/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.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.positions.where.we.compute.the.hoare.annotation All -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-14 21:50:22,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 21:50:22,748 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 [2025-03-14 21:50:22,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 21:50:22,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 21:50:22,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 21:50:22,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 21:50:22,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 21:50:22,774 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 21:50:22,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 21:50:22,775 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 21:50:22,776 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-14 21:50:22,776 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 21:50:22,776 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-14 21:50:22,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:50:22,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 21:50:22,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All [2025-03-14 21:50:23,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 21:50:23,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 21:50:23,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 21:50:23,012 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 21:50:23,013 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 21:50:23,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2025-03-14 21:50:24,172 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071a0c5c0/c059e511891344518fba5285d58eb67a/FLAG9367aa730 [2025-03-14 21:50:24,394 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 21:50:24,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2025-03-14 21:50:24,410 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071a0c5c0/c059e511891344518fba5285d58eb67a/FLAG9367aa730 [2025-03-14 21:50:24,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/071a0c5c0/c059e511891344518fba5285d58eb67a [2025-03-14 21:50:24,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 21:50:24,735 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-14 21:50:24,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 21:50:24,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 21:50:24,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 21:50:24,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:50:24" (1/1) ... [2025-03-14 21:50:24,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d60c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:24, skipping insertion in model container [2025-03-14 21:50:24,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:50:24" (1/1) ... [2025-03-14 21:50:24,760 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 21:50:24,860 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2025-03-14 21:50:24,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:50:24,956 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 21:50:24,962 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i[1097,1110] [2025-03-14 21:50:24,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:50:25,008 INFO L204 MainTranslator]: Completed translation [2025-03-14 21:50:25,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25 WrapperNode [2025-03-14 21:50:25,009 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 21:50:25,009 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 21:50:25,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 21:50:25,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 21:50:25,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,041 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2025-03-14 21:50:25,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 21:50:25,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 21:50:25,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 21:50:25,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 21:50:25,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,054 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 21:50:25,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-14 21:50:25,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-14 21:50:25,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-14 21:50:25,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (1/1) ... [2025-03-14 21:50:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:50:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 21:50:25,095 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) [2025-03-14 21:50:25,116 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 [2025-03-14 21:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 21:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 21:50:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-14 21:50:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-14 21:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 21:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 21:50:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 21:50:25,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 21:50:25,137 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 21:50:25,233 INFO L234 CfgBuilder]: Building ICFG [2025-03-14 21:50:25,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 21:50:25,346 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 21:50:25,346 INFO L283 CfgBuilder]: Performing block encoding [2025-03-14 21:50:25,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 21:50:25,374 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 21:50:25,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:50:25 BoogieIcfgContainer [2025-03-14 21:50:25,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-14 21:50:25,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 21:50:25,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 21:50:25,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 21:50:25,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 09:50:24" (1/3) ... [2025-03-14 21:50:25,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efcb16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:50:25, skipping insertion in model container [2025-03-14 21:50:25,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:50:25" (2/3) ... [2025-03-14 21:50:25,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4efcb16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:50:25, skipping insertion in model container [2025-03-14 21:50:25,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:50:25" (3/3) ... [2025-03-14 21:50:25,381 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2025-03-14 21:50:25,391 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 21:50:25,392 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_31-traces-mine-vs-mutex_true.i that has 2 procedures, 79 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-14 21:50:25,392 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 21:50:25,435 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 21:50:25,470 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 21:50:25,476 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@2fc514d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 21:50:25,477 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-14 21:50:25,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 21:50:25,505 INFO L124 PetriNetUnfolderBase]: 0/58 cut-off events. [2025-03-14 21:50:25,507 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 21:50:25,507 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:50:25,507 INFO L221 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] [2025-03-14 21:50:25,508 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-14 21:50:25,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:50:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash -888258995, now seen corresponding path program 1 times [2025-03-14 21:50:25,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:50:25,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108484528] [2025-03-14 21:50:25,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:50:25,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:50:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:50:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:50:25,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:50:25,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108484528] [2025-03-14 21:50:25,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108484528] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:50:25,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:50:25,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:50:25,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973553026] [2025-03-14 21:50:25,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:50:25,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:50:25,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:50:25,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:50:25,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:50:25,867 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 79 [2025-03-14 21:50:25,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 79 transitions, 165 flow. Second operand has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 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) [2025-03-14 21:50:25,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:50:25,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 79 [2025-03-14 21:50:25,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:50:26,113 INFO L124 PetriNetUnfolderBase]: 156/511 cut-off events. [2025-03-14 21:50:26,113 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 21:50:26,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 511 events. 156/511 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2518 event pairs, 51 based on Foata normal form. 7/510 useless extension candidates. Maximal degree in co-relation 818. Up to 179 conditions per place. [2025-03-14 21:50:26,120 INFO L140 encePairwiseOnDemand]: 70/79 looper letters, 22 selfloop transitions, 2 changer transitions 51/119 dead transitions. [2025-03-14 21:50:26,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 119 transitions, 382 flow [2025-03-14 21:50:26,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-14 21:50:26,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-14 21:50:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 480 transitions. [2025-03-14 21:50:26,130 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.759493670886076 [2025-03-14 21:50:26,133 INFO L298 CegarLoopForPetriNet]: 82 programPoint places, 5 predicate places. [2025-03-14 21:50:26,133 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 119 transitions, 382 flow [2025-03-14 21:50:26,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 53.0) internal successors, (265), 5 states have internal predecessors, (265), 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) [2025-03-14 21:50:26,133 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:50:26,133 INFO L221 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] [2025-03-14 21:50:26,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 21:50:26,134 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-14 21:50:26,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:50:26,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1788535157, now seen corresponding path program 1 times [2025-03-14 21:50:26,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:50:26,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009927349] [2025-03-14 21:50:26,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:50:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:50:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:50:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:50:26,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:50:26,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009927349] [2025-03-14 21:50:26,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009927349] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:50:26,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:50:26,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:50:26,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819228881] [2025-03-14 21:50:26,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:50:26,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:50:26,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:50:26,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:50:26,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:50:26,342 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 79 [2025-03-14 21:50:26,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 119 transitions, 382 flow. Second operand has 5 states, 5 states have (on average 54.8) internal successors, (274), 5 states have internal predecessors, (274), 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) [2025-03-14 21:50:26,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:50:26,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 79 [2025-03-14 21:50:26,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:50:26,432 INFO L124 PetriNetUnfolderBase]: 21/169 cut-off events. [2025-03-14 21:50:26,432 INFO L125 PetriNetUnfolderBase]: For 58/60 co-relation queries the response was YES. [2025-03-14 21:50:26,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 169 events. 21/169 cut-off events. For 58/60 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 4 based on Foata normal form. 18/186 useless extension candidates. Maximal degree in co-relation 273. Up to 54 conditions per place. [2025-03-14 21:50:26,433 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 24 selfloop transitions, 5 changer transitions 22/92 dead transitions. [2025-03-14 21:50:26,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 92 transitions, 346 flow [2025-03-14 21:50:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 21:50:26,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 21:50:26,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 285 transitions. [2025-03-14 21:50:26,435 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7215189873417721 [2025-03-14 21:50:26,436 INFO L298 CegarLoopForPetriNet]: 82 programPoint places, 7 predicate places. [2025-03-14 21:50:26,436 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 92 transitions, 346 flow [2025-03-14 21:50:26,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.8) internal successors, (274), 5 states have internal predecessors, (274), 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) [2025-03-14 21:50:26,436 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:50:26,436 INFO L221 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] [2025-03-14 21:50:26,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 21:50:26,437 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-14 21:50:26,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:50:26,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1262641360, now seen corresponding path program 1 times [2025-03-14 21:50:26,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:50:26,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137171808] [2025-03-14 21:50:26,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:50:26,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:50:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:50:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:50:26,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:50:26,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137171808] [2025-03-14 21:50:26,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137171808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:50:26,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:50:26,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 21:50:26,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801159843] [2025-03-14 21:50:26,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:50:26,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 21:50:26,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:50:26,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 21:50:26,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 21:50:26,544 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 79 [2025-03-14 21:50:26,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 92 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2025-03-14 21:50:26,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:50:26,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 79 [2025-03-14 21:50:26,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:50:26,597 INFO L124 PetriNetUnfolderBase]: 7/147 cut-off events. [2025-03-14 21:50:26,597 INFO L125 PetriNetUnfolderBase]: For 115/119 co-relation queries the response was YES. [2025-03-14 21:50:26,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 147 events. 7/147 cut-off events. For 115/119 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 254 event pairs, 0 based on Foata normal form. 8/154 useless extension candidates. Maximal degree in co-relation 256. Up to 41 conditions per place. [2025-03-14 21:50:26,598 INFO L140 encePairwiseOnDemand]: 70/79 looper letters, 12 selfloop transitions, 14 changer transitions 22/95 dead transitions. [2025-03-14 21:50:26,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 95 transitions, 430 flow [2025-03-14 21:50:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 21:50:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 21:50:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2025-03-14 21:50:26,600 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8312236286919831 [2025-03-14 21:50:26,600 INFO L298 CegarLoopForPetriNet]: 82 programPoint places, 9 predicate places. [2025-03-14 21:50:26,600 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 95 transitions, 430 flow [2025-03-14 21:50:26,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2025-03-14 21:50:26,601 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:50:26,601 INFO L221 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] [2025-03-14 21:50:26,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 21:50:26,601 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-03-14 21:50:26,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:50:26,601 INFO L85 PathProgramCache]: Analyzing trace with hash 120239350, now seen corresponding path program 2 times [2025-03-14 21:50:26,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:50:26,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385023466] [2025-03-14 21:50:26,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 21:50:26,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:50:26,621 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 21:50:26,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 21:50:26,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:50:26,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:50:26,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385023466] [2025-03-14 21:50:26,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385023466] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:50:26,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:50:26,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-14 21:50:26,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276803088] [2025-03-14 21:50:26,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:50:26,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-14 21:50:26,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:50:26,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-14 21:50:26,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-14 21:50:26,797 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 79 [2025-03-14 21:50:26,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 95 transitions, 430 flow. Second operand has 8 states, 8 states have (on average 51.75) internal successors, (414), 8 states have internal predecessors, (414), 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) [2025-03-14 21:50:26,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:50:26,797 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 79 [2025-03-14 21:50:26,797 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:50:26,924 INFO L124 PetriNetUnfolderBase]: 7/143 cut-off events. [2025-03-14 21:50:26,924 INFO L125 PetriNetUnfolderBase]: For 183/191 co-relation queries the response was YES. [2025-03-14 21:50:26,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 390 conditions, 143 events. 7/143 cut-off events. For 183/191 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 249 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 320. Up to 40 conditions per place. [2025-03-14 21:50:26,925 INFO L140 encePairwiseOnDemand]: 67/79 looper letters, 0 selfloop transitions, 0 changer transitions 95/95 dead transitions. [2025-03-14 21:50:26,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 95 transitions, 536 flow [2025-03-14 21:50:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-14 21:50:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-14 21:50:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 520 transitions. [2025-03-14 21:50:26,927 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6582278481012658 [2025-03-14 21:50:26,928 INFO L298 CegarLoopForPetriNet]: 82 programPoint places, 16 predicate places. [2025-03-14 21:50:26,928 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 536 flow [2025-03-14 21:50:26,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 51.75) internal successors, (414), 8 states have internal predecessors, (414), 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) [2025-03-14 21:50:26,935 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_31-traces-mine-vs-mutex_true.i_petrified1_AllErrorsAtOnce [2025-03-14 21:50:26,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2025-03-14 21:50:26,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2025-03-14 21:50:26,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 21:50:26,958 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2025-03-14 21:50:26,961 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 21:50:26,961 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 21:50:26,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 09:50:26 BasicIcfg [2025-03-14 21:50:26,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 21:50:26,965 INFO L158 Benchmark]: Toolchain (without parser) took 2230.14ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 42.7MB in the beginning and 75.8MB in the end (delta: -33.1MB). Peak memory consumption was 44.9MB. Max. memory is 8.0GB. [2025-03-14 21:50:26,965 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:50:26,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.75ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 22.9MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-14 21:50:26,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.90ms. Allocated memory is still 71.3MB. Free memory was 22.9MB in the beginning and 21.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-14 21:50:26,966 INFO L158 Benchmark]: Boogie Preprocessor took 21.77ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 20.3MB in the end (delta: 953.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:50:26,966 INFO L158 Benchmark]: RCFGBuilder took 309.66ms. Allocated memory is still 71.3MB. Free memory was 20.2MB in the beginning and 32.0MB in the end (delta: -11.8MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. [2025-03-14 21:50:26,966 INFO L158 Benchmark]: TraceAbstraction took 1588.44ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 31.0MB in the beginning and 75.8MB in the end (delta: -44.8MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. [2025-03-14 21:50:26,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.75ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 22.9MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.90ms. Allocated memory is still 71.3MB. Free memory was 22.9MB in the beginning and 21.3MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.77ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 20.3MB in the end (delta: 953.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 309.66ms. Allocated memory is still 71.3MB. Free memory was 20.2MB in the beginning and 32.0MB in the end (delta: -11.8MB). Peak memory consumption was 6.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1588.44ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 31.0MB in the beginning and 75.8MB in the end (delta: -44.8MB). Peak memory consumption was 34.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 102 locations, 2 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: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 332 IncrementalHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 29 mSDtfsCounter, 332 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=536occurred in iteration=4, InterpolantAutomatonStates: 26, 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, 0.7s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 530 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 21:50:26,981 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...