L206 MainTranslator]: Completed translation [2023-11-30 00:59:42,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42 WrapperNode [2023-11-30 00:59:42,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-30 00:59:42,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-30 00:59:42,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-30 00:59:42,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-30 00:59:42,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:42,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:42,984 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2023-11-30 00:59:42,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-30 00:59:42,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-30 00:59:42,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-30 00:59:42,985 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-30 00:59:42,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:42,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-30 00:59:43,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-30 00:59:43,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-30 00:59:43,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-30 00:59:43,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (1/1) ... [2023-11-30 00:59:43,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-30 00:59:43,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-30 00:59:43,064 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 00:59:43,079 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 00:59:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-30 00:59:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-30 00:59:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-30 00:59:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-30 00:59:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-30 00:59:43,084 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-30 00:59:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-30 00:59:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-30 00:59:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-30 00:59:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-30 00:59:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-30 00:59:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-30 00:59:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-30 00:59:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-30 00:59:43,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-30 00:59:43,086 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 00:59:43,203 INFO L241 CfgBuilder]: Building ICFG [2023-11-30 00:59:43,205 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-30 00:59:43,400 INFO L282 CfgBuilder]: Performing block encoding [2023-11-30 00:59:43,507 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-30 00:59:43,507 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-30 00:59:43,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:59:43 BoogieIcfgContainer [2023-11-30 00:59:43,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-30 00:59:43,510 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-30 00:59:43,510 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-30 00:59:43,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-30 00:59:43,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:59:42" (1/3) ... [2023-11-30 00:59:43,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1705772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:59:43, skipping insertion in model container [2023-11-30 00:59:43,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:59:42" (2/3) ... [2023-11-30 00:59:43,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1705772f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:59:43, skipping insertion in model container [2023-11-30 00:59:43,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:59:43" (3/3) ... [2023-11-30 00:59:43,514 INFO L112 eAbstractionObserver]: Analyzing ICFG safe021_tso.i [2023-11-30 00:59:43,526 INFO L197 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-30 00:59:43,527 INFO L156 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-30 00:59:43,527 INFO L508 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-30 00:59:43,574 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-30 00:59:43,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 129 places, 122 transitions, 256 flow [2023-11-30 00:59:43,647 INFO L124 PetriNetUnfolderBase]: 3/119 cut-off events. [2023-11-30 00:59:43,647 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:59:43,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 119 events. 3/119 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 141 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 102. Up to 2 conditions per place. [2023-11-30 00:59:43,655 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 122 transitions, 256 flow [2023-11-30 00:59:43,658 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 119 transitions, 247 flow [2023-11-30 00:59:43,665 INFO L361 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-30 00:59:43,669 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;@4395ac38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-30 00:59:43,669 INFO L363 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2023-11-30 00:59:43,681 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-30 00:59:43,681 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2023-11-30 00:59:43,681 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-30 00:59:43,682 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:59:43,682 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] [2023-11-30 00:59:43,682 INFO L425 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-30 00:59:43,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:59:43,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1450245545, now seen corresponding path program 1 times [2023-11-30 00:59:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:59:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586998519] [2023-11-30 00:59:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:59:43,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:59:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:59:43,843 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 00:59:43,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:59:43,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586998519] [2023-11-30 00:59:43,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586998519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:59:43,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:59:43,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-30 00:59:43,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182009229] [2023-11-30 00:59:43,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:59:43,851 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-30 00:59:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:59:43,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-30 00:59:43,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-30 00:59:43,872 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 122 [2023-11-30 00:59:43,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 119 transitions, 247 flow. Second operand has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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 00:59:43,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:59:43,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 122 [2023-11-30 00:59:43,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:59:44,046 INFO L124 PetriNetUnfolderBase]: 396/903 cut-off events. [2023-11-30 00:59:44,046 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-30 00:59:44,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1558 conditions, 903 events. 396/903 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5614 event pairs, 396 based on Foata normal form. 99/938 useless extension candidates. Maximal degree in co-relation 1529. Up to 609 conditions per place. [2023-11-30 00:59:44,058 INFO L140 encePairwiseOnDemand]: 99/122 looper letters, 14 selfloop transitions, 0 changer transitions 0/93 dead transitions. [2023-11-30 00:59:44,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 93 transitions, 223 flow [2023-11-30 00:59:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-30 00:59:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-30 00:59:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 205 transitions. [2023-11-30 00:59:44,069 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.8401639344262295 [2023-11-30 00:59:44,069 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 205 transitions. [2023-11-30 00:59:44,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 205 transitions. [2023-11-30 00:59:44,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:59:44,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 205 transitions. [2023-11-30 00:59:44,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 102.5) internal successors, (205), 2 states have internal predecessors, (205), 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 00:59:44,080 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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 00:59:44,081 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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 00:59:44,085 INFO L307 CegarLoopForPetriNet]: 126 programPoint places, -22 predicate places. [2023-11-30 00:59:44,085 INFO L500 AbstractCegarLoop]: Abstraction has has 104 places, 93 transitions, 223 flow [2023-11-30 00:59:44,085 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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 00:59:44,085 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:59:44,085 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] [2023-11-30 00:59:44,086 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-30 00:59:44,086 INFO L425 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-30 00:59:44,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:59:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1006246616, now seen corresponding path program 1 times [2023-11-30 00:59:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:59:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652191723] [2023-11-30 00:59:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:59:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:59:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:59:44,184 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 00:59:44,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:59:44,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652191723] [2023-11-30 00:59:44,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652191723] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:59:44,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:59:44,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:59:44,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644520263] [2023-11-30 00:59:44,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:59:44,186 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:59:44,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:59:44,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:59:44,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:59:44,188 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 122 [2023-11-30 00:59:44,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 93 transitions, 223 flow. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 00:59:44,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:59:44,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 122 [2023-11-30 00:59:44,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:59:44,466 INFO L124 PetriNetUnfolderBase]: 684/3143 cut-off events. [2023-11-30 00:59:44,466 INFO L125 PetriNetUnfolderBase]: For 466/600 co-relation queries the response was YES. [2023-11-30 00:59:44,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5111 conditions, 3143 events. 684/3143 cut-off events. For 466/600 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29301 event pairs, 252 based on Foata normal form. 0/2935 useless extension candidates. Maximal degree in co-relation 5080. Up to 897 conditions per place. [2023-11-30 00:59:44,485 INFO L140 encePairwiseOnDemand]: 120/122 looper letters, 24 selfloop transitions, 1 changer transitions 0/101 dead transitions. [2023-11-30 00:59:44,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 101 transitions, 307 flow [2023-11-30 00:59:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:59:44,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:59:44,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-11-30 00:59:44,490 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7349726775956285 [2023-11-30 00:59:44,490 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:59:44,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 00:59:44,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 00:59:44,494 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 00:59:44,495 INFO L307 CegarLoopForPetriNet]: 126 programPoint places, -21 predicate places. [2023-11-30 00:59:44,495 INFO L500 AbstractCegarLoop]: Abstraction has has 105 places, 101 transitions, 307 flow [2023-11-30 00:59:44,495 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 00:59:44,495 INFO L224 CegarLoopForPetriNet]: Found error trace [2023-11-30 00:59:44,496 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] [2023-11-30 00:59:44,496 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-30 00:59:44,496 INFO L425 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2023-11-30 00:59:44,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-30 00:59:44,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1296748601, now seen corresponding path program 1 times [2023-11-30 00:59:44,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-30 00:59:44,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263836270] [2023-11-30 00:59:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-30 00:59:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-30 00:59:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-30 00:59:44,620 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 00:59:44,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-30 00:59:44,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263836270] [2023-11-30 00:59:44,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263836270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-30 00:59:44,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-30 00:59:44,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-30 00:59:44,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458879891] [2023-11-30 00:59:44,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-30 00:59:44,621 INFO L576 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-30 00:59:44,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-30 00:59:44,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-30 00:59:44,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-30 00:59:44,623 INFO L497 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 122 [2023-11-30 00:59:44,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 101 transitions, 307 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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 00:59:44,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-30 00:59:44,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 122 [2023-11-30 00:59:44,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-30 00:59:44,983 INFO L124 PetriNetUnfolderBase]: 972/3367 cut-off events. [2023-11-30 00:59:44,984 INFO L125 PetriNetUnfolderBase]: For 2204/2472 co-relation queries the response was YES. [2023-11-30 00:59:44,992 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7224 conditions, 3367 events. 972/3367 cut-off events. For 2204/2472 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29164 event pairs, 252 based on Foata normal form. 0/3223 useless extension candidates. Maximal degree in co-relation 7191. Up to 1185 conditions per place. [2023-11-30 00:59:44,996 INFO L140 encePairwiseOnDemand]: 120/122 looper letters, 0 selfloop transitions, 0 changer transitions 109/109 dead transitions. [2023-11-30 00:59:44,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 109 transitions, 427 flow [2023-11-30 00:59:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-30 00:59:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-30 00:59:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 269 transitions. [2023-11-30 00:59:44,997 INFO L542 CegarLoopForPetriNet]: DFA transition density 0.7349726775956285 [2023-11-30 00:59:44,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-30 00:59:44,998 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 269 transitions. [2023-11-30 00:59:44,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 00:59:45,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 00:59:45,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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 00:59:45,001 INFO L307 CegarLoopForPetriNet]: 126 programPoint places, -20 predicate places. [2023-11-30 00:59:45,001 INFO L500 AbstractCegarLoop]: Abstraction has has 106 places, 109 transitions, 427 flow [2023-11-30 00:59:45,002 INFO L501 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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 00:59:45,007 INFO L143 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe021_tso.i_BEv2_AllErrorsAtOnce [2023-11-30 00:59:45,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (38 of 39 remaining) [2023-11-30 00:59:45,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (37 of 39 remaining) [2023-11-30 00:59:45,033 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (36 of 39 remaining) [2023-11-30 00:59:45,035 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (35 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (34 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (33 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (32 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (31 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (30 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (29 of 39 remaining) [2023-11-30 00:59:45,038 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (28 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (27 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (26 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (25 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 39 remaining) [2023-11-30 00:59:45,039 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 39 remaining) [2023-11-30 00:59:45,040 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 39 remaining) [2023-11-30 00:59:45,040 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 39 remaining) [2023-11-30 00:59:45,040 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 39 remaining) [2023-11-30 00:59:45,044 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 39 remaining) [2023-11-30 00:59:45,044 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 39 remaining) [2023-11-30 00:59:45,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 39 remaining) [2023-11-30 00:59:45,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 39 remaining) [2023-11-30 00:59:45,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 39 remaining) [2023-11-30 00:59:45,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (13 of 39 remaining) [2023-11-30 00:59:45,045 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (12 of 39 remaining) [2023-11-30 00:59:45,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (11 of 39 remaining) [2023-11-30 00:59:45,046 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (10 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (9 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (8 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (7 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (6 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (5 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (4 of 39 remaining) [2023-11-30 00:59:45,047 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (3 of 39 remaining) [2023-11-30 00:59:45,050 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (2 of 39 remaining) [2023-11-30 00:59:45,050 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (1 of 39 remaining) [2023-11-30 00:59:45,051 INFO L810 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (0 of 39 remaining) [2023-11-30 00:59:45,051 WARN L482 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-30 00:59:45,051 INFO L457 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-30 00:59:45,056 INFO L222 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-30 00:59:45,056 INFO L172 ceAbstractionStarter]: Computing trace abstraction results [2023-11-30 00:59:45,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:59:45 BasicIcfg [2023-11-30 00:59:45,063 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-30 00:59:45,063 INFO L158 Benchmark]: Toolchain (without parser) took 2495.57ms. Allocated memory was 413.1MB in the beginning and 612.4MB in the end (delta: 199.2MB). Free memory was 372.9MB in the beginning and 238.1MB in the end (delta: 134.9MB). Peak memory consumption was 335.8MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,063 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 413.1MB. Free memory was 369.6MB in the beginning and 369.4MB in the end (delta: 225.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.56ms. Allocated memory is still 413.1MB. Free memory was 372.9MB in the beginning and 351.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.23ms. Allocated memory is still 413.1MB. Free memory was 351.9MB in the beginning and 349.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,066 INFO L158 Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 413.1MB. Free memory was 349.8MB in the beginning and 348.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,067 INFO L158 Benchmark]: RCFGBuilder took 485.76ms. Allocated memory was 413.1MB in the beginning and 612.4MB in the end (delta: 199.2MB). Free memory was 348.0MB in the beginning and 584.1MB in the end (delta: -236.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,067 INFO L158 Benchmark]: TraceAbstraction took 1552.78ms. Allocated memory is still 612.4MB. Free memory was 583.0MB in the beginning and 238.1MB in the end (delta: 345.0MB). Peak memory consumption was 343.9MB. Max. memory is 16.0GB. [2023-11-30 00:59:45,068 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 413.1MB. Free memory was 369.6MB in the beginning and 369.4MB in the end (delta: 225.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 371.56ms. Allocated memory is still 413.1MB. Free memory was 372.9MB in the beginning and 351.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 44.23ms. Allocated memory is still 413.1MB. Free memory was 351.9MB in the beginning and 349.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 37.29ms. Allocated memory is still 413.1MB. Free memory was 349.8MB in the beginning and 348.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 485.76ms. Allocated memory was 413.1MB in the beginning and 612.4MB in the end (delta: 199.2MB). Free memory was 348.0MB in the beginning and 584.1MB in the end (delta: -236.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.0GB. * TraceAbstraction took 1552.78ms. Allocated memory is still 612.4MB. Free memory was 583.0MB in the beginning and 238.1MB in the end (delta: 345.0MB). Peak memory consumption was 343.9MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 740]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 743]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 758]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 763]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 785]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 793]: 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 7 procedures, 161 locations, 39 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: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=427occurred in iteration=3, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-30 00:59:45,101 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...