/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.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 02:37:17,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 02:37:17,389 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 02:37:17,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 02:37:17,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 02:37:17,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 02:37:17,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 02:37:17,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 02:37:17,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:37:17,411 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 02:37:17,411 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 02:37:17,412 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 02:37:17,412 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 unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 02:37:17,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 02:37:17,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 02:37:17,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 02:37:17,693 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 02:37:17,694 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 02:37:17,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2025-03-15 02:37:18,861 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91e76ba1/769426c93d56409a8160b4f44bae96ab/FLAGa533a81aa [2025-03-15 02:37:19,038 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 02:37:19,038 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-3.wvr.c [2025-03-15 02:37:19,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91e76ba1/769426c93d56409a8160b4f44bae96ab/FLAGa533a81aa [2025-03-15 02:37:19,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a91e76ba1/769426c93d56409a8160b4f44bae96ab [2025-03-15 02:37:19,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 02:37:19,058 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 02:37:19,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 02:37:19,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 02:37:19,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 02:37:19,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e74c9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19, skipping insertion in model container [2025-03-15 02:37:19,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 02:37:19,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:37:19,205 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 02:37:19,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:37:19,238 INFO L204 MainTranslator]: Completed translation [2025-03-15 02:37:19,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19 WrapperNode [2025-03-15 02:37:19,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 02:37:19,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 02:37:19,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 02:37:19,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 02:37:19,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,268 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154 [2025-03-15 02:37:19,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 02:37:19,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 02:37:19,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 02:37:19,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 02:37:19,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,278 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,278 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 02:37:19,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 02:37:19,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 02:37:19,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 02:37:19,296 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (1/1) ... [2025-03-15 02:37:19,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:37:19,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:37:19,324 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 02:37:19,326 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 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 02:37:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 02:37:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-15 02:37:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-15 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 02:37:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 02:37:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 02:37:19,343 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 02:37:19,406 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 02:37:19,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 02:37:19,632 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 02:37:19,632 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 02:37:19,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 02:37:19,695 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 02:37:19,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:37:19 BoogieIcfgContainer [2025-03-15 02:37:19,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 02:37:19,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 02:37:19,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 02:37:19,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 02:37:19,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:37:19" (1/3) ... [2025-03-15 02:37:19,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b39d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:37:19, skipping insertion in model container [2025-03-15 02:37:19,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:37:19" (2/3) ... [2025-03-15 02:37:19,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b39d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:37:19, skipping insertion in model container [2025-03-15 02:37:19,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:37:19" (3/3) ... [2025-03-15 02:37:19,702 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-3.wvr.c [2025-03-15 02:37:19,714 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 02:37:19,716 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-3.wvr.c that has 4 procedures, 156 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2025-03-15 02:37:19,716 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 02:37:19,782 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-15 02:37:19,816 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 02:37:19,828 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;@7a6a4bf1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 02:37:19,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-03-15 02:37:19,865 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 02:37:19,866 INFO L124 PetriNetUnfolderBase]: 1/60 cut-off events. [2025-03-15 02:37:19,867 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 02:37:19,867 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:19,869 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:19,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:19,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:19,875 INFO L85 PathProgramCache]: Analyzing trace with hash 954311887, now seen corresponding path program 1 times [2025-03-15 02:37:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836089810] [2025-03-15 02:37:19,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:20,169 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 02:37:20,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:20,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836089810] [2025-03-15 02:37:20,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836089810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:20,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:20,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:37:20,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576990782] [2025-03-15 02:37:20,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:20,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:37:20,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:20,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:37:20,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:37:20,196 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 162 [2025-03-15 02:37:20,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 162 transitions, 345 flow. Second operand has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 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 02:37:20,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:20,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 162 [2025-03-15 02:37:20,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:20,548 INFO L124 PetriNetUnfolderBase]: 499/1677 cut-off events. [2025-03-15 02:37:20,549 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2025-03-15 02:37:20,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2574 conditions, 1677 events. 499/1677 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13273 event pairs, 455 based on Foata normal form. 115/1243 useless extension candidates. Maximal degree in co-relation 2410. Up to 761 conditions per place. [2025-03-15 02:37:20,575 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 24 selfloop transitions, 3 changer transitions 10/144 dead transitions. [2025-03-15 02:37:20,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 144 transitions, 362 flow [2025-03-15 02:37:20,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:37:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:37:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 533 transitions. [2025-03-15 02:37:20,592 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8225308641975309 [2025-03-15 02:37:20,597 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, -10 predicate places. [2025-03-15 02:37:20,598 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 144 transitions, 362 flow [2025-03-15 02:37:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 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 02:37:20,598 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:20,598 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:20,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 02:37:20,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:20,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:20,600 INFO L85 PathProgramCache]: Analyzing trace with hash 954311888, now seen corresponding path program 1 times [2025-03-15 02:37:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:20,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178066672] [2025-03-15 02:37:20,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:20,776 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 02:37:20,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:20,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178066672] [2025-03-15 02:37:20,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178066672] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:20,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:20,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 02:37:20,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221553710] [2025-03-15 02:37:20,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:20,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 02:37:20,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:20,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 02:37:20,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-15 02:37:20,780 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 162 [2025-03-15 02:37:20,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 144 transitions, 362 flow. Second operand has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 02:37:20,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:20,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 162 [2025-03-15 02:37:20,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:21,023 INFO L124 PetriNetUnfolderBase]: 483/1609 cut-off events. [2025-03-15 02:37:21,023 INFO L125 PetriNetUnfolderBase]: For 317/447 co-relation queries the response was YES. [2025-03-15 02:37:21,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3207 conditions, 1609 events. 483/1609 cut-off events. For 317/447 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13211 event pairs, 387 based on Foata normal form. 0/1088 useless extension candidates. Maximal degree in co-relation 2622. Up to 729 conditions per place. [2025-03-15 02:37:21,037 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 25 selfloop transitions, 8 changer transitions 10/149 dead transitions. [2025-03-15 02:37:21,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 149 transitions, 472 flow [2025-03-15 02:37:21,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 02:37:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 02:37:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 741 transitions. [2025-03-15 02:37:21,041 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7623456790123457 [2025-03-15 02:37:21,041 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, -5 predicate places. [2025-03-15 02:37:21,041 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 149 transitions, 472 flow [2025-03-15 02:37:21,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 118.0) internal successors, (590), 5 states have internal predecessors, (590), 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 02:37:21,042 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:21,042 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:21,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 02:37:21,042 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:21,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:21,043 INFO L85 PathProgramCache]: Analyzing trace with hash 981395480, now seen corresponding path program 1 times [2025-03-15 02:37:21,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:21,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170260739] [2025-03-15 02:37:21,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:21,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:21,224 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 02:37:21,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:21,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170260739] [2025-03-15 02:37:21,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170260739] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:21,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:21,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:37:21,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412151706] [2025-03-15 02:37:21,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:21,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:37:21,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:21,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:37:21,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:37:21,226 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 162 [2025-03-15 02:37:21,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 149 transitions, 472 flow. Second operand has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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 02:37:21,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:21,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 162 [2025-03-15 02:37:21,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:21,435 INFO L124 PetriNetUnfolderBase]: 377/1182 cut-off events. [2025-03-15 02:37:21,435 INFO L125 PetriNetUnfolderBase]: For 504/628 co-relation queries the response was YES. [2025-03-15 02:37:21,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3112 conditions, 1182 events. 377/1182 cut-off events. For 504/628 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 8369 event pairs, 266 based on Foata normal form. 4/809 useless extension candidates. Maximal degree in co-relation 2500. Up to 599 conditions per place. [2025-03-15 02:37:21,443 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 36 selfloop transitions, 11 changer transitions 10/163 dead transitions. [2025-03-15 02:37:21,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 163 transitions, 674 flow [2025-03-15 02:37:21,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 02:37:21,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 02:37:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 871 transitions. [2025-03-15 02:37:21,447 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7680776014109347 [2025-03-15 02:37:21,448 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 1 predicate places. [2025-03-15 02:37:21,448 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 674 flow [2025-03-15 02:37:21,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.0) internal successors, (708), 6 states have internal predecessors, (708), 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 02:37:21,449 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:21,449 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:21,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 02:37:21,449 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:21,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:21,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1928049876, now seen corresponding path program 1 times [2025-03-15 02:37:21,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:21,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728186280] [2025-03-15 02:37:21,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:21,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:21,571 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 02:37:21,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:21,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728186280] [2025-03-15 02:37:21,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728186280] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:21,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:21,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 02:37:21,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524314767] [2025-03-15 02:37:21,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:21,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 02:37:21,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:21,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 02:37:21,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-15 02:37:21,573 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 162 [2025-03-15 02:37:21,574 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 674 flow. Second operand has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 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 02:37:21,574 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:21,574 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 162 [2025-03-15 02:37:21,574 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:21,826 INFO L124 PetriNetUnfolderBase]: 442/1491 cut-off events. [2025-03-15 02:37:21,826 INFO L125 PetriNetUnfolderBase]: For 1268/1515 co-relation queries the response was YES. [2025-03-15 02:37:21,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 1491 events. 442/1491 cut-off events. For 1268/1515 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 11296 event pairs, 123 based on Foata normal form. 0/1121 useless extension candidates. Maximal degree in co-relation 3334. Up to 628 conditions per place. [2025-03-15 02:37:21,837 INFO L140 encePairwiseOnDemand]: 147/162 looper letters, 56 selfloop transitions, 14 changer transitions 10/183 dead transitions. [2025-03-15 02:37:21,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 183 transitions, 989 flow [2025-03-15 02:37:21,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 02:37:21,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 02:37:21,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 740 transitions. [2025-03-15 02:37:21,840 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7613168724279835 [2025-03-15 02:37:21,841 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 6 predicate places. [2025-03-15 02:37:21,841 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 183 transitions, 989 flow [2025-03-15 02:37:21,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 115.4) internal successors, (577), 5 states have internal predecessors, (577), 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 02:37:21,841 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:21,841 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:21,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 02:37:21,842 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:21,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:21,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1928049877, now seen corresponding path program 1 times [2025-03-15 02:37:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:21,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879229764] [2025-03-15 02:37:21,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:21,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:21,918 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 02:37:21,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:21,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879229764] [2025-03-15 02:37:21,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879229764] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:21,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:21,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:37:21,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232391756] [2025-03-15 02:37:21,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:21,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:37:21,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:21,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:37:21,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:37:21,919 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 162 [2025-03-15 02:37:21,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 183 transitions, 989 flow. Second operand has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 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 02:37:21,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:21,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 162 [2025-03-15 02:37:21,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:22,039 INFO L124 PetriNetUnfolderBase]: 247/900 cut-off events. [2025-03-15 02:37:22,039 INFO L125 PetriNetUnfolderBase]: For 1267/1640 co-relation queries the response was YES. [2025-03-15 02:37:22,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2850 conditions, 900 events. 247/900 cut-off events. For 1267/1640 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5676 event pairs, 59 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 2095. Up to 420 conditions per place. [2025-03-15 02:37:22,046 INFO L140 encePairwiseOnDemand]: 156/162 looper letters, 55 selfloop transitions, 3 changer transitions 10/172 dead transitions. [2025-03-15 02:37:22,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 172 transitions, 991 flow [2025-03-15 02:37:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:37:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:37:22,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2025-03-15 02:37:22,047 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7947530864197531 [2025-03-15 02:37:22,048 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 6 predicate places. [2025-03-15 02:37:22,048 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 172 transitions, 991 flow [2025-03-15 02:37:22,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 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 02:37:22,048 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:22,048 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:22,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 02:37:22,048 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:22,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash 836418774, now seen corresponding path program 1 times [2025-03-15 02:37:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:22,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411181450] [2025-03-15 02:37:22,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:22,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:22,199 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 02:37:22,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:22,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411181450] [2025-03-15 02:37:22,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411181450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:22,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:22,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 02:37:22,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309222049] [2025-03-15 02:37:22,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:22,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 02:37:22,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:22,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 02:37:22,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-15 02:37:22,203 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 162 [2025-03-15 02:37:22,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 172 transitions, 991 flow. Second operand has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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 02:37:22,204 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:22,204 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 162 [2025-03-15 02:37:22,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:22,385 INFO L124 PetriNetUnfolderBase]: 189/754 cut-off events. [2025-03-15 02:37:22,385 INFO L125 PetriNetUnfolderBase]: For 1516/1751 co-relation queries the response was YES. [2025-03-15 02:37:22,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2519 conditions, 754 events. 189/754 cut-off events. For 1516/1751 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4453 event pairs, 47 based on Foata normal form. 13/680 useless extension candidates. Maximal degree in co-relation 1840. Up to 321 conditions per place. [2025-03-15 02:37:22,392 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 38 selfloop transitions, 20 changer transitions 10/177 dead transitions. [2025-03-15 02:37:22,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 177 transitions, 1191 flow [2025-03-15 02:37:22,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 02:37:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 02:37:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 983 transitions. [2025-03-15 02:37:22,395 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7584876543209876 [2025-03-15 02:37:22,395 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 10 predicate places. [2025-03-15 02:37:22,395 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 177 transitions, 1191 flow [2025-03-15 02:37:22,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 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 02:37:22,396 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:22,396 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:22,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 02:37:22,396 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:22,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:22,397 INFO L85 PathProgramCache]: Analyzing trace with hash -519326847, now seen corresponding path program 1 times [2025-03-15 02:37:22,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:22,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792646431] [2025-03-15 02:37:22,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:22,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:22,533 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 02:37:22,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:22,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792646431] [2025-03-15 02:37:22,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792646431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:22,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:22,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:37:22,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540526489] [2025-03-15 02:37:22,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:22,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:37:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:22,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:37:22,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:37:22,536 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 162 [2025-03-15 02:37:22,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 177 transitions, 1191 flow. Second operand has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 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 02:37:22,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:22,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 162 [2025-03-15 02:37:22,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:22,727 INFO L124 PetriNetUnfolderBase]: 153/704 cut-off events. [2025-03-15 02:37:22,727 INFO L125 PetriNetUnfolderBase]: For 1898/2093 co-relation queries the response was YES. [2025-03-15 02:37:22,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2354 conditions, 704 events. 153/704 cut-off events. For 1898/2093 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3940 event pairs, 21 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 1737. Up to 254 conditions per place. [2025-03-15 02:37:22,748 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 50 selfloop transitions, 20 changer transitions 13/186 dead transitions. [2025-03-15 02:37:22,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 186 transitions, 1466 flow [2025-03-15 02:37:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 02:37:22,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 02:37:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 850 transitions. [2025-03-15 02:37:22,751 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7495590828924162 [2025-03-15 02:37:22,752 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 16 predicate places. [2025-03-15 02:37:22,752 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 186 transitions, 1466 flow [2025-03-15 02:37:22,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 115.66666666666667) internal successors, (694), 6 states have internal predecessors, (694), 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 02:37:22,752 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:37:22,752 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:22,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 02:37:22,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 24 more)] === [2025-03-15 02:37:22,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:37:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1072267624, now seen corresponding path program 1 times [2025-03-15 02:37:22,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:37:22,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764462665] [2025-03-15 02:37:22,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:37:22,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:37:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:37:22,912 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 02:37:22,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:37:22,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764462665] [2025-03-15 02:37:22,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764462665] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:37:22,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:37:22,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 02:37:22,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633015580] [2025-03-15 02:37:22,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:37:22,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 02:37:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:37:22,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 02:37:22,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-15 02:37:22,915 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 162 [2025-03-15 02:37:22,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 186 transitions, 1466 flow. Second operand has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 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 02:37:22,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:37:22,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 162 [2025-03-15 02:37:22,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:37:23,098 INFO L124 PetriNetUnfolderBase]: 151/675 cut-off events. [2025-03-15 02:37:23,098 INFO L125 PetriNetUnfolderBase]: For 2339/2890 co-relation queries the response was YES. [2025-03-15 02:37:23,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2516 conditions, 675 events. 151/675 cut-off events. For 2339/2890 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3712 event pairs, 17 based on Foata normal form. 0/627 useless extension candidates. Maximal degree in co-relation 2161. Up to 245 conditions per place. [2025-03-15 02:37:23,104 INFO L140 encePairwiseOnDemand]: 150/162 looper letters, 0 selfloop transitions, 0 changer transitions 185/185 dead transitions. [2025-03-15 02:37:23,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 185 transitions, 1618 flow [2025-03-15 02:37:23,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 02:37:23,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 02:37:23,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 962 transitions. [2025-03-15 02:37:23,106 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7422839506172839 [2025-03-15 02:37:23,112 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 20 predicate places. [2025-03-15 02:37:23,112 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 185 transitions, 1618 flow [2025-03-15 02:37:23,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 115.85714285714286) internal successors, (811), 7 states have internal predecessors, (811), 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 02:37:23,121 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/parallel-ticket-3.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 02:37:23,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 27 remaining) [2025-03-15 02:37:23,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 27 remaining) [2025-03-15 02:37:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 27 remaining) [2025-03-15 02:37:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 27 remaining) [2025-03-15 02:37:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 27 remaining) [2025-03-15 02:37:23,155 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 27 remaining) [2025-03-15 02:37:23,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 02:37:23,155 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:37:23,166 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:37:23,166 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:37:23,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:37:23 BasicIcfg [2025-03-15 02:37:23,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:37:23,173 INFO L158 Benchmark]: Toolchain (without parser) took 4116.05ms. Allocated memory was 71.3MB in the beginning and 222.3MB in the end (delta: 151.0MB). Free memory was 43.9MB in the beginning and 86.7MB in the end (delta: -42.8MB). Peak memory consumption was 109.7MB. Max. memory is 8.0GB. [2025-03-15 02:37:23,173 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 71.3MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:37:23,174 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.10ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 02:37:23,174 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.22ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 30.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:37:23,174 INFO L158 Benchmark]: Boogie Preprocessor took 23.07ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 29.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:37:23,174 INFO L158 Benchmark]: RCFGBuilder took 402.39ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 36.4MB in the end (delta: -6.6MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2025-03-15 02:37:23,174 INFO L158 Benchmark]: TraceAbstraction took 3476.03ms. Allocated memory was 71.3MB in the beginning and 222.3MB in the end (delta: 151.0MB). Free memory was 35.5MB in the beginning and 86.7MB in the end (delta: -51.2MB). Peak memory consumption was 98.3MB. Max. memory is 8.0GB. [2025-03-15 02:37:23,175 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 71.3MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.10ms. Allocated memory is still 71.3MB. Free memory was 43.8MB in the beginning and 32.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.22ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 30.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.07ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 29.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 402.39ms. Allocated memory is still 71.3MB. Free memory was 29.8MB in the beginning and 36.4MB in the end (delta: -6.6MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3476.03ms. Allocated memory was 71.3MB in the beginning and 222.3MB in the end (delta: 151.0MB). Free memory was 35.5MB in the beginning and 86.7MB in the end (delta: -51.2MB). Peak memory consumption was 98.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 225 locations, 27 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 656 IncrementalHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 88 mSDtfsCounter, 656 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1618occurred in iteration=8, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 586 NumberOfCodeBlocks, 586 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 578 ConstructedInterpolants, 0 QuantifiedInterpolants, 1240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 02:37:23,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...