/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/popl20-bad-counter-queue.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:01:29,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:01:29,983 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 01:01:30,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:01:30,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:01:30,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:01:30,011 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:01:30,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:01:30,012 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:01:30,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:01:30,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:01:30,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:01:30,013 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 01:01:30,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:01:30,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:01:30,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:01:30,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:01:30,331 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:01:30,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2025-03-15 01:01:31,509 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de72bf4a/dd73884f907a4224b19b38148ce24d2d/FLAGab1a880d2 [2025-03-15 01:01:31,708 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:01:31,709 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue.wvr.c [2025-03-15 01:01:31,716 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de72bf4a/dd73884f907a4224b19b38148ce24d2d/FLAGab1a880d2 [2025-03-15 01:01:31,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4de72bf4a/dd73884f907a4224b19b38148ce24d2d [2025-03-15 01:01:31,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:01:31,731 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:01:31,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:01:31,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:01:31,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:01:31,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146ed554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31, skipping insertion in model container [2025-03-15 01:01:31,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,753 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:01:31,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:01:31,888 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:01:31,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:01:31,922 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:01:31,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31 WrapperNode [2025-03-15 01:01:31,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:01:31,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:01:31,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:01:31,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:01:31,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,960 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 166 [2025-03-15 01:01:31,960 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:01:31,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:01:31,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:01:31,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:01:31,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:31,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:01:31,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:01:31,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:01:31,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:01:32,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (1/1) ... [2025-03-15 01:01:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:01:32,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:01:32,026 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 01:01:32,030 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 01:01:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:01:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 01:01:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 01:01:32,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 01:01:32,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 01:01:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:01:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:01:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:01:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:01:32,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:01:32,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:01:32,052 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 01:01:32,133 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:01:32,135 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:01:32,408 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:01:32,408 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:01:32,419 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:01:32,419 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-15 01:01:32,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:01:32 BoogieIcfgContainer [2025-03-15 01:01:32,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:01:32,421 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:01:32,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:01:32,424 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:01:32,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:01:31" (1/3) ... [2025-03-15 01:01:32,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fd3090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:01:32, skipping insertion in model container [2025-03-15 01:01:32,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:31" (2/3) ... [2025-03-15 01:01:32,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18fd3090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:01:32, skipping insertion in model container [2025-03-15 01:01:32,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:01:32" (3/3) ... [2025-03-15 01:01:32,426 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue.wvr.c [2025-03-15 01:01:32,436 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:01:32,438 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue.wvr.c that has 3 procedures, 209 locations, 1 initial locations, 3 loop locations, and 10 error locations. [2025-03-15 01:01:32,438 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:01:32,495 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:01:32,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:01:32,548 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;@5f15621c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:01:32,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-03-15 01:01:32,568 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:01:32,568 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-03-15 01:01:32,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:01:32,571 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:32,571 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:01:32,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:32,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:32,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1348695757, now seen corresponding path program 1 times [2025-03-15 01:01:32,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:32,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112340454] [2025-03-15 01:01:32,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:32,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:32,699 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 01:01:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112340454] [2025-03-15 01:01:32,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112340454] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:32,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:32,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122872264] [2025-03-15 01:01:32,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:32,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:32,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:32,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:32,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:32,730 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 220 [2025-03-15 01:01:32,734 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 220 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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 01:01:32,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:32,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 220 [2025-03-15 01:01:32,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:32,915 INFO L124 PetriNetUnfolderBase]: 26/521 cut-off events. [2025-03-15 01:01:32,915 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-15 01:01:32,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 521 events. 26/521 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2320 event pairs, 15 based on Foata normal form. 20/477 useless extension candidates. Maximal degree in co-relation 424. Up to 55 conditions per place. [2025-03-15 01:01:32,928 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 15 selfloop transitions, 2 changer transitions 11/201 dead transitions. [2025-03-15 01:01:32,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 201 transitions, 450 flow [2025-03-15 01:01:32,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2025-03-15 01:01:32,942 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9075757575757576 [2025-03-15 01:01:32,947 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, -8 predicate places. [2025-03-15 01:01:32,947 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 450 flow [2025-03-15 01:01:32,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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 01:01:32,947 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:32,947 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] [2025-03-15 01:01:32,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:01:32,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:32,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:32,948 INFO L85 PathProgramCache]: Analyzing trace with hash 265192990, now seen corresponding path program 1 times [2025-03-15 01:01:32,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:32,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501087684] [2025-03-15 01:01:32,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:32,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:33,004 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 01:01:33,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:33,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501087684] [2025-03-15 01:01:33,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501087684] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:33,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:33,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:33,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640167592] [2025-03-15 01:01:33,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:33,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:33,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:33,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:33,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:33,008 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 220 [2025-03-15 01:01:33,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 450 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 01:01:33,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:33,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 220 [2025-03-15 01:01:33,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:33,086 INFO L124 PetriNetUnfolderBase]: 17/455 cut-off events. [2025-03-15 01:01:33,086 INFO L125 PetriNetUnfolderBase]: For 44/54 co-relation queries the response was YES. [2025-03-15 01:01:33,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 455 events. 17/455 cut-off events. For 44/54 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1806 event pairs, 8 based on Foata normal form. 0/410 useless extension candidates. Maximal degree in co-relation 365. Up to 36 conditions per place. [2025-03-15 01:01:33,092 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 10 selfloop transitions, 1 changer transitions 11/198 dead transitions. [2025-03-15 01:01:33,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 198 transitions, 462 flow [2025-03-15 01:01:33,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 597 transitions. [2025-03-15 01:01:33,095 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9045454545454545 [2025-03-15 01:01:33,096 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, -9 predicate places. [2025-03-15 01:01:33,096 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 198 transitions, 462 flow [2025-03-15 01:01:33,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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 01:01:33,097 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:33,098 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] [2025-03-15 01:01:33,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:01:33,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:33,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1759974588, now seen corresponding path program 1 times [2025-03-15 01:01:33,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:33,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937308088] [2025-03-15 01:01:33,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:33,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:33,209 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 01:01:33,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:33,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937308088] [2025-03-15 01:01:33,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937308088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:33,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:33,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:33,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857479165] [2025-03-15 01:01:33,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:33,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:33,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:33,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:33,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:33,213 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 220 [2025-03-15 01:01:33,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 198 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 01:01:33,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:33,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 220 [2025-03-15 01:01:33,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:33,306 INFO L124 PetriNetUnfolderBase]: 36/638 cut-off events. [2025-03-15 01:01:33,307 INFO L125 PetriNetUnfolderBase]: For 133/145 co-relation queries the response was YES. [2025-03-15 01:01:33,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 814 conditions, 638 events. 36/638 cut-off events. For 133/145 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3321 event pairs, 23 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 608. Up to 57 conditions per place. [2025-03-15 01:01:33,310 INFO L140 encePairwiseOnDemand]: 217/220 looper letters, 12 selfloop transitions, 2 changer transitions 11/197 dead transitions. [2025-03-15 01:01:33,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 197 transitions, 490 flow [2025-03-15 01:01:33,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 595 transitions. [2025-03-15 01:01:33,313 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9015151515151515 [2025-03-15 01:01:33,314 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, -8 predicate places. [2025-03-15 01:01:33,314 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 197 transitions, 490 flow [2025-03-15 01:01:33,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.33333333333334) internal successors, (583), 3 states have internal predecessors, (583), 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 01:01:33,314 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:33,314 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] [2025-03-15 01:01:33,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:01:33,314 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:33,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:33,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1509619152, now seen corresponding path program 1 times [2025-03-15 01:01:33,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:33,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755973033] [2025-03-15 01:01:33,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:33,828 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 01:01:33,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:33,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755973033] [2025-03-15 01:01:33,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755973033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:33,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:33,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:01:33,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455757792] [2025-03-15 01:01:33,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:33,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:01:33,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:33,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:01:33,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:01:33,830 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 220 [2025-03-15 01:01:33,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 197 transitions, 490 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 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 01:01:33,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:33,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 220 [2025-03-15 01:01:33,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:34,017 INFO L124 PetriNetUnfolderBase]: 91/952 cut-off events. [2025-03-15 01:01:34,017 INFO L125 PetriNetUnfolderBase]: For 360/372 co-relation queries the response was YES. [2025-03-15 01:01:34,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1379 conditions, 952 events. 91/952 cut-off events. For 360/372 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 5998 event pairs, 71 based on Foata normal form. 0/862 useless extension candidates. Maximal degree in co-relation 1105. Up to 178 conditions per place. [2025-03-15 01:01:34,023 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 28 selfloop transitions, 5 changer transitions 11/196 dead transitions. [2025-03-15 01:01:34,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 196 transitions, 556 flow [2025-03-15 01:01:34,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:01:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:01:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1085 transitions. [2025-03-15 01:01:34,026 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.821969696969697 [2025-03-15 01:01:34,026 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, -4 predicate places. [2025-03-15 01:01:34,026 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 196 transitions, 556 flow [2025-03-15 01:01:34,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 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 01:01:34,029 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:34,029 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] [2025-03-15 01:01:34,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:01:34,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:34,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1690577105, now seen corresponding path program 1 times [2025-03-15 01:01:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:34,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658198103] [2025-03-15 01:01:34,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:34,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:34,071 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 01:01:34,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:34,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658198103] [2025-03-15 01:01:34,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658198103] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:34,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:34,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:34,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906532032] [2025-03-15 01:01:34,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:34,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:34,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:34,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:34,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:34,073 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 220 [2025-03-15 01:01:34,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 196 transitions, 556 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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 01:01:34,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:34,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 220 [2025-03-15 01:01:34,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:34,189 INFO L124 PetriNetUnfolderBase]: 94/924 cut-off events. [2025-03-15 01:01:34,189 INFO L125 PetriNetUnfolderBase]: For 573/591 co-relation queries the response was YES. [2025-03-15 01:01:34,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1438 conditions, 924 events. 94/924 cut-off events. For 573/591 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5572 event pairs, 52 based on Foata normal form. 0/843 useless extension candidates. Maximal degree in co-relation 1104. Up to 170 conditions per place. [2025-03-15 01:01:34,195 INFO L140 encePairwiseOnDemand]: 216/220 looper letters, 11 selfloop transitions, 2 changer transitions 12/199 dead transitions. [2025-03-15 01:01:34,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 199 transitions, 625 flow [2025-03-15 01:01:34,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2025-03-15 01:01:34,196 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9212121212121213 [2025-03-15 01:01:34,197 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, -4 predicate places. [2025-03-15 01:01:34,197 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 199 transitions, 625 flow [2025-03-15 01:01:34,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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 01:01:34,197 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:34,197 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] [2025-03-15 01:01:34,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:01:34,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:34,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:34,198 INFO L85 PathProgramCache]: Analyzing trace with hash -969601805, now seen corresponding path program 1 times [2025-03-15 01:01:34,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:34,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675734028] [2025-03-15 01:01:34,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:34,308 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 01:01:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675734028] [2025-03-15 01:01:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675734028] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:34,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:01:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909833062] [2025-03-15 01:01:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:34,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:01:34,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:34,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:01:34,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:01:34,312 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 220 [2025-03-15 01:01:34,313 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 199 transitions, 625 flow. Second operand has 7 states, 7 states have (on average 171.14285714285714) internal successors, (1198), 7 states have internal predecessors, (1198), 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 01:01:34,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:34,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 220 [2025-03-15 01:01:34,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:34,529 INFO L124 PetriNetUnfolderBase]: 214/1369 cut-off events. [2025-03-15 01:01:34,529 INFO L125 PetriNetUnfolderBase]: For 2352/2563 co-relation queries the response was YES. [2025-03-15 01:01:34,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2750 conditions, 1369 events. 214/1369 cut-off events. For 2352/2563 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 8849 event pairs, 119 based on Foata normal form. 2/1211 useless extension candidates. Maximal degree in co-relation 1637. Up to 276 conditions per place. [2025-03-15 01:01:34,534 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 52 selfloop transitions, 14 changer transitions 15/226 dead transitions. [2025-03-15 01:01:34,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 226 transitions, 936 flow [2025-03-15 01:01:34,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:01:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:01:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1747 transitions. [2025-03-15 01:01:34,538 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7940909090909091 [2025-03-15 01:01:34,539 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 5 predicate places. [2025-03-15 01:01:34,539 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 226 transitions, 936 flow [2025-03-15 01:01:34,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 171.14285714285714) internal successors, (1198), 7 states have internal predecessors, (1198), 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 01:01:34,539 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:34,539 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, 1, 1, 1, 1] [2025-03-15 01:01:34,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:01:34,540 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:34,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1008879390, now seen corresponding path program 1 times [2025-03-15 01:01:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:34,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680289631] [2025-03-15 01:01:34,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:34,662 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 01:01:34,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:34,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680289631] [2025-03-15 01:01:34,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680289631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:34,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:34,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-15 01:01:34,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256397413] [2025-03-15 01:01:34,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:34,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:01:34,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:34,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:01:34,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:01:34,666 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 220 [2025-03-15 01:01:34,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 226 transitions, 936 flow. Second operand has 7 states, 7 states have (on average 171.28571428571428) internal successors, (1199), 7 states have internal predecessors, (1199), 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 01:01:34,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:34,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 220 [2025-03-15 01:01:34,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:34,904 INFO L124 PetriNetUnfolderBase]: 250/1268 cut-off events. [2025-03-15 01:01:34,904 INFO L125 PetriNetUnfolderBase]: For 2439/2573 co-relation queries the response was YES. [2025-03-15 01:01:34,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2867 conditions, 1268 events. 250/1268 cut-off events. For 2439/2573 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 7729 event pairs, 145 based on Foata normal form. 0/1091 useless extension candidates. Maximal degree in co-relation 1946. Up to 309 conditions per place. [2025-03-15 01:01:34,910 INFO L140 encePairwiseOnDemand]: 207/220 looper letters, 43 selfloop transitions, 8 changer transitions 30/226 dead transitions. [2025-03-15 01:01:34,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 226 transitions, 1057 flow [2025-03-15 01:01:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:01:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:01:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1745 transitions. [2025-03-15 01:01:34,915 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7931818181818182 [2025-03-15 01:01:34,916 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 14 predicate places. [2025-03-15 01:01:34,916 INFO L471 AbstractCegarLoop]: Abstraction has has 229 places, 226 transitions, 1057 flow [2025-03-15 01:01:34,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 171.28571428571428) internal successors, (1199), 7 states have internal predecessors, (1199), 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 01:01:34,917 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:34,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:01:34,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:01:34,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:34,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:34,918 INFO L85 PathProgramCache]: Analyzing trace with hash -453458992, now seen corresponding path program 1 times [2025-03-15 01:01:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:34,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539598901] [2025-03-15 01:01:34,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:34,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:35,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:01:35,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:35,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539598901] [2025-03-15 01:01:35,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539598901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:35,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:35,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:01:35,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338621999] [2025-03-15 01:01:35,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:35,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:01:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:35,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:01:35,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:01:35,271 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 220 [2025-03-15 01:01:35,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 226 transitions, 1057 flow. Second operand has 6 states, 6 states have (on average 180.66666666666666) internal successors, (1084), 6 states have internal predecessors, (1084), 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 01:01:35,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:35,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 220 [2025-03-15 01:01:35,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:35,545 INFO L124 PetriNetUnfolderBase]: 266/1404 cut-off events. [2025-03-15 01:01:35,545 INFO L125 PetriNetUnfolderBase]: For 2883/3012 co-relation queries the response was YES. [2025-03-15 01:01:35,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3400 conditions, 1404 events. 266/1404 cut-off events. For 2883/3012 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 8821 event pairs, 131 based on Foata normal form. 0/1243 useless extension candidates. Maximal degree in co-relation 2428. Up to 321 conditions per place. [2025-03-15 01:01:35,554 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 63 selfloop transitions, 5 changer transitions 33/257 dead transitions. [2025-03-15 01:01:35,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 257 transitions, 1447 flow [2025-03-15 01:01:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:01:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:01:35,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1131 transitions. [2025-03-15 01:01:35,560 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8568181818181818 [2025-03-15 01:01:35,561 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 18 predicate places. [2025-03-15 01:01:35,561 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 257 transitions, 1447 flow [2025-03-15 01:01:35,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.66666666666666) internal successors, (1084), 6 states have internal predecessors, (1084), 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 01:01:35,561 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:35,563 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:01:35,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:01:35,563 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2025-03-15 01:01:35,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:35,564 INFO L85 PathProgramCache]: Analyzing trace with hash -582871553, now seen corresponding path program 1 times [2025-03-15 01:01:35,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:35,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469175197] [2025-03-15 01:01:35,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:01:35,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:35,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469175197] [2025-03-15 01:01:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469175197] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:01:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622912023] [2025-03-15 01:01:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:35,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:01:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:35,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:01:35,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:01:35,864 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 220 [2025-03-15 01:01:35,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 257 transitions, 1447 flow. Second operand has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 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 01:01:35,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:35,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 220 [2025-03-15 01:01:35,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:36,149 INFO L124 PetriNetUnfolderBase]: 255/1507 cut-off events. [2025-03-15 01:01:36,149 INFO L125 PetriNetUnfolderBase]: For 3467/3609 co-relation queries the response was YES. [2025-03-15 01:01:36,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3832 conditions, 1507 events. 255/1507 cut-off events. For 3467/3609 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 9565 event pairs, 136 based on Foata normal form. 0/1369 useless extension candidates. Maximal degree in co-relation 2766. Up to 300 conditions per place. [2025-03-15 01:01:36,155 INFO L140 encePairwiseOnDemand]: 214/220 looper letters, 0 selfloop transitions, 0 changer transitions 280/280 dead transitions. [2025-03-15 01:01:36,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 280 transitions, 1881 flow [2025-03-15 01:01:36,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:01:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:01:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1126 transitions. [2025-03-15 01:01:36,158 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.853030303030303 [2025-03-15 01:01:36,158 INFO L298 CegarLoopForPetriNet]: 215 programPoint places, 22 predicate places. [2025-03-15 01:01:36,158 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 280 transitions, 1881 flow [2025-03-15 01:01:36,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 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 01:01:36,168 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/popl20-bad-counter-queue.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2025-03-15 01:01:36,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2025-03-15 01:01:36,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2025-03-15 01:01:36,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2025-03-15 01:01:36,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2025-03-15 01:01:36,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2025-03-15 01:01:36,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:01:36,199 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:01:36,204 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:01:36,204 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:01:36,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:01:36 BasicIcfg [2025-03-15 01:01:36,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:01:36,212 INFO L158 Benchmark]: Toolchain (without parser) took 4481.03ms. Allocated memory was 71.3MB in the beginning and 226.5MB in the end (delta: 155.2MB). Free memory was 45.3MB in the beginning and 79.5MB in the end (delta: -34.2MB). Peak memory consumption was 118.4MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.31ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 32.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.92ms. Allocated memory is still 71.3MB. Free memory was 32.9MB in the beginning and 30.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: Boogie Preprocessor took 34.07ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 29.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: RCFGBuilder took 424.60ms. Allocated memory is still 71.3MB. Free memory was 29.5MB in the beginning and 36.4MB in the end (delta: -6.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,213 INFO L158 Benchmark]: TraceAbstraction took 3790.79ms. Allocated memory was 71.3MB in the beginning and 226.5MB in the end (delta: 155.2MB). Free memory was 35.4MB in the beginning and 79.5MB in the end (delta: -44.1MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.31ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 32.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.92ms. Allocated memory is still 71.3MB. Free memory was 32.9MB in the beginning and 30.9MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.07ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 29.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 424.60ms. Allocated memory is still 71.3MB. Free memory was 29.5MB in the beginning and 36.4MB in the end (delta: -6.9MB). Peak memory consumption was 11.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3790.79ms. Allocated memory was 71.3MB in the beginning and 226.5MB in the end (delta: 155.2MB). Free memory was 35.4MB in the beginning and 79.5MB in the end (delta: -44.1MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: 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, 315 locations, 18 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: 3.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 172 mSDsluCounter, 257 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 615 IncrementalHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 144 mSDtfsCounter, 615 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1881occurred in iteration=9, InterpolantAutomatonStates: 50, 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, 1.5s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 535 ConstructedInterpolants, 0 QuantifiedInterpolants, 1092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 2/2 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:01:36,231 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...