/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/pthread-race-challenges/per-thread-array-ptr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:06:42,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:06:42,104 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 01:06:42,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:06:42,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:06:42,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:06:42,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:06:42,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:06:42,145 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:06:42,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:06:42,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:06:42,146 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:06:42,146 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 01:06:42,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:06:42,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:06:42,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:06:42,421 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:06:42,421 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:06:42,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-race-challenges/per-thread-array-ptr.i [2025-03-15 01:06:43,676 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c683e8/16332c1cb7ab45f5a3092c4b24109d1e/FLAGc6dcd19d3 [2025-03-15 01:06:43,978 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:06:43,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-race-challenges/per-thread-array-ptr.i [2025-03-15 01:06:43,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c683e8/16332c1cb7ab45f5a3092c4b24109d1e/FLAGc6dcd19d3 [2025-03-15 01:06:44,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/048c683e8/16332c1cb7ab45f5a3092c4b24109d1e [2025-03-15 01:06:44,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:06:44,016 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:06:44,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:06:44,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:06:44,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:06:44,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8809c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44, skipping insertion in model container [2025-03-15 01:06:44,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:06:44,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:06:44,324 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:06:44,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:06:44,410 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:06:44,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44 WrapperNode [2025-03-15 01:06:44,412 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:06:44,413 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:06:44,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:06:44,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:06:44,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,441 INFO L138 Inliner]: procedures = 261, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2025-03-15 01:06:44,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:06:44,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:06:44,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:06:44,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:06:44,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:06:44,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:06:44,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:06:44,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:06:44,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (1/1) ... [2025-03-15 01:06:44,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:06:44,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:06:44,498 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 01:06:44,500 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 01:06:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 01:06:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:06:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:06:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:06:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2025-03-15 01:06:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2025-03-15 01:06:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:06:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:06:44,524 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 01:06:44,641 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:06:44,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:06:44,820 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:06:44,821 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:06:44,832 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:06:44,832 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:06:44,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:06:44 BoogieIcfgContainer [2025-03-15 01:06:44,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:06:44,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:06:44,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:06:44,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:06:44,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:06:44" (1/3) ... [2025-03-15 01:06:44,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6d26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:06:44, skipping insertion in model container [2025-03-15 01:06:44,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:06:44" (2/3) ... [2025-03-15 01:06:44,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a6d26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:06:44, skipping insertion in model container [2025-03-15 01:06:44,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:06:44" (3/3) ... [2025-03-15 01:06:44,842 INFO L128 eAbstractionObserver]: Analyzing ICFG per-thread-array-ptr.i [2025-03-15 01:06:44,856 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:06:44,858 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG per-thread-array-ptr.i that has 2 procedures, 80 locations, 1 initial locations, 2 loop locations, and 3 error locations. [2025-03-15 01:06:44,858 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:06:44,941 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:06:44,977 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:06:44,986 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;@793ed8bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:06:44,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-15 01:06:45,021 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:06:45,021 INFO L124 PetriNetUnfolderBase]: 1/47 cut-off events. [2025-03-15 01:06:45,022 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:06:45,022 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:45,024 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] [2025-03-15 01:06:45,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:06:45,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:45,029 INFO L85 PathProgramCache]: Analyzing trace with hash -248330984, now seen corresponding path program 1 times [2025-03-15 01:06:45,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:45,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007455991] [2025-03-15 01:06:45,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:45,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:45,709 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 01:06:45,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007455991] [2025-03-15 01:06:45,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007455991] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:45,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:45,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:45,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512996246] [2025-03-15 01:06:45,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:45,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:45,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:45,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:45,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:45,746 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 82 [2025-03-15 01:06:45,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 82 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 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 01:06:45,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:45,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 82 [2025-03-15 01:06:45,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:46,084 INFO L124 PetriNetUnfolderBase]: 157/538 cut-off events. [2025-03-15 01:06:46,084 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-15 01:06:46,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 538 events. 157/538 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2971 event pairs, 98 based on Foata normal form. 1/476 useless extension candidates. Maximal degree in co-relation 826. Up to 320 conditions per place. [2025-03-15 01:06:46,095 INFO L140 encePairwiseOnDemand]: 70/82 looper letters, 41 selfloop transitions, 22 changer transitions 1/110 dead transitions. [2025-03-15 01:06:46,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 110 transitions, 353 flow [2025-03-15 01:06:46,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:46,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 347 transitions. [2025-03-15 01:06:46,108 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7052845528455285 [2025-03-15 01:06:46,110 INFO L298 CegarLoopForPetriNet]: 83 programPoint places, 5 predicate places. [2025-03-15 01:06:46,110 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 110 transitions, 353 flow [2025-03-15 01:06:46,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 48.833333333333336) internal successors, (293), 6 states have internal predecessors, (293), 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 01:06:46,111 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:46,111 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] [2025-03-15 01:06:46,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:06:46,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:06:46,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:46,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1144854076, now seen corresponding path program 1 times [2025-03-15 01:06:46,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:46,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462703441] [2025-03-15 01:06:46,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:46,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:46,209 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 01:06:46,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:46,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462703441] [2025-03-15 01:06:46,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462703441] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:46,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:46,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863190066] [2025-03-15 01:06:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:46,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:06:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:46,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:06:46,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:06:46,213 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 82 [2025-03-15 01:06:46,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 110 transitions, 353 flow. Second operand has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 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 01:06:46,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:46,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 82 [2025-03-15 01:06:46,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:46,355 INFO L124 PetriNetUnfolderBase]: 157/529 cut-off events. [2025-03-15 01:06:46,355 INFO L125 PetriNetUnfolderBase]: For 78/84 co-relation queries the response was YES. [2025-03-15 01:06:46,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 529 events. 157/529 cut-off events. For 78/84 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2795 event pairs, 98 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 985. Up to 322 conditions per place. [2025-03-15 01:06:46,359 INFO L140 encePairwiseOnDemand]: 74/82 looper letters, 43 selfloop transitions, 2 changer transitions 7/123 dead transitions. [2025-03-15 01:06:46,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 123 transitions, 501 flow [2025-03-15 01:06:46,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:46,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 330 transitions. [2025-03-15 01:06:46,360 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6707317073170732 [2025-03-15 01:06:46,361 INFO L298 CegarLoopForPetriNet]: 83 programPoint places, 10 predicate places. [2025-03-15 01:06:46,361 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 123 transitions, 501 flow [2025-03-15 01:06:46,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 50.2) internal successors, (251), 5 states have internal predecessors, (251), 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 01:06:46,361 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:46,361 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:46,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:06:46,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:06:46,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:46,362 INFO L85 PathProgramCache]: Analyzing trace with hash 286244749, now seen corresponding path program 1 times [2025-03-15 01:06:46,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:46,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571932965] [2025-03-15 01:06:46,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:46,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:46,659 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 01:06:46,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:46,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571932965] [2025-03-15 01:06:46,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571932965] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:46,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:46,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:46,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503930145] [2025-03-15 01:06:46,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:46,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:46,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:46,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:46,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:46,661 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 82 [2025-03-15 01:06:46,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 123 transitions, 501 flow. Second operand has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 01:06:46,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:46,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 82 [2025-03-15 01:06:46,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:46,876 INFO L124 PetriNetUnfolderBase]: 245/741 cut-off events. [2025-03-15 01:06:46,877 INFO L125 PetriNetUnfolderBase]: For 178/205 co-relation queries the response was YES. [2025-03-15 01:06:46,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2058 conditions, 741 events. 245/741 cut-off events. For 178/205 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4297 event pairs, 93 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 1898. Up to 418 conditions per place. [2025-03-15 01:06:46,885 INFO L140 encePairwiseOnDemand]: 67/82 looper letters, 66 selfloop transitions, 52 changer transitions 13/184 dead transitions. [2025-03-15 01:06:46,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 184 transitions, 1083 flow [2025-03-15 01:06:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:46,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 420 transitions. [2025-03-15 01:06:46,887 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8536585365853658 [2025-03-15 01:06:46,888 INFO L298 CegarLoopForPetriNet]: 83 programPoint places, 15 predicate places. [2025-03-15 01:06:46,888 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 184 transitions, 1083 flow [2025-03-15 01:06:46,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.333333333333336) internal successors, (356), 6 states have internal predecessors, (356), 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 01:06:46,888 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:46,888 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] [2025-03-15 01:06:46,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:06:46,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:06:46,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash -2097669551, now seen corresponding path program 1 times [2025-03-15 01:06:46,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:46,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003040837] [2025-03-15 01:06:46,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:47,149 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 01:06:47,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:47,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003040837] [2025-03-15 01:06:47,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003040837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:47,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:47,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:47,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690720983] [2025-03-15 01:06:47,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:47,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:47,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:47,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:47,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:47,153 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 82 [2025-03-15 01:06:47,153 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 184 transitions, 1083 flow. Second operand has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 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 01:06:47,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:47,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 82 [2025-03-15 01:06:47,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:47,379 INFO L124 PetriNetUnfolderBase]: 287/858 cut-off events. [2025-03-15 01:06:47,379 INFO L125 PetriNetUnfolderBase]: For 442/485 co-relation queries the response was YES. [2025-03-15 01:06:47,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 858 events. 287/858 cut-off events. For 442/485 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 5238 event pairs, 104 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 2731. Up to 490 conditions per place. [2025-03-15 01:06:47,386 INFO L140 encePairwiseOnDemand]: 71/82 looper letters, 114 selfloop transitions, 25 changer transitions 39/223 dead transitions. [2025-03-15 01:06:47,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 223 transitions, 1672 flow [2025-03-15 01:06:47,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:47,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 358 transitions. [2025-03-15 01:06:47,388 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7276422764227642 [2025-03-15 01:06:47,388 INFO L298 CegarLoopForPetriNet]: 83 programPoint places, 20 predicate places. [2025-03-15 01:06:47,388 INFO L471 AbstractCegarLoop]: Abstraction has has 103 places, 223 transitions, 1672 flow [2025-03-15 01:06:47,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.833333333333336) internal successors, (311), 6 states have internal predecessors, (311), 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 01:06:47,388 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:47,389 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 01:06:47,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:06:47,389 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-15 01:06:47,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:47,389 INFO L85 PathProgramCache]: Analyzing trace with hash -842310318, now seen corresponding path program 1 times [2025-03-15 01:06:47,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:47,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553922899] [2025-03-15 01:06:47,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:47,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 01:06:47,421 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 01:06:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 01:06:47,451 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 01:06:47,452 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 01:06:47,452 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2025-03-15 01:06:47,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2025-03-15 01:06:47,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2025-03-15 01:06:47,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2025-03-15 01:06:47,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2025-03-15 01:06:47,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:06:47,454 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:06:47,457 WARN L336 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 01:06:47,457 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-15 01:06:47,480 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:06:47,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:06:47,482 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;@793ed8bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:06:47,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-15 01:06:47,485 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:06:47,485 INFO L124 PetriNetUnfolderBase]: 1/47 cut-off events. [2025-03-15 01:06:47,485 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:06:47,485 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:47,485 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] [2025-03-15 01:06:47,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:47,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1641257468, now seen corresponding path program 1 times [2025-03-15 01:06:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:47,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171550706] [2025-03-15 01:06:47,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:47,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:47,675 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 01:06:47,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:47,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171550706] [2025-03-15 01:06:47,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171550706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:47,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:47,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:47,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440358964] [2025-03-15 01:06:47,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:47,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:47,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:47,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:47,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:47,677 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 100 [2025-03-15 01:06:47,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 100 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 58.833333333333336) internal successors, (353), 6 states have internal predecessors, (353), 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 01:06:47,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:47,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 100 [2025-03-15 01:06:47,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:48,287 INFO L124 PetriNetUnfolderBase]: 2587/5574 cut-off events. [2025-03-15 01:06:48,287 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2025-03-15 01:06:48,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9937 conditions, 5574 events. 2587/5574 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 43199 event pairs, 1839 based on Foata normal form. 1/4877 useless extension candidates. Maximal degree in co-relation 6565. Up to 3804 conditions per place. [2025-03-15 01:06:48,309 INFO L140 encePairwiseOnDemand]: 84/100 looper letters, 58 selfloop transitions, 38 changer transitions 1/153 dead transitions. [2025-03-15 01:06:48,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 153 transitions, 519 flow [2025-03-15 01:06:48,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:48,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:48,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 440 transitions. [2025-03-15 01:06:48,311 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2025-03-15 01:06:48,311 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 5 predicate places. [2025-03-15 01:06:48,311 INFO L471 AbstractCegarLoop]: Abstraction has has 107 places, 153 transitions, 519 flow [2025-03-15 01:06:48,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 58.833333333333336) internal successors, (353), 6 states have internal predecessors, (353), 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 01:06:48,312 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:48,312 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] [2025-03-15 01:06:48,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:06:48,312 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:48,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:48,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1260524768, now seen corresponding path program 1 times [2025-03-15 01:06:48,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:48,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643784134] [2025-03-15 01:06:48,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:48,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:48,362 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 01:06:48,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:48,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643784134] [2025-03-15 01:06:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643784134] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:48,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:48,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:48,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513959336] [2025-03-15 01:06:48,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:48,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:06:48,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:48,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:06:48,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:06:48,364 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 100 [2025-03-15 01:06:48,365 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 153 transitions, 519 flow. Second operand has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 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 01:06:48,365 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:48,365 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 100 [2025-03-15 01:06:48,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:48,879 INFO L124 PetriNetUnfolderBase]: 2586/5530 cut-off events. [2025-03-15 01:06:48,879 INFO L125 PetriNetUnfolderBase]: For 945/1056 co-relation queries the response was YES. [2025-03-15 01:06:48,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11479 conditions, 5530 events. 2586/5530 cut-off events. For 945/1056 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 42283 event pairs, 1743 based on Foata normal form. 0/4811 useless extension candidates. Maximal degree in co-relation 2458. Up to 3804 conditions per place. [2025-03-15 01:06:48,907 INFO L140 encePairwiseOnDemand]: 92/100 looper letters, 48 selfloop transitions, 2 changer transitions 7/168 dead transitions. [2025-03-15 01:06:48,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 168 transitions, 685 flow [2025-03-15 01:06:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:48,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 430 transitions. [2025-03-15 01:06:48,909 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2025-03-15 01:06:48,910 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 10 predicate places. [2025-03-15 01:06:48,910 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 168 transitions, 685 flow [2025-03-15 01:06:48,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 66.2) internal successors, (331), 5 states have internal predecessors, (331), 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 01:06:48,910 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:48,910 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:06:48,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:06:48,910 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:48,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:48,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1799233377, now seen corresponding path program 1 times [2025-03-15 01:06:48,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:48,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439008786] [2025-03-15 01:06:48,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:49,123 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 01:06:49,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:49,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439008786] [2025-03-15 01:06:49,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439008786] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:49,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:49,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:49,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282150144] [2025-03-15 01:06:49,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:49,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:49,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:49,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:49,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:49,125 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 100 [2025-03-15 01:06:49,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 168 transitions, 685 flow. Second operand has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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 01:06:49,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:49,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 100 [2025-03-15 01:06:49,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:50,229 INFO L124 PetriNetUnfolderBase]: 5669/11365 cut-off events. [2025-03-15 01:06:50,229 INFO L125 PetriNetUnfolderBase]: For 2826/3312 co-relation queries the response was YES. [2025-03-15 01:06:50,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30762 conditions, 11365 events. 5669/11365 cut-off events. For 2826/3312 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 93530 event pairs, 2200 based on Foata normal form. 7/10157 useless extension candidates. Maximal degree in co-relation 11299. Up to 7374 conditions per place. [2025-03-15 01:06:50,291 INFO L140 encePairwiseOnDemand]: 81/100 looper letters, 133 selfloop transitions, 96 changer transitions 7/307 dead transitions. [2025-03-15 01:06:50,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 307 transitions, 1877 flow [2025-03-15 01:06:50,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:50,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 520 transitions. [2025-03-15 01:06:50,294 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-03-15 01:06:50,295 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 15 predicate places. [2025-03-15 01:06:50,295 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 307 transitions, 1877 flow [2025-03-15 01:06:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 69.33333333333333) internal successors, (416), 6 states have internal predecessors, (416), 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 01:06:50,296 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:50,296 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] [2025-03-15 01:06:50,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:06:50,296 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:50,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:50,296 INFO L85 PathProgramCache]: Analyzing trace with hash -513759647, now seen corresponding path program 1 times [2025-03-15 01:06:50,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607580225] [2025-03-15 01:06:50,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:50,493 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 01:06:50,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:50,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607580225] [2025-03-15 01:06:50,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607580225] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:50,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:50,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:06:50,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998872639] [2025-03-15 01:06:50,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:50,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:06:50,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:50,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:06:50,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:06:50,494 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 100 [2025-03-15 01:06:50,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 307 transitions, 1877 flow. Second operand has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 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 01:06:50,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:50,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 100 [2025-03-15 01:06:50,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:51,851 INFO L124 PetriNetUnfolderBase]: 7267/14179 cut-off events. [2025-03-15 01:06:51,851 INFO L125 PetriNetUnfolderBase]: For 5329/6075 co-relation queries the response was YES. [2025-03-15 01:06:51,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48105 conditions, 14179 events. 7267/14179 cut-off events. For 5329/6075 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 116929 event pairs, 2418 based on Foata normal form. 14/12715 useless extension candidates. Maximal degree in co-relation 18932. Up to 9169 conditions per place. [2025-03-15 01:06:51,952 INFO L140 encePairwiseOnDemand]: 85/100 looper letters, 264 selfloop transitions, 80 changer transitions 10/417 dead transitions. [2025-03-15 01:06:51,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 417 transitions, 3281 flow [2025-03-15 01:06:51,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:06:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:06:51,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 451 transitions. [2025-03-15 01:06:51,954 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7516666666666667 [2025-03-15 01:06:51,954 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 20 predicate places. [2025-03-15 01:06:51,954 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 417 transitions, 3281 flow [2025-03-15 01:06:51,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 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 01:06:51,955 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:51,955 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:51,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:06:51,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:51,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:51,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1618316588, now seen corresponding path program 1 times [2025-03-15 01:06:51,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:51,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190189967] [2025-03-15 01:06:51,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:51,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:52,461 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 01:06:52,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:52,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190189967] [2025-03-15 01:06:52,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190189967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:52,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:52,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:06:52,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534578277] [2025-03-15 01:06:52,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:52,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:06:52,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:52,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:06:52,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:06:52,464 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:06:52,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 417 transitions, 3281 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:06:52,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:52,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:06:52,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:54,822 INFO L124 PetriNetUnfolderBase]: 9814/19152 cut-off events. [2025-03-15 01:06:54,822 INFO L125 PetriNetUnfolderBase]: For 14046/17669 co-relation queries the response was YES. [2025-03-15 01:06:54,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79049 conditions, 19152 events. 9814/19152 cut-off events. For 14046/17669 co-relation queries the response was YES. Maximal size of possible extension queue 622. Compared 163427 event pairs, 2087 based on Foata normal form. 53/17344 useless extension candidates. Maximal degree in co-relation 42313. Up to 12072 conditions per place. [2025-03-15 01:06:54,948 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 633 selfloop transitions, 263 changer transitions 21/966 dead transitions. [2025-03-15 01:06:54,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 966 transitions, 9608 flow [2025-03-15 01:06:54,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:06:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:06:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1225 transitions. [2025-03-15 01:06:54,951 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2025-03-15 01:06:54,952 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 40 predicate places. [2025-03-15 01:06:54,952 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 966 transitions, 9608 flow [2025-03-15 01:06:54,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:06:54,952 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:54,952 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:54,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:06:54,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:54,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash -278537221, now seen corresponding path program 1 times [2025-03-15 01:06:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:54,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61029221] [2025-03-15 01:06:54,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:06:54,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:06:55,265 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 01:06:55,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:55,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61029221] [2025-03-15 01:06:55,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61029221] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:55,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:55,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:06:55,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832424605] [2025-03-15 01:06:55,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:55,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:06:55,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:55,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:06:55,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:06:55,267 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 100 [2025-03-15 01:06:55,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 966 transitions, 9608 flow. Second operand has 14 states, 14 states have (on average 54.857142857142854) internal successors, (768), 14 states have internal predecessors, (768), 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 01:06:55,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:55,268 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 100 [2025-03-15 01:06:55,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:06:59,029 INFO L124 PetriNetUnfolderBase]: 10844/20717 cut-off events. [2025-03-15 01:06:59,029 INFO L125 PetriNetUnfolderBase]: For 20329/26564 co-relation queries the response was YES. [2025-03-15 01:06:59,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103138 conditions, 20717 events. 10844/20717 cut-off events. For 20329/26564 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 174835 event pairs, 2034 based on Foata normal form. 243/19058 useless extension candidates. Maximal degree in co-relation 87199. Up to 13258 conditions per place. [2025-03-15 01:06:59,216 INFO L140 encePairwiseOnDemand]: 78/100 looper letters, 984 selfloop transitions, 565 changer transitions 32/1652 dead transitions. [2025-03-15 01:06:59,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 1652 transitions, 19926 flow [2025-03-15 01:06:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-15 01:06:59,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2025-03-15 01:06:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 1568 transitions. [2025-03-15 01:06:59,220 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6533333333333333 [2025-03-15 01:06:59,220 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 63 predicate places. [2025-03-15 01:06:59,220 INFO L471 AbstractCegarLoop]: Abstraction has has 165 places, 1652 transitions, 19926 flow [2025-03-15 01:06:59,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 54.857142857142854) internal successors, (768), 14 states have internal predecessors, (768), 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 01:06:59,221 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:06:59,221 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:06:59,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 01:06:59,221 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:06:59,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:06:59,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1260327608, now seen corresponding path program 2 times [2025-03-15 01:06:59,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:06:59,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218865565] [2025-03-15 01:06:59,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:06:59,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:06:59,238 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:06:59,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:06:59,723 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 01:06:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:06:59,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218865565] [2025-03-15 01:06:59,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218865565] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:06:59,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:06:59,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:06:59,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329683602] [2025-03-15 01:06:59,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:06:59,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:06:59,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:06:59,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:06:59,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:06:59,725 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:06:59,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 1652 transitions, 19926 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:06:59,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:06:59,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:06:59,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:04,037 INFO L124 PetriNetUnfolderBase]: 11580/22015 cut-off events. [2025-03-15 01:07:04,037 INFO L125 PetriNetUnfolderBase]: For 23400/27801 co-relation queries the response was YES. [2025-03-15 01:07:04,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127650 conditions, 22015 events. 11580/22015 cut-off events. For 23400/27801 co-relation queries the response was YES. Maximal size of possible extension queue 726. Compared 186761 event pairs, 1797 based on Foata normal form. 173/20213 useless extension candidates. Maximal degree in co-relation 115002. Up to 14381 conditions per place. [2025-03-15 01:07:04,193 INFO L140 encePairwiseOnDemand]: 78/100 looper letters, 1457 selfloop transitions, 471 changer transitions 32/2018 dead transitions. [2025-03-15 01:07:04,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 2018 transitions, 28226 flow [2025-03-15 01:07:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-15 01:07:04,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2025-03-15 01:07:04,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1279 transitions. [2025-03-15 01:07:04,196 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5813636363636364 [2025-03-15 01:07:04,197 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 84 predicate places. [2025-03-15 01:07:04,197 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 2018 transitions, 28226 flow [2025-03-15 01:07:04,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:04,197 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:04,197 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:04,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:07:04,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:04,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:04,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1898348062, now seen corresponding path program 3 times [2025-03-15 01:07:04,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:04,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242620992] [2025-03-15 01:07:04,198 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:07:04,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:04,212 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:07:04,212 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:04,503 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 01:07:04,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:04,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242620992] [2025-03-15 01:07:04,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242620992] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:04,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:04,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:04,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212192813] [2025-03-15 01:07:04,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:04,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:04,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:04,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:04,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:04,505 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:04,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 2018 transitions, 28226 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:04,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:04,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:04,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:09,545 INFO L124 PetriNetUnfolderBase]: 11814/22641 cut-off events. [2025-03-15 01:07:09,546 INFO L125 PetriNetUnfolderBase]: For 31783/43205 co-relation queries the response was YES. [2025-03-15 01:07:09,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 148208 conditions, 22641 events. 11814/22641 cut-off events. For 31783/43205 co-relation queries the response was YES. Maximal size of possible extension queue 748. Compared 194258 event pairs, 1822 based on Foata normal form. 286/20927 useless extension candidates. Maximal degree in co-relation 133163. Up to 14748 conditions per place. [2025-03-15 01:07:09,755 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 1618 selfloop transitions, 446 changer transitions 32/2154 dead transitions. [2025-03-15 01:07:09,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 2154 transitions, 34352 flow [2025-03-15 01:07:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:07:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:07:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1159 transitions. [2025-03-15 01:07:09,759 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5795 [2025-03-15 01:07:09,759 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 103 predicate places. [2025-03-15 01:07:09,759 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 2154 transitions, 34352 flow [2025-03-15 01:07:09,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:09,759 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:09,760 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:09,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:07:09,760 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:09,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash -769229660, now seen corresponding path program 4 times [2025-03-15 01:07:09,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:09,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004724018] [2025-03-15 01:07:09,760 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:07:09,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:09,781 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:07:09,781 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:10,056 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 01:07:10,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:10,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004724018] [2025-03-15 01:07:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004724018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:10,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:10,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548262364] [2025-03-15 01:07:10,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:10,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:10,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:10,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:10,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:10,058 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:10,059 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 2154 transitions, 34352 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:10,059 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:10,059 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:10,059 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:15,784 INFO L124 PetriNetUnfolderBase]: 12306/23795 cut-off events. [2025-03-15 01:07:15,784 INFO L125 PetriNetUnfolderBase]: For 48317/65027 co-relation queries the response was YES. [2025-03-15 01:07:15,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173613 conditions, 23795 events. 12306/23795 cut-off events. For 48317/65027 co-relation queries the response was YES. Maximal size of possible extension queue 791. Compared 207285 event pairs, 2076 based on Foata normal form. 332/22061 useless extension candidates. Maximal degree in co-relation 155589. Up to 15527 conditions per place. [2025-03-15 01:07:16,043 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 1743 selfloop transitions, 587 changer transitions 32/2420 dead transitions. [2025-03-15 01:07:16,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 2420 transitions, 43451 flow [2025-03-15 01:07:16,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:07:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:07:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1219 transitions. [2025-03-15 01:07:16,045 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5804761904761905 [2025-03-15 01:07:16,046 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 123 predicate places. [2025-03-15 01:07:16,046 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 2420 transitions, 43451 flow [2025-03-15 01:07:16,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:16,046 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:16,046 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:16,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:07:16,046 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:16,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:16,047 INFO L85 PathProgramCache]: Analyzing trace with hash 909644810, now seen corresponding path program 5 times [2025-03-15 01:07:16,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:16,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451818765] [2025-03-15 01:07:16,047 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:07:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:16,061 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:16,061 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:16,320 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 01:07:16,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:16,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451818765] [2025-03-15 01:07:16,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451818765] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:16,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:16,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:16,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001535581] [2025-03-15 01:07:16,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:16,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:16,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:16,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:16,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:16,322 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:16,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 2420 transitions, 43451 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:16,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:16,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:16,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:23,116 INFO L124 PetriNetUnfolderBase]: 12350/24197 cut-off events. [2025-03-15 01:07:23,116 INFO L125 PetriNetUnfolderBase]: For 59079/86383 co-relation queries the response was YES. [2025-03-15 01:07:23,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193390 conditions, 24197 events. 12350/24197 cut-off events. For 59079/86383 co-relation queries the response was YES. Maximal size of possible extension queue 810. Compared 213904 event pairs, 1840 based on Foata normal form. 363/22586 useless extension candidates. Maximal degree in co-relation 161341. Up to 15620 conditions per place. [2025-03-15 01:07:23,336 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 1835 selfloop transitions, 754 changer transitions 32/2679 dead transitions. [2025-03-15 01:07:23,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 2679 transitions, 53432 flow [2025-03-15 01:07:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:07:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:07:23,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1220 transitions. [2025-03-15 01:07:23,338 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.580952380952381 [2025-03-15 01:07:23,339 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 143 predicate places. [2025-03-15 01:07:23,339 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 2679 transitions, 53432 flow [2025-03-15 01:07:23,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:23,339 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:23,339 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:23,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:07:23,339 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:23,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:23,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1704458526, now seen corresponding path program 6 times [2025-03-15 01:07:23,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:23,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364286937] [2025-03-15 01:07:23,340 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:07:23,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:23,357 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:07:23,357 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:23,657 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 01:07:23,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:23,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364286937] [2025-03-15 01:07:23,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364286937] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:23,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:23,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:23,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212169788] [2025-03-15 01:07:23,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:23,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:23,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:23,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:23,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:23,659 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:23,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 2679 transitions, 53432 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:23,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:23,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:23,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:31,206 INFO L124 PetriNetUnfolderBase]: 12678/25062 cut-off events. [2025-03-15 01:07:31,206 INFO L125 PetriNetUnfolderBase]: For 75722/110905 co-relation queries the response was YES. [2025-03-15 01:07:31,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 218474 conditions, 25062 events. 12678/25062 cut-off events. For 75722/110905 co-relation queries the response was YES. Maximal size of possible extension queue 841. Compared 224209 event pairs, 1882 based on Foata normal form. 424/23477 useless extension candidates. Maximal degree in co-relation 193821. Up to 16126 conditions per place. [2025-03-15 01:07:31,460 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 2116 selfloop transitions, 682 changer transitions 32/2888 dead transitions. [2025-03-15 01:07:31,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 2888 transitions, 63291 flow [2025-03-15 01:07:31,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:07:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:07:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1033 transitions. [2025-03-15 01:07:31,462 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5738888888888889 [2025-03-15 01:07:31,462 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 160 predicate places. [2025-03-15 01:07:31,462 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 2888 transitions, 63291 flow [2025-03-15 01:07:31,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:31,462 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:31,462 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:31,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 01:07:31,463 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:31,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:31,463 INFO L85 PathProgramCache]: Analyzing trace with hash 62901102, now seen corresponding path program 7 times [2025-03-15 01:07:31,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:31,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593579110] [2025-03-15 01:07:31,463 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:07:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:07:31,741 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 01:07:31,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:31,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593579110] [2025-03-15 01:07:31,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593579110] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:31,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:31,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:31,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016920319] [2025-03-15 01:07:31,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:31,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:31,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:31,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:31,743 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:31,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 2888 transitions, 63291 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:31,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:31,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:31,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:41,451 INFO L124 PetriNetUnfolderBase]: 14085/27989 cut-off events. [2025-03-15 01:07:41,451 INFO L125 PetriNetUnfolderBase]: For 109948/152253 co-relation queries the response was YES. [2025-03-15 01:07:41,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 265271 conditions, 27989 events. 14085/27989 cut-off events. For 109948/152253 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 255530 event pairs, 1916 based on Foata normal form. 528/26298 useless extension candidates. Maximal degree in co-relation 234366. Up to 18158 conditions per place. [2025-03-15 01:07:41,720 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 2407 selfloop transitions, 934 changer transitions 32/3431 dead transitions. [2025-03-15 01:07:41,720 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 3431 transitions, 82169 flow [2025-03-15 01:07:41,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:07:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:07:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1152 transitions. [2025-03-15 01:07:41,722 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.576 [2025-03-15 01:07:41,722 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 179 predicate places. [2025-03-15 01:07:41,723 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 3431 transitions, 82169 flow [2025-03-15 01:07:41,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:41,723 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:41,723 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:41,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-15 01:07:41,723 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:41,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:41,724 INFO L85 PathProgramCache]: Analyzing trace with hash -305618376, now seen corresponding path program 8 times [2025-03-15 01:07:41,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:41,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625741144] [2025-03-15 01:07:41,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:07:41,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:41,733 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:07:41,733 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:41,982 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 01:07:41,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:41,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625741144] [2025-03-15 01:07:41,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625741144] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:41,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:41,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:41,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456669147] [2025-03-15 01:07:41,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:41,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:41,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:41,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:41,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:41,983 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:41,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 3431 transitions, 82169 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:41,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:41,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:41,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:07:53,736 INFO L124 PetriNetUnfolderBase]: 14684/29407 cut-off events. [2025-03-15 01:07:53,736 INFO L125 PetriNetUnfolderBase]: For 145838/196626 co-relation queries the response was YES. [2025-03-15 01:07:53,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300143 conditions, 29407 events. 14684/29407 cut-off events. For 145838/196626 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 272191 event pairs, 1909 based on Foata normal form. 639/27765 useless extension candidates. Maximal degree in co-relation 264225. Up to 19073 conditions per place. [2025-03-15 01:07:54,094 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 2676 selfloop transitions, 1014 changer transitions 32/3780 dead transitions. [2025-03-15 01:07:54,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 3780 transitions, 98128 flow [2025-03-15 01:07:54,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:07:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:07:54,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1148 transitions. [2025-03-15 01:07:54,096 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.574 [2025-03-15 01:07:54,096 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 198 predicate places. [2025-03-15 01:07:54,097 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 3780 transitions, 98128 flow [2025-03-15 01:07:54,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:54,097 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:07:54,097 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:07:54,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-15 01:07:54,097 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:07:54,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:07:54,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1051604354, now seen corresponding path program 9 times [2025-03-15 01:07:54,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:07:54,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409928364] [2025-03-15 01:07:54,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:07:54,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:07:54,109 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:07:54,109 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:07:54,529 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 01:07:54,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:07:54,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409928364] [2025-03-15 01:07:54,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409928364] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:07:54,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:07:54,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:07:54,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784191711] [2025-03-15 01:07:54,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:07:54,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:07:54,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:07:54,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:07:54,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:07:54,531 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:07:54,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 3780 transitions, 98128 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:07:54,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:07:54,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:07:54,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:10,274 INFO L124 PetriNetUnfolderBase]: 14917/30003 cut-off events. [2025-03-15 01:08:10,274 INFO L125 PetriNetUnfolderBase]: For 180442/240313 co-relation queries the response was YES. [2025-03-15 01:08:10,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 328159 conditions, 30003 events. 14917/30003 cut-off events. For 180442/240313 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 279237 event pairs, 1919 based on Foata normal form. 681/28378 useless extension candidates. Maximal degree in co-relation 288687. Up to 19440 conditions per place. [2025-03-15 01:08:10,646 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 2847 selfloop transitions, 981 changer transitions 32/3918 dead transitions. [2025-03-15 01:08:10,646 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 3918 transitions, 109491 flow [2025-03-15 01:08:10,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:08:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:08:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1085 transitions. [2025-03-15 01:08:10,648 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5710526315789474 [2025-03-15 01:08:10,648 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 216 predicate places. [2025-03-15 01:08:10,648 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 3918 transitions, 109491 flow [2025-03-15 01:08:10,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:10,649 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:10,649 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:10,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-15 01:08:10,649 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:10,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:10,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1149832742, now seen corresponding path program 10 times [2025-03-15 01:08:10,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:10,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203735628] [2025-03-15 01:08:10,649 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:08:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:10,663 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:08:10,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:10,935 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 01:08:10,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:10,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203735628] [2025-03-15 01:08:10,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203735628] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:10,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:10,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:10,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018629777] [2025-03-15 01:08:10,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:10,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:10,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:10,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:10,938 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:08:10,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 3918 transitions, 109491 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:10,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:10,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:08:10,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:28,203 INFO L124 PetriNetUnfolderBase]: 14957/30411 cut-off events. [2025-03-15 01:08:28,204 INFO L125 PetriNetUnfolderBase]: For 238789/303812 co-relation queries the response was YES. [2025-03-15 01:08:28,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353167 conditions, 30411 events. 14957/30411 cut-off events. For 238789/303812 co-relation queries the response was YES. Maximal size of possible extension queue 1017. Compared 286209 event pairs, 2134 based on Foata normal form. 697/28859 useless extension candidates. Maximal degree in co-relation 310036. Up to 19567 conditions per place. [2025-03-15 01:08:28,574 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 2926 selfloop transitions, 1107 changer transitions 32/4123 dead transitions. [2025-03-15 01:08:28,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 4123 transitions, 123439 flow [2025-03-15 01:08:28,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:08:28,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:08:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1145 transitions. [2025-03-15 01:08:28,576 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5725 [2025-03-15 01:08:28,577 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 235 predicate places. [2025-03-15 01:08:28,577 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 4123 transitions, 123439 flow [2025-03-15 01:08:28,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:28,577 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:28,577 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:28,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-15 01:08:28,577 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:28,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:28,578 INFO L85 PathProgramCache]: Analyzing trace with hash -775078738, now seen corresponding path program 11 times [2025-03-15 01:08:28,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:28,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386874734] [2025-03-15 01:08:28,578 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:08:28,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:28,587 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:08:28,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:28,835 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 01:08:28,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:28,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386874734] [2025-03-15 01:08:28,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386874734] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:28,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:28,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:28,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784698664] [2025-03-15 01:08:28,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:28,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:28,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:28,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:28,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:28,837 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:08:28,838 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 4123 transitions, 123439 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:28,838 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:28,838 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:08:28,838 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:08:48,051 INFO L124 PetriNetUnfolderBase]: 15295/31333 cut-off events. [2025-03-15 01:08:48,052 INFO L125 PetriNetUnfolderBase]: For 278565/353074 co-relation queries the response was YES. [2025-03-15 01:08:48,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 385803 conditions, 31333 events. 15295/31333 cut-off events. For 278565/353074 co-relation queries the response was YES. Maximal size of possible extension queue 1059. Compared 298353 event pairs, 2206 based on Foata normal form. 723/29766 useless extension candidates. Maximal degree in co-relation 337424. Up to 20092 conditions per place. [2025-03-15 01:08:48,471 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 3145 selfloop transitions, 1095 changer transitions 32/4330 dead transitions. [2025-03-15 01:08:48,471 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 4330 transitions, 138268 flow [2025-03-15 01:08:48,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:08:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:08:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1089 transitions. [2025-03-15 01:08:48,473 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5731578947368421 [2025-03-15 01:08:48,473 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 253 predicate places. [2025-03-15 01:08:48,473 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 4330 transitions, 138268 flow [2025-03-15 01:08:48,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:48,474 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:08:48,474 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:08:48,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-15 01:08:48,474 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:08:48,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:08:48,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1318451462, now seen corresponding path program 12 times [2025-03-15 01:08:48,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:08:48,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911860286] [2025-03-15 01:08:48,475 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:08:48,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:08:48,485 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:08:48,485 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:08:48,709 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 01:08:48,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:08:48,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911860286] [2025-03-15 01:08:48,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911860286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:08:48,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:08:48,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:08:48,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308938294] [2025-03-15 01:08:48,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:08:48,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:08:48,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:08:48,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:08:48,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:08:48,710 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:08:48,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 4330 transitions, 138268 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:08:48,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:08:48,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:08:48,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:10,699 INFO L124 PetriNetUnfolderBase]: 15790/32525 cut-off events. [2025-03-15 01:09:10,699 INFO L125 PetriNetUnfolderBase]: For 315188/404269 co-relation queries the response was YES. [2025-03-15 01:09:10,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423312 conditions, 32525 events. 15790/32525 cut-off events. For 315188/404269 co-relation queries the response was YES. Maximal size of possible extension queue 1114. Compared 312679 event pairs, 2001 based on Foata normal form. 744/30951 useless extension candidates. Maximal degree in co-relation 369257. Up to 20837 conditions per place. [2025-03-15 01:09:11,291 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 3273 selfloop transitions, 1241 changer transitions 32/4604 dead transitions. [2025-03-15 01:09:11,292 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 4604 transitions, 156248 flow [2025-03-15 01:09:11,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:09:11,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:09:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1149 transitions. [2025-03-15 01:09:11,293 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5745 [2025-03-15 01:09:11,294 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 272 predicate places. [2025-03-15 01:09:11,294 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 4604 transitions, 156248 flow [2025-03-15 01:09:11,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:09:11,295 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:11,295 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:09:11,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-15 01:09:11,295 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:11,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:11,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1078304350, now seen corresponding path program 13 times [2025-03-15 01:09:11,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:11,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546348423] [2025-03-15 01:09:11,296 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:09:11,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:09:11,543 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 01:09:11,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:11,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546348423] [2025-03-15 01:09:11,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546348423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:11,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:11,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:11,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249986285] [2025-03-15 01:09:11,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:11,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:11,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:11,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:11,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:11,545 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:09:11,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 4604 transitions, 156248 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:09:11,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:11,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:09:11,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:09:35,303 INFO L124 PetriNetUnfolderBase]: 16317/33689 cut-off events. [2025-03-15 01:09:35,303 INFO L125 PetriNetUnfolderBase]: For 412597/506970 co-relation queries the response was YES. [2025-03-15 01:09:35,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463831 conditions, 33689 events. 16317/33689 cut-off events. For 412597/506970 co-relation queries the response was YES. Maximal size of possible extension queue 1156. Compared 326466 event pairs, 2179 based on Foata normal form. 774/32078 useless extension candidates. Maximal degree in co-relation 404648. Up to 21701 conditions per place. [2025-03-15 01:09:35,768 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 3289 selfloop transitions, 1542 changer transitions 32/4921 dead transitions. [2025-03-15 01:09:35,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 4921 transitions, 176897 flow [2025-03-15 01:09:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:09:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:09:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1149 transitions. [2025-03-15 01:09:35,770 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5745 [2025-03-15 01:09:35,770 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 291 predicate places. [2025-03-15 01:09:35,770 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 4921 transitions, 176897 flow [2025-03-15 01:09:35,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:09:35,770 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:09:35,770 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:09:35,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-15 01:09:35,771 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:09:35,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:09:35,771 INFO L85 PathProgramCache]: Analyzing trace with hash -828492292, now seen corresponding path program 14 times [2025-03-15 01:09:35,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:09:35,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788297263] [2025-03-15 01:09:35,771 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:09:35,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:09:35,781 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:09:35,782 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:09:36,012 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 01:09:36,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:09:36,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788297263] [2025-03-15 01:09:36,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788297263] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:09:36,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:09:36,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:09:36,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431240727] [2025-03-15 01:09:36,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:09:36,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:09:36,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:09:36,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:09:36,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:09:36,014 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 47 out of 100 [2025-03-15 01:09:36,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 4921 transitions, 176897 flow. Second operand has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:09:36,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:09:36,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 47 of 100 [2025-03-15 01:09:36,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:04,271 INFO L124 PetriNetUnfolderBase]: 16850/34830 cut-off events. [2025-03-15 01:10:04,271 INFO L125 PetriNetUnfolderBase]: For 474749/578346 co-relation queries the response was YES. [2025-03-15 01:10:04,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 505756 conditions, 34830 events. 16850/34830 cut-off events. For 474749/578346 co-relation queries the response was YES. Maximal size of possible extension queue 1228. Compared 339764 event pairs, 2221 based on Foata normal form. 690/33096 useless extension candidates. Maximal degree in co-relation 441765. Up to 22544 conditions per place. [2025-03-15 01:10:04,778 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 3219 selfloop transitions, 2000 changer transitions 32/5309 dead transitions. [2025-03-15 01:10:04,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 5309 transitions, 201530 flow [2025-03-15 01:10:04,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:10:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:10:04,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1149 transitions. [2025-03-15 01:10:04,780 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5745 [2025-03-15 01:10:04,780 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 310 predicate places. [2025-03-15 01:10:04,781 INFO L471 AbstractCegarLoop]: Abstraction has has 412 places, 5309 transitions, 201530 flow [2025-03-15 01:10:04,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 49.357142857142854) internal successors, (691), 14 states have internal predecessors, (691), 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 01:10:04,781 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:04,781 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] [2025-03-15 01:10:04,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-15 01:10:04,781 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:10:04,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:04,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1127730798, now seen corresponding path program 1 times [2025-03-15 01:10:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:04,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524197277] [2025-03-15 01:10:04,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:10:04,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:10:04,983 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 01:10:04,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:04,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524197277] [2025-03-15 01:10:04,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524197277] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:04,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:04,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:10:04,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437930248] [2025-03-15 01:10:04,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:04,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:10:04,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:04,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:10:04,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:10:04,984 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:10:04,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 5309 transitions, 201530 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:10:04,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:04,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:10:04,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:10:43,340 INFO L124 PetriNetUnfolderBase]: 17836/36591 cut-off events. [2025-03-15 01:10:43,340 INFO L125 PetriNetUnfolderBase]: For 558878/680782 co-relation queries the response was YES. [2025-03-15 01:10:43,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561069 conditions, 36591 events. 17836/36591 cut-off events. For 558878/680782 co-relation queries the response was YES. Maximal size of possible extension queue 1295. Compared 357263 event pairs, 2218 based on Foata normal form. 420/34482 useless extension candidates. Maximal degree in co-relation 491747. Up to 23718 conditions per place. [2025-03-15 01:10:43,925 INFO L140 encePairwiseOnDemand]: 78/100 looper letters, 5108 selfloop transitions, 378 changer transitions 56/5672 dead transitions. [2025-03-15 01:10:43,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 5672 transitions, 225902 flow [2025-03-15 01:10:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:10:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:10:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1276 transitions. [2025-03-15 01:10:43,928 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6076190476190476 [2025-03-15 01:10:43,928 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 330 predicate places. [2025-03-15 01:10:43,928 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 5672 transitions, 225902 flow [2025-03-15 01:10:43,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:10:43,929 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:10:43,929 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] [2025-03-15 01:10:43,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-15 01:10:43,929 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:10:43,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:10:43,929 INFO L85 PathProgramCache]: Analyzing trace with hash -244756158, now seen corresponding path program 2 times [2025-03-15 01:10:43,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:10:43,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750443335] [2025-03-15 01:10:43,929 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:10:43,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:10:43,938 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:10:43,938 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:10:44,135 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 01:10:44,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:10:44,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750443335] [2025-03-15 01:10:44,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750443335] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:10:44,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:10:44,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:10:44,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495993226] [2025-03-15 01:10:44,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:10:44,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:10:44,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:10:44,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:10:44,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:10:44,137 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:10:44,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 5672 transitions, 225902 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:10:44,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:10:44,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:10:44,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:11:20,701 INFO L124 PetriNetUnfolderBase]: 18328/37596 cut-off events. [2025-03-15 01:11:20,702 INFO L125 PetriNetUnfolderBase]: For 636159/726418 co-relation queries the response was YES. [2025-03-15 01:11:20,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 604136 conditions, 37596 events. 18328/37596 cut-off events. For 636159/726418 co-relation queries the response was YES. Maximal size of possible extension queue 1307. Compared 368030 event pairs, 2201 based on Foata normal form. 380/35403 useless extension candidates. Maximal degree in co-relation 529656. Up to 24130 conditions per place. [2025-03-15 01:11:21,362 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 5322 selfloop transitions, 340 changer transitions 82/5874 dead transitions. [2025-03-15 01:11:21,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 450 places, 5874 transitions, 245384 flow [2025-03-15 01:11:21,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:11:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:11:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1152 transitions. [2025-03-15 01:11:21,364 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6063157894736843 [2025-03-15 01:11:21,365 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 348 predicate places. [2025-03-15 01:11:21,365 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 5874 transitions, 245384 flow [2025-03-15 01:11:21,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:11:21,365 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:11:21,365 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] [2025-03-15 01:11:21,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-15 01:11:21,365 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:11:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:11:21,366 INFO L85 PathProgramCache]: Analyzing trace with hash 747272536, now seen corresponding path program 3 times [2025-03-15 01:11:21,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:11:21,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037156487] [2025-03-15 01:11:21,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:11:21,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:11:21,376 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:11:21,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:11:21,590 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 01:11:21,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:11:21,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037156487] [2025-03-15 01:11:21,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037156487] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:11:21,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:11:21,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:11:21,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204568803] [2025-03-15 01:11:21,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:11:21,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:11:21,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:11:21,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:11:21,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:11:21,592 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:11:21,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 5874 transitions, 245384 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:11:21,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:11:21,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:11:21,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:12:07,929 INFO L124 PetriNetUnfolderBase]: 19497/39843 cut-off events. [2025-03-15 01:12:07,929 INFO L125 PetriNetUnfolderBase]: For 732921/822066 co-relation queries the response was YES. [2025-03-15 01:12:08,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 672295 conditions, 39843 events. 19497/39843 cut-off events. For 732921/822066 co-relation queries the response was YES. Maximal size of possible extension queue 1392. Compared 392384 event pairs, 2246 based on Foata normal form. 428/37512 useless extension candidates. Maximal degree in co-relation 590391. Up to 25500 conditions per place. [2025-03-15 01:12:08,659 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 5497 selfloop transitions, 595 changer transitions 118/6340 dead transitions. [2025-03-15 01:12:08,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 469 places, 6340 transitions, 277411 flow [2025-03-15 01:12:08,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:12:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:12:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1216 transitions. [2025-03-15 01:12:08,661 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.608 [2025-03-15 01:12:08,661 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 367 predicate places. [2025-03-15 01:12:08,661 INFO L471 AbstractCegarLoop]: Abstraction has has 469 places, 6340 transitions, 277411 flow [2025-03-15 01:12:08,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:12:08,662 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:12:08,662 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] [2025-03-15 01:12:08,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-15 01:12:08,662 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:12:08,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:12:08,663 INFO L85 PathProgramCache]: Analyzing trace with hash -638709000, now seen corresponding path program 4 times [2025-03-15 01:12:08,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:12:08,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499290829] [2025-03-15 01:12:08,663 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:12:08,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:12:08,674 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:12:08,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:12:09,077 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 01:12:09,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:12:09,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499290829] [2025-03-15 01:12:09,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499290829] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:12:09,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:12:09,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:12:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54377339] [2025-03-15 01:12:09,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:12:09,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:12:09,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:12:09,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:12:09,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:12:09,079 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:12:09,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 469 places, 6340 transitions, 277411 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:12:09,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:12:09,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:12:09,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:13:09,430 INFO L124 PetriNetUnfolderBase]: 19572/40151 cut-off events. [2025-03-15 01:13:09,431 INFO L125 PetriNetUnfolderBase]: For 815196/913876 co-relation queries the response was YES. [2025-03-15 01:13:09,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 705865 conditions, 40151 events. 19572/40151 cut-off events. For 815196/913876 co-relation queries the response was YES. Maximal size of possible extension queue 1396. Compared 397374 event pairs, 2260 based on Foata normal form. 446/37910 useless extension candidates. Maximal degree in co-relation 619519. Up to 25622 conditions per place. [2025-03-15 01:13:10,106 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 5676 selfloop transitions, 582 changer transitions 153/6541 dead transitions. [2025-03-15 01:13:10,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 6541 transitions, 299016 flow [2025-03-15 01:13:10,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:13:10,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:13:10,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1214 transitions. [2025-03-15 01:13:10,108 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.607 [2025-03-15 01:13:10,108 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 386 predicate places. [2025-03-15 01:13:10,108 INFO L471 AbstractCegarLoop]: Abstraction has has 488 places, 6541 transitions, 299016 flow [2025-03-15 01:13:10,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:13:10,109 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:13:10,109 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] [2025-03-15 01:13:10,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-15 01:13:10,109 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:13:10,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:13:10,110 INFO L85 PathProgramCache]: Analyzing trace with hash -2039735456, now seen corresponding path program 5 times [2025-03-15 01:13:10,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:13:10,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534058603] [2025-03-15 01:13:10,110 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:13:10,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:13:10,122 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:13:10,122 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:13:10,355 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 01:13:10,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:13:10,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534058603] [2025-03-15 01:13:10,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534058603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:13:10,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:13:10,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:13:10,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669288104] [2025-03-15 01:13:10,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:13:10,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:13:10,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:13:10,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:13:10,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:13:10,357 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:13:10,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 6541 transitions, 299016 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:13:10,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:13:10,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:13:10,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:14:22,486 INFO L124 PetriNetUnfolderBase]: 20308/41591 cut-off events. [2025-03-15 01:14:22,487 INFO L125 PetriNetUnfolderBase]: For 934460/1040739 co-relation queries the response was YES. [2025-03-15 01:14:22,647 INFO L83 FinitePrefix]: Finished finitePrefix Result has 764302 conditions, 41591 events. 20308/41591 cut-off events. For 934460/1040739 co-relation queries the response was YES. Maximal size of possible extension queue 1464. Compared 413375 event pairs, 2246 based on Foata normal form. 419/39256 useless extension candidates. Maximal degree in co-relation 671244. Up to 26646 conditions per place. [2025-03-15 01:14:23,264 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 5695 selfloop transitions, 910 changer transitions 200/6935 dead transitions. [2025-03-15 01:14:23,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 507 places, 6935 transitions, 330771 flow [2025-03-15 01:14:23,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-15 01:14:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2025-03-15 01:14:23,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 1215 transitions. [2025-03-15 01:14:23,266 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6075 [2025-03-15 01:14:23,266 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 405 predicate places. [2025-03-15 01:14:23,266 INFO L471 AbstractCegarLoop]: Abstraction has has 507 places, 6935 transitions, 330771 flow [2025-03-15 01:14:23,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:14:23,267 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:14:23,267 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] [2025-03-15 01:14:23,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-15 01:14:23,267 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:14:23,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:14:23,268 INFO L85 PathProgramCache]: Analyzing trace with hash -307262734, now seen corresponding path program 6 times [2025-03-15 01:14:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:14:23,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624151062] [2025-03-15 01:14:23,268 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:14:23,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:14:23,280 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:14:23,280 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:14:23,674 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 01:14:23,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:14:23,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624151062] [2025-03-15 01:14:23,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624151062] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:14:23,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:14:23,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:14:23,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014496561] [2025-03-15 01:14:23,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:14:23,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:14:23,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:14:23,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:14:23,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:14:23,676 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:14:23,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 507 places, 6935 transitions, 330771 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:14:23,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:14:23,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:14:23,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:15:39,886 INFO L124 PetriNetUnfolderBase]: 20687/42513 cut-off events. [2025-03-15 01:15:39,886 INFO L125 PetriNetUnfolderBase]: For 1018963/1134797 co-relation queries the response was YES. [2025-03-15 01:15:40,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 811481 conditions, 42513 events. 20687/42513 cut-off events. For 1018963/1134797 co-relation queries the response was YES. Maximal size of possible extension queue 1491. Compared 424975 event pairs, 2321 based on Foata normal form. 400/40119 useless extension candidates. Maximal degree in co-relation 711951. Up to 27139 conditions per place. [2025-03-15 01:15:40,597 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 6099 selfloop transitions, 678 changer transitions 245/7152 dead transitions. [2025-03-15 01:15:40,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 523 places, 7152 transitions, 354943 flow [2025-03-15 01:15:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-15 01:15:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2025-03-15 01:15:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1022 transitions. [2025-03-15 01:15:40,599 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6011764705882353 [2025-03-15 01:15:40,600 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 421 predicate places. [2025-03-15 01:15:40,600 INFO L471 AbstractCegarLoop]: Abstraction has has 523 places, 7152 transitions, 354943 flow [2025-03-15 01:15:40,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:15:40,600 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:15:40,600 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] [2025-03-15 01:15:40,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-15 01:15:40,600 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:15:40,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:15:40,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1916133390, now seen corresponding path program 7 times [2025-03-15 01:15:40,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:15:40,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948040764] [2025-03-15 01:15:40,601 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:15:40,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:15:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:15:40,831 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 01:15:40,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:15:40,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948040764] [2025-03-15 01:15:40,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948040764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:15:40,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:15:40,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:15:40,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803737295] [2025-03-15 01:15:40,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:15:40,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:15:40,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:15:40,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:15:40,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:15:40,833 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:15:40,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 523 places, 7152 transitions, 354943 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:15:40,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:15:40,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:15:40,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:17:07,659 INFO L124 PetriNetUnfolderBase]: 21993/45037 cut-off events. [2025-03-15 01:17:07,659 INFO L125 PetriNetUnfolderBase]: For 1215877/1339677 co-relation queries the response was YES. [2025-03-15 01:17:07,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 897200 conditions, 45037 events. 21993/45037 cut-off events. For 1215877/1339677 co-relation queries the response was YES. Maximal size of possible extension queue 1578. Compared 452514 event pairs, 2315 based on Foata normal form. 468/42509 useless extension candidates. Maximal degree in co-relation 787862. Up to 28679 conditions per place. [2025-03-15 01:17:08,498 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 6285 selfloop transitions, 946 changer transitions 297/7658 dead transitions. [2025-03-15 01:17:08,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 541 places, 7658 transitions, 395172 flow [2025-03-15 01:17:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:17:08,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:17:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1143 transitions. [2025-03-15 01:17:08,500 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6015789473684211 [2025-03-15 01:17:08,500 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 439 predicate places. [2025-03-15 01:17:08,500 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 7658 transitions, 395172 flow [2025-03-15 01:17:08,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:17:08,501 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:17:08,501 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] [2025-03-15 01:17:08,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-15 01:17:08,501 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:17:08,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:17:08,501 INFO L85 PathProgramCache]: Analyzing trace with hash 733006220, now seen corresponding path program 8 times [2025-03-15 01:17:08,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:17:08,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019581694] [2025-03-15 01:17:08,502 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:17:08,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:17:08,515 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:17:08,516 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:17:08,878 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 01:17:08,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:17:08,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019581694] [2025-03-15 01:17:08,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019581694] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:17:08,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:17:08,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:17:08,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126095208] [2025-03-15 01:17:08,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:17:08,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:17:08,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:17:08,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:17:08,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:17:08,880 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:17:08,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 7658 transitions, 395172 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:17:08,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:17:08,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:17:08,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:18:51,662 INFO L124 PetriNetUnfolderBase]: 23325/47672 cut-off events. [2025-03-15 01:18:51,662 INFO L125 PetriNetUnfolderBase]: For 1382252/1523847 co-relation queries the response was YES. [2025-03-15 01:18:51,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 988136 conditions, 47672 events. 23325/47672 cut-off events. For 1382252/1523847 co-relation queries the response was YES. Maximal size of possible extension queue 1694. Compared 482571 event pairs, 2387 based on Foata normal form. 413/44898 useless extension candidates. Maximal degree in co-relation 870129. Up to 30399 conditions per place. [2025-03-15 01:18:52,712 INFO L140 encePairwiseOnDemand]: 74/100 looper letters, 6499 selfloop transitions, 1221 changer transitions 352/8202 dead transitions. [2025-03-15 01:18:52,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 559 places, 8202 transitions, 439523 flow [2025-03-15 01:18:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:18:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2025-03-15 01:18:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1143 transitions. [2025-03-15 01:18:52,714 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6015789473684211 [2025-03-15 01:18:52,714 INFO L298 CegarLoopForPetriNet]: 102 programPoint places, 457 predicate places. [2025-03-15 01:18:52,714 INFO L471 AbstractCegarLoop]: Abstraction has has 559 places, 8202 transitions, 439523 flow [2025-03-15 01:18:52,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:18:52,715 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:18:52,715 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] [2025-03-15 01:18:52,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-15 01:18:52,715 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2025-03-15 01:18:52,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:18:52,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1055877104, now seen corresponding path program 9 times [2025-03-15 01:18:52,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:18:52,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610187834] [2025-03-15 01:18:52,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:18:52,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:18:52,725 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:18:52,725 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:18:52,917 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 01:18:52,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:18:52,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610187834] [2025-03-15 01:18:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610187834] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:18:52,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:18:52,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:18:52,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526880350] [2025-03-15 01:18:52,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:18:52,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:18:52,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:18:52,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:18:52,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:18:52,919 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 49 out of 100 [2025-03-15 01:18:52,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 559 places, 8202 transitions, 439523 flow. Second operand has 14 states, 14 states have (on average 50.92857142857143) internal successors, (713), 14 states have internal predecessors, (713), 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 01:18:52,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:18:52,919 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 49 of 100 [2025-03-15 01:18:52,919 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 01:20:30,099 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 01:20:30,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2025-03-15 01:20:30,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-15 01:20:30,213 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 49/100 universal loopers) in iteration 28,while PetriNetUnfolder was constructing finite prefix that currently has 900671 conditions, 39560 events (20350/39559 cut-off events. For 1192882/1309723 co-relation queries the response was YES. Maximal size of possible extension queue 1747. Compared 391298 event pairs, 2194 based on Foata normal form. 439/38887 useless extension candidates. Maximal degree in co-relation 795929. Up to 26977 conditions per place.). [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2025-03-15 01:20:30,213 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location threadErr0ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2025-03-15 01:20:30,214 INFO L422 BasicCegarLoop]: Path program histogram: [14, 9, 1, 1, 1, 1, 1] [2025-03-15 01:20:30,221 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2025-03-15 01:20:30,221 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:20:30,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:20:30 BasicIcfg [2025-03-15 01:20:30,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:20:30,231 INFO L158 Benchmark]: Toolchain (without parser) took 826212.44ms. Allocated memory was 71.3MB in the beginning and 2.4GB in the end (delta: 2.4GB). Free memory was 42.8MB in the beginning and 444.6MB in the end (delta: -401.8MB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2025-03-15 01:20:30,231 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 71.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:20:30,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.06ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-03-15 01:20:30,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.99ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:20:30,232 INFO L158 Benchmark]: Boogie Preprocessor took 16.40ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:20:30,232 INFO L158 Benchmark]: RCFGBuilder took 373.68ms. Allocated memory is still 71.3MB. Free memory was 37.3MB in the beginning and 23.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:20:30,232 INFO L158 Benchmark]: TraceAbstraction took 825392.11ms. Allocated memory was 71.3MB in the beginning and 2.4GB in the end (delta: 2.4GB). Free memory was 22.5MB in the beginning and 444.6MB in the end (delta: -422.1MB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2025-03-15 01:20:30,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 71.3MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.06ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.6MB in the end (delta: 2.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.99ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.40ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 373.68ms. Allocated memory is still 71.3MB. Free memory was 37.3MB in the beginning and 23.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 825392.11ms. Allocated memory was 71.3MB in the beginning and 2.4GB in the end (delta: 2.4GB). Free memory was 22.5MB in the beginning and 444.6MB in the end (delta: -422.1MB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 49/100 universal loopers) in iteration 28,while PetriNetUnfolder was constructing finite prefix that currently has 900671 conditions, 39560 events (20350/39559 cut-off events. For 1192882/1309723 co-relation queries the response was YES. Maximal size of possible extension queue 1747. Compared 391298 event pairs, 2194 based on Foata normal form. 439/38887 useless extension candidates. Maximal degree in co-relation 795929. Up to 26977 conditions per place.). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 49/100 universal loopers) in iteration 28,while PetriNetUnfolder was constructing finite prefix that currently has 900671 conditions, 39560 events (20350/39559 cut-off events. For 1192882/1309723 co-relation queries the response was YES. Maximal size of possible extension queue 1747. Compared 391298 event pairs, 2194 based on Foata normal form. 439/38887 useless extension candidates. Maximal degree in co-relation 795929. Up to 26977 conditions per place.). - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 49/100 universal loopers) in iteration 28,while PetriNetUnfolder was constructing finite prefix that currently has 900671 conditions, 39560 events (20350/39559 cut-off events. For 1192882/1309723 co-relation queries the response was YES. Maximal size of possible extension queue 1747. Compared 391298 event pairs, 2194 based on Foata normal form. 439/38887 useless extension candidates. Maximal degree in co-relation 795929. Up to 26977 conditions per place.). - TimeoutResultAtElement [Line: 1021]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (14states, 49/100 universal loopers) in iteration 28,while PetriNetUnfolder was constructing finite prefix that currently has 900671 conditions, 39560 events (20350/39559 cut-off events. For 1192882/1309723 co-relation queries the response was YES. Maximal size of possible extension queue 1747. Compared 391298 event pairs, 2194 based on Foata normal form. 439/38887 useless extension candidates. Maximal degree in co-relation 795929. Up to 26977 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 127 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 471 IncrementalHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 92 mSDtfsCounter, 471 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1672occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.2s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 115 locations, 6 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: 822.7s, OverallIterations: 28, TraceHistogramMax: 2, PathProgramHistogramMax: 14, EmptinessCheckTime: 0.0s, AutomataDifference: 814.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6319 SdHoareTripleChecker+Valid, 12.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6319 mSDsluCounter, 4773 SdHoareTripleChecker+Invalid, 10.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3822 mSDsCounter, 908 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23136 IncrementalHoareTripleChecker+Invalid, 24044 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 908 mSolverCounterUnsat, 951 mSDtfsCounter, 23136 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 662 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3036 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=439523occurred in iteration=27, InterpolantAutomatonStates: 484, 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, 0.2s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 1473 NumberOfCodeBlocks, 1473 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1445 ConstructedInterpolants, 0 QuantifiedInterpolants, 12712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown