/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 --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:00:15,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:00:15,922 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 [2025-03-15 01:00:15,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:00:15,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:00:15,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:00:15,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:00:15,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:00:15,950 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:00:15,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:00:15,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:00:15,951 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:00:15,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:00:15,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:00:15,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:00:15,952 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 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 [2025-03-15 01:00:16,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:00:16,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:00:16,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:00:16,346 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:00:16,346 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:00:16,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2025-03-15 01:00:17,528 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a806abef0/9c10d21be95247c39c5e01f8ce01576d/FLAGcc6da8cc6 [2025-03-15 01:00:17,692 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:00:17,693 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-2.wvr.c [2025-03-15 01:00:17,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a806abef0/9c10d21be95247c39c5e01f8ce01576d/FLAGcc6da8cc6 [2025-03-15 01:00:18,095 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a806abef0/9c10d21be95247c39c5e01f8ce01576d [2025-03-15 01:00:18,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:00:18,100 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:00:18,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:00:18,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:00:18,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:00:18,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,105 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f0ad5fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18, skipping insertion in model container [2025-03-15 01:00:18,105 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:00:18,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:00:18,240 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:00:18,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:00:18,269 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:00:18,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18 WrapperNode [2025-03-15 01:00:18,269 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:00:18,270 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:00:18,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:00:18,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:00:18,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,291 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 130 [2025-03-15 01:00:18,291 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:00:18,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:00:18,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:00:18,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:00:18,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:00:18,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:00:18,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:00:18,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:00:18,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (1/1) ... [2025-03-15 01:00:18,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:00:18,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:00:18,333 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) [2025-03-15 01:00:18,339 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 [2025-03-15 01:00:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:00:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 01:00:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 01:00:18,355 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 01:00:18,355 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 01:00:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:00:18,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:00:18,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:00:18,356 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:00:18,430 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:00:18,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:00:18,641 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:00:18,641 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:00:18,657 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:00:18,657 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:00:18,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:00:18 BoogieIcfgContainer [2025-03-15 01:00:18,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:00:18,660 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:00:18,660 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:00:18,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:00:18,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:00:18" (1/3) ... [2025-03-15 01:00:18,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4a8269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:00:18, skipping insertion in model container [2025-03-15 01:00:18,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:00:18" (2/3) ... [2025-03-15 01:00:18,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4a8269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:00:18, skipping insertion in model container [2025-03-15 01:00:18,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:00:18" (3/3) ... [2025-03-15 01:00:18,667 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-2.wvr.c [2025-03-15 01:00:18,677 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:00:18,678 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-2.wvr.c that has 3 procedures, 139 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:00:18,678 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:00:18,734 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:00:18,768 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:00:18,777 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;@5844f12c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:00:18,777 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-15 01:00:18,801 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:00:18,801 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-03-15 01:00:18,803 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:00:18,803 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:18,803 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] [2025-03-15 01:00:18,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:18,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:18,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1483852142, now seen corresponding path program 1 times [2025-03-15 01:00:18,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:18,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214996970] [2025-03-15 01:00:18,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:18,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:18,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:18,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214996970] [2025-03-15 01:00:18,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214996970] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:18,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:18,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:18,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926821479] [2025-03-15 01:00:18,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:18,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:18,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:18,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:18,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:18,951 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2025-03-15 01:00:18,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2025-03-15 01:00:18,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:18,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2025-03-15 01:00:18,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,063 INFO L124 PetriNetUnfolderBase]: 27/229 cut-off events. [2025-03-15 01:00:19,063 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-15 01:00:19,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328 conditions, 229 events. 27/229 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 659 event pairs, 26 based on Foata normal form. 10/211 useless extension candidates. Maximal degree in co-relation 232. Up to 70 conditions per place. [2025-03-15 01:00:19,070 INFO L140 encePairwiseOnDemand]: 135/143 looper letters, 16 selfloop transitions, 2 changer transitions 10/129 dead transitions. [2025-03-15 01:00:19,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 129 transitions, 308 flow [2025-03-15 01:00:19,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 376 transitions. [2025-03-15 01:00:19,086 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8764568764568764 [2025-03-15 01:00:19,090 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -8 predicate places. [2025-03-15 01:00:19,091 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 308 flow [2025-03-15 01:00:19,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2025-03-15 01:00:19,091 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:19,091 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] [2025-03-15 01:00:19,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:00:19,091 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:19,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:19,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1644497401, now seen corresponding path program 1 times [2025-03-15 01:00:19,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:19,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872669677] [2025-03-15 01:00:19,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:19,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872669677] [2025-03-15 01:00:19,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872669677] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:19,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:19,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:19,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636601683] [2025-03-15 01:00:19,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:19,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:19,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:19,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:19,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:19,146 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 143 [2025-03-15 01:00:19,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 129 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2025-03-15 01:00:19,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:19,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 143 [2025-03-15 01:00:19,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,237 INFO L124 PetriNetUnfolderBase]: 48/326 cut-off events. [2025-03-15 01:00:19,237 INFO L125 PetriNetUnfolderBase]: For 120/123 co-relation queries the response was YES. [2025-03-15 01:00:19,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 326 events. 48/326 cut-off events. For 120/123 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1159 event pairs, 44 based on Foata normal form. 0/277 useless extension candidates. Maximal degree in co-relation 386. Up to 94 conditions per place. [2025-03-15 01:00:19,241 INFO L140 encePairwiseOnDemand]: 140/143 looper letters, 16 selfloop transitions, 2 changer transitions 10/128 dead transitions. [2025-03-15 01:00:19,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 128 transitions, 344 flow [2025-03-15 01:00:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2025-03-15 01:00:19,243 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8648018648018648 [2025-03-15 01:00:19,243 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -7 predicate places. [2025-03-15 01:00:19,244 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 128 transitions, 344 flow [2025-03-15 01:00:19,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 118.33333333333333) internal successors, (355), 3 states have internal predecessors, (355), 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) [2025-03-15 01:00:19,244 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:19,244 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, 1, 1, 1] [2025-03-15 01:00:19,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:00:19,244 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:19,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:19,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1207941065, now seen corresponding path program 1 times [2025-03-15 01:00:19,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:19,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514948527] [2025-03-15 01:00:19,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:19,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:19,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:19,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514948527] [2025-03-15 01:00:19,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514948527] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:19,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:19,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:19,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516337056] [2025-03-15 01:00:19,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:19,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:19,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:19,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:19,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:19,340 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 143 [2025-03-15 01:00:19,340 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 128 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2025-03-15 01:00:19,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:19,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 143 [2025-03-15 01:00:19,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,419 INFO L124 PetriNetUnfolderBase]: 51/325 cut-off events. [2025-03-15 01:00:19,419 INFO L125 PetriNetUnfolderBase]: For 241/293 co-relation queries the response was YES. [2025-03-15 01:00:19,421 INFO L83 FinitePrefix]: Finished finitePrefix Result has 648 conditions, 325 events. 51/325 cut-off events. For 241/293 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1132 event pairs, 41 based on Foata normal form. 0/281 useless extension candidates. Maximal degree in co-relation 473. Up to 92 conditions per place. [2025-03-15 01:00:19,423 INFO L140 encePairwiseOnDemand]: 140/143 looper letters, 17 selfloop transitions, 2 changer transitions 10/130 dead transitions. [2025-03-15 01:00:19,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 130 transitions, 401 flow [2025-03-15 01:00:19,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2025-03-15 01:00:19,425 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8811188811188811 [2025-03-15 01:00:19,426 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -6 predicate places. [2025-03-15 01:00:19,426 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 130 transitions, 401 flow [2025-03-15 01:00:19,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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) [2025-03-15 01:00:19,426 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:19,427 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:00:19,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:00:19,427 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:19,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:19,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1303920582, now seen corresponding path program 1 times [2025-03-15 01:00:19,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:19,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940008132] [2025-03-15 01:00:19,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:19,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:19,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:19,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:19,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940008132] [2025-03-15 01:00:19,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940008132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:19,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:19,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:19,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670819306] [2025-03-15 01:00:19,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:19,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:19,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:19,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:19,504 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 143 [2025-03-15 01:00:19,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 130 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2025-03-15 01:00:19,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:19,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 143 [2025-03-15 01:00:19,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,569 INFO L124 PetriNetUnfolderBase]: 48/314 cut-off events. [2025-03-15 01:00:19,569 INFO L125 PetriNetUnfolderBase]: For 395/471 co-relation queries the response was YES. [2025-03-15 01:00:19,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 314 events. 48/314 cut-off events. For 395/471 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1074 event pairs, 27 based on Foata normal form. 1/278 useless extension candidates. Maximal degree in co-relation 511. Up to 88 conditions per place. [2025-03-15 01:00:19,572 INFO L140 encePairwiseOnDemand]: 141/143 looper letters, 15 selfloop transitions, 1 changer transitions 27/132 dead transitions. [2025-03-15 01:00:19,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 132 transitions, 462 flow [2025-03-15 01:00:19,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2025-03-15 01:00:19,575 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8881118881118881 [2025-03-15 01:00:19,575 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -5 predicate places. [2025-03-15 01:00:19,575 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 132 transitions, 462 flow [2025-03-15 01:00:19,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 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) [2025-03-15 01:00:19,575 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:19,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:00:19,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:00:19,576 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:19,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:19,576 INFO L85 PathProgramCache]: Analyzing trace with hash -542655182, now seen corresponding path program 1 times [2025-03-15 01:00:19,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:19,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029279786] [2025-03-15 01:00:19,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:19,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:19,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:19,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029279786] [2025-03-15 01:00:19,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029279786] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:19,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:19,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:19,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717690637] [2025-03-15 01:00:19,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:19,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:19,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:19,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:19,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:19,648 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 143 [2025-03-15 01:00:19,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 132 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2025-03-15 01:00:19,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:19,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 143 [2025-03-15 01:00:19,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,726 INFO L124 PetriNetUnfolderBase]: 55/368 cut-off events. [2025-03-15 01:00:19,726 INFO L125 PetriNetUnfolderBase]: For 650/731 co-relation queries the response was YES. [2025-03-15 01:00:19,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 882 conditions, 368 events. 55/368 cut-off events. For 650/731 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1440 event pairs, 24 based on Foata normal form. 0/330 useless extension candidates. Maximal degree in co-relation 665. Up to 102 conditions per place. [2025-03-15 01:00:19,728 INFO L140 encePairwiseOnDemand]: 140/143 looper letters, 20 selfloop transitions, 2 changer transitions 16/134 dead transitions. [2025-03-15 01:00:19,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 134 transitions, 543 flow [2025-03-15 01:00:19,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2025-03-15 01:00:19,730 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8811188811188811 [2025-03-15 01:00:19,730 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -4 predicate places. [2025-03-15 01:00:19,730 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 134 transitions, 543 flow [2025-03-15 01:00:19,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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) [2025-03-15 01:00:19,731 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:00:19,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:00:19,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:00:19,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2025-03-15 01:00:19,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:00:19,732 INFO L85 PathProgramCache]: Analyzing trace with hash 519206453, now seen corresponding path program 1 times [2025-03-15 01:00:19,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:00:19,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782905901] [2025-03-15 01:00:19,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:00:19,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:00:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:00:19,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:00:19,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:00:19,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782905901] [2025-03-15 01:00:19,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782905901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:00:19,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:00:19,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:00:19,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61282483] [2025-03-15 01:00:19,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:00:19,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:00:19,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:00:19,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:00:19,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:00:19,788 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 143 [2025-03-15 01:00:19,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 134 transitions, 543 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2025-03-15 01:00:19,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:00:19,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 143 [2025-03-15 01:00:19,789 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:00:19,835 INFO L124 PetriNetUnfolderBase]: 48/312 cut-off events. [2025-03-15 01:00:19,835 INFO L125 PetriNetUnfolderBase]: For 960/1102 co-relation queries the response was YES. [2025-03-15 01:00:19,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 312 events. 48/312 cut-off events. For 960/1102 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1052 event pairs, 14 based on Foata normal form. 1/288 useless extension candidates. Maximal degree in co-relation 625. Up to 84 conditions per place. [2025-03-15 01:00:19,837 INFO L140 encePairwiseOnDemand]: 141/143 looper letters, 0 selfloop transitions, 0 changer transitions 136/136 dead transitions. [2025-03-15 01:00:19,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 136 transitions, 628 flow [2025-03-15 01:00:19,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:00:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:00:19,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2025-03-15 01:00:19,838 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8881118881118881 [2025-03-15 01:00:19,839 INFO L298 CegarLoopForPetriNet]: 145 programPoint places, -3 predicate places. [2025-03-15 01:00:19,839 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 136 transitions, 628 flow [2025-03-15 01:00:19,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 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) [2025-03-15 01:00:19,845 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-2.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 01:00:19,859 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2025-03-15 01:00:19,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2025-03-15 01:00:19,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:00:19,861 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 01:00:19,865 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:00:19,865 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:00:19,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:00:19 BasicIcfg [2025-03-15 01:00:19,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:00:19,871 INFO L158 Benchmark]: Toolchain (without parser) took 1773.13ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 44.4MB in the beginning and 38.5MB in the end (delta: 5.8MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2025-03-15 01:00:19,871 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 71.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:00:19,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 168.59ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 32.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-03-15 01:00:19,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.47ms. Allocated memory is still 71.3MB. Free memory was 32.9MB in the beginning and 31.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:00:19,872 INFO L158 Benchmark]: Boogie Preprocessor took 16.91ms. Allocated memory is still 71.3MB. Free memory was 31.3MB in the beginning and 30.5MB in the end (delta: 856.3kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:00:19,872 INFO L158 Benchmark]: RCFGBuilder took 348.84ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 42.6MB in the end (delta: -12.2MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2025-03-15 01:00:19,872 INFO L158 Benchmark]: TraceAbstraction took 1211.01ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.6MB in the beginning and 38.5MB in the end (delta: 3.1MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. [2025-03-15 01:00:19,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 71.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 168.59ms. Allocated memory is still 71.3MB. Free memory was 44.1MB in the beginning and 32.9MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.47ms. Allocated memory is still 71.3MB. Free memory was 32.9MB in the beginning and 31.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 16.91ms. Allocated memory is still 71.3MB. Free memory was 31.3MB in the beginning and 30.5MB in the end (delta: 856.3kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 348.84ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 42.6MB in the end (delta: -12.2MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1211.01ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.6MB in the beginning and 38.5MB in the end (delta: 3.1MB). Peak memory consumption was 20.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 193 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 149 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=628occurred in iteration=6, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 322 ConstructedInterpolants, 0 QuantifiedInterpolants, 334 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:00:19,886 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...