/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/chl-time-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 02:31:54,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 02:31:55,014 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 02:31:55,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 02:31:55,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 02:31:55,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 02:31:55,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 02:31:55,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 02:31:55,048 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 02:31:55,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 02:31:55,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 02:31:55,049 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 02:31:55,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:31:55,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 02:31:55,050 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 02:31:55,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 02:31:55,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 02:31:55,051 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 02:31:55,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 02:31:55,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 02:31:55,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 02:31:55,345 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 02:31:55,345 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 02:31:55,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2025-03-15 02:31:56,579 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35cf8abe8/567464c779d3432f8a3902c739ff1fd0/FLAG49029ddc0 [2025-03-15 02:31:56,777 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 02:31:56,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-time-trans.wvr.c [2025-03-15 02:31:56,786 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35cf8abe8/567464c779d3432f8a3902c739ff1fd0/FLAG49029ddc0 [2025-03-15 02:31:56,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35cf8abe8/567464c779d3432f8a3902c739ff1fd0 [2025-03-15 02:31:56,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 02:31:56,809 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 02:31:56,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 02:31:56,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 02:31:56,816 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 02:31:56,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:56,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69463da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56, skipping insertion in model container [2025-03-15 02:31:56,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:56,831 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 02:31:56,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:31:56,959 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 02:31:56,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:31:56,984 INFO L204 MainTranslator]: Completed translation [2025-03-15 02:31:56,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56 WrapperNode [2025-03-15 02:31:56,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 02:31:56,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 02:31:56,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 02:31:56,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 02:31:56,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:56,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,027 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 12, calls inlined = 22, statements flattened = 293 [2025-03-15 02:31:57,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 02:31:57,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 02:31:57,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 02:31:57,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 02:31:57,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,047 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 02:31:57,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 02:31:57,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 02:31:57,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 02:31:57,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (1/1) ... [2025-03-15 02:31:57,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:31:57,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:31:57,096 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 02:31:57,099 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 02:31:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 02:31:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 02:31:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-15 02:31:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 02:31:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 02:31:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 02:31:57,120 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 02:31:57,210 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 02:31:57,212 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 02:31:57,672 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 02:31:57,672 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 02:31:58,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 02:31:58,168 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 02:31:58,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:31:58 BoogieIcfgContainer [2025-03-15 02:31:58,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 02:31:58,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 02:31:58,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 02:31:58,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 02:31:58,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:31:56" (1/3) ... [2025-03-15 02:31:58,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e0a777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:31:58, skipping insertion in model container [2025-03-15 02:31:58,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:31:56" (2/3) ... [2025-03-15 02:31:58,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8e0a777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:31:58, skipping insertion in model container [2025-03-15 02:31:58,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:31:58" (3/3) ... [2025-03-15 02:31:58,176 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-time-trans.wvr.c [2025-03-15 02:31:58,203 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 02:31:58,204 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-time-trans.wvr.c that has 4 procedures, 144 locations, 1 initial locations, 0 loop locations, and 36 error locations. [2025-03-15 02:31:58,204 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 02:31:58,388 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-15 02:31:58,418 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 02:31:58,429 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;@2f721f71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 02:31:58,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2025-03-15 02:31:58,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 02:31:58,456 INFO L124 PetriNetUnfolderBase]: 1/63 cut-off events. [2025-03-15 02:31:58,460 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 02:31:58,461 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:31:58,461 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] [2025-03-15 02:31:58,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:31:58,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:31:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252568, now seen corresponding path program 1 times [2025-03-15 02:31:58,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:31:58,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400247282] [2025-03-15 02:31:58,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:31:58,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:31:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:31:58,727 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 02:31:58,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:31:58,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400247282] [2025-03-15 02:31:58,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400247282] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:31:58,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:31:58,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-15 02:31:58,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890062995] [2025-03-15 02:31:58,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:31:58,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-15 02:31:58,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:31:58,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-15 02:31:58,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-15 02:31:58,765 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 147 [2025-03-15 02:31:58,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 147 transitions, 315 flow. Second operand has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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 02:31:58,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:31:58,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 147 [2025-03-15 02:31:58,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:31:59,851 INFO L124 PetriNetUnfolderBase]: 2421/3990 cut-off events. [2025-03-15 02:31:59,851 INFO L125 PetriNetUnfolderBase]: For 442/442 co-relation queries the response was YES. [2025-03-15 02:31:59,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7970 conditions, 3990 events. 2421/3990 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 849. Compared 28100 event pairs, 2079 based on Foata normal form. 2/805 useless extension candidates. Maximal degree in co-relation 7774. Up to 3643 conditions per place. [2025-03-15 02:31:59,896 INFO L140 encePairwiseOnDemand]: 133/147 looper letters, 35 selfloop transitions, 0 changer transitions 9/124 dead transitions. [2025-03-15 02:31:59,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 124 transitions, 338 flow [2025-03-15 02:31:59,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-15 02:31:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-15 02:31:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 244 transitions. [2025-03-15 02:31:59,908 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8299319727891157 [2025-03-15 02:31:59,911 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -21 predicate places. [2025-03-15 02:31:59,911 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 124 transitions, 338 flow [2025-03-15 02:31:59,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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 02:31:59,912 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:31:59,912 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] [2025-03-15 02:31:59,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 02:31:59,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:31:59,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:31:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252579, now seen corresponding path program 1 times [2025-03-15 02:31:59,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:31:59,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872721809] [2025-03-15 02:31:59,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:31:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:31:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:00,166 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 02:32:00,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:00,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872721809] [2025-03-15 02:32:00,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872721809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:00,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:00,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:00,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719975824] [2025-03-15 02:32:00,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:00,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:00,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:00,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:00,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:00,171 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:00,173 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 124 transitions, 338 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:00,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:00,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:00,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:00,892 INFO L124 PetriNetUnfolderBase]: 1999/3314 cut-off events. [2025-03-15 02:32:00,892 INFO L125 PetriNetUnfolderBase]: For 655/8737 co-relation queries the response was YES. [2025-03-15 02:32:00,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9642 conditions, 3314 events. 1999/3314 cut-off events. For 655/8737 co-relation queries the response was YES. Maximal size of possible extension queue 684. Compared 22601 event pairs, 1698 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 9412. Up to 3012 conditions per place. [2025-03-15 02:32:00,922 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 36 selfloop transitions, 3 changer transitions 9/122 dead transitions. [2025-03-15 02:32:00,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 122 transitions, 410 flow [2025-03-15 02:32:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 402 transitions. [2025-03-15 02:32:00,924 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6836734693877551 [2025-03-15 02:32:00,925 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -20 predicate places. [2025-03-15 02:32:00,925 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 122 transitions, 410 flow [2025-03-15 02:32:00,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:00,925 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:00,925 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] [2025-03-15 02:32:00,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 02:32:00,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:00,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:00,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252569, now seen corresponding path program 1 times [2025-03-15 02:32:00,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:00,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860297049] [2025-03-15 02:32:00,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:00,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:01,042 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 02:32:01,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860297049] [2025-03-15 02:32:01,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860297049] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:01,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:01,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:01,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712616890] [2025-03-15 02:32:01,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:01,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:01,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:01,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:01,044 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:01,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 122 transitions, 410 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:01,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:01,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:01,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:01,562 INFO L124 PetriNetUnfolderBase]: 1620/2725 cut-off events. [2025-03-15 02:32:01,562 INFO L125 PetriNetUnfolderBase]: For 893/11229 co-relation queries the response was YES. [2025-03-15 02:32:01,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10314 conditions, 2725 events. 1620/2725 cut-off events. For 893/11229 co-relation queries the response was YES. Maximal size of possible extension queue 538. Compared 17716 event pairs, 1358 based on Foata normal form. 0/641 useless extension candidates. Maximal degree in co-relation 10049. Up to 2443 conditions per place. [2025-03-15 02:32:01,583 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 34 selfloop transitions, 3 changer transitions 9/120 dead transitions. [2025-03-15 02:32:01,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 120 transitions, 474 flow [2025-03-15 02:32:01,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 400 transitions. [2025-03-15 02:32:01,585 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6802721088435374 [2025-03-15 02:32:01,585 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -19 predicate places. [2025-03-15 02:32:01,585 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 120 transitions, 474 flow [2025-03-15 02:32:01,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:01,586 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:01,586 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] [2025-03-15 02:32:01,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 02:32:01,586 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:01,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:01,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252570, now seen corresponding path program 1 times [2025-03-15 02:32:01,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:01,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843284192] [2025-03-15 02:32:01,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:01,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:01,647 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 02:32:01,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:01,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843284192] [2025-03-15 02:32:01,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843284192] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:01,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:01,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453635240] [2025-03-15 02:32:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:01,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:01,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:01,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:01,649 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:01,649 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 120 transitions, 474 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:01,649 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:01,649 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:01,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:02,014 INFO L124 PetriNetUnfolderBase]: 1281/2196 cut-off events. [2025-03-15 02:32:02,015 INFO L125 PetriNetUnfolderBase]: For 1123/10489 co-relation queries the response was YES. [2025-03-15 02:32:02,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10152 conditions, 2196 events. 1281/2196 cut-off events. For 1123/10489 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 13848 event pairs, 1056 based on Foata normal form. 0/575 useless extension candidates. Maximal degree in co-relation 9856. Up to 1934 conditions per place. [2025-03-15 02:32:02,039 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 32 selfloop transitions, 3 changer transitions 9/118 dead transitions. [2025-03-15 02:32:02,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 118 transitions, 530 flow [2025-03-15 02:32:02,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 398 transitions. [2025-03-15 02:32:02,042 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6768707482993197 [2025-03-15 02:32:02,042 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -18 predicate places. [2025-03-15 02:32:02,042 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 118 transitions, 530 flow [2025-03-15 02:32:02,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:02,043 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:02,043 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] [2025-03-15 02:32:02,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 02:32:02,043 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:02,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:02,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252573, now seen corresponding path program 1 times [2025-03-15 02:32:02,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:02,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483310054] [2025-03-15 02:32:02,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:02,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:02,198 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 02:32:02,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:02,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483310054] [2025-03-15 02:32:02,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483310054] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:02,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:02,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:02,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425054423] [2025-03-15 02:32:02,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:02,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:02,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:02,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:02,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:02,200 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:02,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 118 transitions, 530 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:02,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:02,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:02,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:02,515 INFO L124 PetriNetUnfolderBase]: 1007/1750 cut-off events. [2025-03-15 02:32:02,516 INFO L125 PetriNetUnfolderBase]: For 1368/10512 co-relation queries the response was YES. [2025-03-15 02:32:02,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9556 conditions, 1750 events. 1007/1750 cut-off events. For 1368/10512 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 10560 event pairs, 815 based on Foata normal form. 0/499 useless extension candidates. Maximal degree in co-relation 9246. Up to 1522 conditions per place. [2025-03-15 02:32:02,531 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 30 selfloop transitions, 3 changer transitions 9/116 dead transitions. [2025-03-15 02:32:02,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 116 transitions, 578 flow [2025-03-15 02:32:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:02,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:02,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 396 transitions. [2025-03-15 02:32:02,533 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.673469387755102 [2025-03-15 02:32:02,534 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -17 predicate places. [2025-03-15 02:32:02,534 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 116 transitions, 578 flow [2025-03-15 02:32:02,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:02,534 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:02,534 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] [2025-03-15 02:32:02,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 02:32:02,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:02,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252576, now seen corresponding path program 1 times [2025-03-15 02:32:02,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:02,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322299499] [2025-03-15 02:32:02,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:02,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:02,614 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 02:32:02,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322299499] [2025-03-15 02:32:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322299499] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:02,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:02,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:02,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065883827] [2025-03-15 02:32:02,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:02,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:02,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:02,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:02,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:02,616 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:02,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 116 transitions, 578 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:02,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:02,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:02,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:02,933 INFO L124 PetriNetUnfolderBase]: 756/1355 cut-off events. [2025-03-15 02:32:02,934 INFO L125 PetriNetUnfolderBase]: For 1511/7561 co-relation queries the response was YES. [2025-03-15 02:32:02,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8388 conditions, 1355 events. 756/1355 cut-off events. For 1511/7561 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 7855 event pairs, 596 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 8057. Up to 1145 conditions per place. [2025-03-15 02:32:02,945 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 28 selfloop transitions, 3 changer transitions 9/114 dead transitions. [2025-03-15 02:32:02,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 114 transitions, 618 flow [2025-03-15 02:32:02,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:02,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 394 transitions. [2025-03-15 02:32:02,949 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6700680272108843 [2025-03-15 02:32:02,950 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -16 predicate places. [2025-03-15 02:32:02,950 INFO L471 AbstractCegarLoop]: Abstraction has has 137 places, 114 transitions, 618 flow [2025-03-15 02:32:02,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:02,950 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:02,951 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] [2025-03-15 02:32:02,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 02:32:02,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:02,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:02,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252572, now seen corresponding path program 1 times [2025-03-15 02:32:02,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:02,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885509181] [2025-03-15 02:32:02,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:02,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:03,070 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 02:32:03,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:03,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885509181] [2025-03-15 02:32:03,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885509181] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:03,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:03,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:03,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774981412] [2025-03-15 02:32:03,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:03,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:03,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:03,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:03,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:03,075 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:03,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 114 transitions, 618 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:03,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:03,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:03,336 INFO L124 PetriNetUnfolderBase]: 558/1029 cut-off events. [2025-03-15 02:32:03,336 INFO L125 PetriNetUnfolderBase]: For 1637/6245 co-relation queries the response was YES. [2025-03-15 02:32:03,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7100 conditions, 1029 events. 558/1029 cut-off events. For 1637/6245 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 5368 event pairs, 426 based on Foata normal form. 0/377 useless extension candidates. Maximal degree in co-relation 6769. Up to 847 conditions per place. [2025-03-15 02:32:03,344 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 26 selfloop transitions, 3 changer transitions 9/112 dead transitions. [2025-03-15 02:32:03,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 112 transitions, 650 flow [2025-03-15 02:32:03,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 392 transitions. [2025-03-15 02:32:03,345 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2025-03-15 02:32:03,346 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -15 predicate places. [2025-03-15 02:32:03,346 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 112 transitions, 650 flow [2025-03-15 02:32:03,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,346 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:03,346 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] [2025-03-15 02:32:03,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 02:32:03,347 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:03,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:03,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252575, now seen corresponding path program 1 times [2025-03-15 02:32:03,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:03,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448752756] [2025-03-15 02:32:03,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:03,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:03,401 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 02:32:03,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:03,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448752756] [2025-03-15 02:32:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448752756] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:03,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:03,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:03,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104007844] [2025-03-15 02:32:03,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:03,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:03,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:03,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:03,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:03,403 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:03,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 112 transitions, 650 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:03,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:03,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:03,565 INFO L124 PetriNetUnfolderBase]: 383/750 cut-off events. [2025-03-15 02:32:03,565 INFO L125 PetriNetUnfolderBase]: For 1639/3823 co-relation queries the response was YES. [2025-03-15 02:32:03,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5538 conditions, 750 events. 383/750 cut-off events. For 1639/3823 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 3678 event pairs, 278 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 5196. Up to 584 conditions per place. [2025-03-15 02:32:03,571 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 24 selfloop transitions, 3 changer transitions 9/110 dead transitions. [2025-03-15 02:32:03,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 110 transitions, 674 flow [2025-03-15 02:32:03,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:03,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:03,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 390 transitions. [2025-03-15 02:32:03,572 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6632653061224489 [2025-03-15 02:32:03,574 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -14 predicate places. [2025-03-15 02:32:03,575 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 110 transitions, 674 flow [2025-03-15 02:32:03,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,575 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:03,575 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:03,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 02:32:03,575 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:03,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:03,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1234252578, now seen corresponding path program 1 times [2025-03-15 02:32:03,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:03,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373761183] [2025-03-15 02:32:03,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:03,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:03,678 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 02:32:03,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:03,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373761183] [2025-03-15 02:32:03,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373761183] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:03,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:03,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:03,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603102197] [2025-03-15 02:32:03,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:03,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:03,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:03,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:03,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:03,680 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:03,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 110 transitions, 674 flow. Second operand has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:03,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:03,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:03,809 INFO L124 PetriNetUnfolderBase]: 249/526 cut-off events. [2025-03-15 02:32:03,809 INFO L125 PetriNetUnfolderBase]: For 1570/2642 co-relation queries the response was YES. [2025-03-15 02:32:03,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4062 conditions, 526 events. 249/526 cut-off events. For 1570/2642 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2217 event pairs, 167 based on Foata normal form. 0/275 useless extension candidates. Maximal degree in co-relation 3734. Up to 382 conditions per place. [2025-03-15 02:32:03,812 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 22 selfloop transitions, 3 changer transitions 9/108 dead transitions. [2025-03-15 02:32:03,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 108 transitions, 690 flow [2025-03-15 02:32:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:03,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2025-03-15 02:32:03,814 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6598639455782312 [2025-03-15 02:32:03,814 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -13 predicate places. [2025-03-15 02:32:03,814 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 108 transitions, 690 flow [2025-03-15 02:32:03,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.0) internal successors, (368), 4 states have internal predecessors, (368), 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 02:32:03,814 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:03,815 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:03,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 02:32:03,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:03,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:03,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1041898286, now seen corresponding path program 1 times [2025-03-15 02:32:03,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:03,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893872467] [2025-03-15 02:32:03,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:03,865 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 02:32:03,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:03,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893872467] [2025-03-15 02:32:03,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893872467] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:03,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:03,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:03,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246613322] [2025-03-15 02:32:03,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:03,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:03,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:03,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:03,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:03,866 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:03,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 108 transitions, 690 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:03,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:03,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:03,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:03,948 INFO L124 PetriNetUnfolderBase]: 178/409 cut-off events. [2025-03-15 02:32:03,948 INFO L125 PetriNetUnfolderBase]: For 1615/2443 co-relation queries the response was YES. [2025-03-15 02:32:03,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3244 conditions, 409 events. 178/409 cut-off events. For 1615/2443 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1502 event pairs, 114 based on Foata normal form. 0/235 useless extension candidates. Maximal degree in co-relation 2914. Up to 275 conditions per place. [2025-03-15 02:32:03,951 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 20 selfloop transitions, 3 changer transitions 9/106 dead transitions. [2025-03-15 02:32:03,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 106 transitions, 698 flow [2025-03-15 02:32:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 386 transitions. [2025-03-15 02:32:03,953 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6564625850340136 [2025-03-15 02:32:03,953 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -12 predicate places. [2025-03-15 02:32:03,953 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 106 transitions, 698 flow [2025-03-15 02:32:03,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:03,953 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:03,953 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:03,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 02:32:03,954 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:03,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:03,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1041898279, now seen corresponding path program 1 times [2025-03-15 02:32:03,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:03,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492523397] [2025-03-15 02:32:03,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:03,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:03,999 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 02:32:03,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:04,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492523397] [2025-03-15 02:32:04,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492523397] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:04,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:04,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:04,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742885000] [2025-03-15 02:32:04,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:04,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:04,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:04,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:04,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:04,002 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:04,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 106 transitions, 698 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:04,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:04,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:04,088 INFO L124 PetriNetUnfolderBase]: 119/310 cut-off events. [2025-03-15 02:32:04,089 INFO L125 PetriNetUnfolderBase]: For 1605/2185 co-relation queries the response was YES. [2025-03-15 02:32:04,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2430 conditions, 310 events. 119/310 cut-off events. For 1605/2185 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 960 event pairs, 71 based on Foata normal form. 0/199 useless extension candidates. Maximal degree in co-relation 2102. Up to 186 conditions per place. [2025-03-15 02:32:04,091 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 18 selfloop transitions, 3 changer transitions 9/104 dead transitions. [2025-03-15 02:32:04,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 104 transitions, 698 flow [2025-03-15 02:32:04,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:04,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:04,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 384 transitions. [2025-03-15 02:32:04,092 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6530612244897959 [2025-03-15 02:32:04,092 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -11 predicate places. [2025-03-15 02:32:04,092 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 104 transitions, 698 flow [2025-03-15 02:32:04,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,093 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:04,093 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:04,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 02:32:04,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:04,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:04,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1041898280, now seen corresponding path program 1 times [2025-03-15 02:32:04,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:04,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879227431] [2025-03-15 02:32:04,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:04,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:04,146 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 02:32:04,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:04,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879227431] [2025-03-15 02:32:04,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879227431] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:04,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:04,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:04,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099044828] [2025-03-15 02:32:04,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:04,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:04,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:04,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:04,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:04,148 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:04,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 104 transitions, 698 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:04,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:04,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:04,217 INFO L124 PetriNetUnfolderBase]: 72/229 cut-off events. [2025-03-15 02:32:04,217 INFO L125 PetriNetUnfolderBase]: For 1530/1882 co-relation queries the response was YES. [2025-03-15 02:32:04,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1674 conditions, 229 events. 72/229 cut-off events. For 1530/1882 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 541 event pairs, 38 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 1352. Up to 115 conditions per place. [2025-03-15 02:32:04,219 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 16 selfloop transitions, 3 changer transitions 9/102 dead transitions. [2025-03-15 02:32:04,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 102 transitions, 690 flow [2025-03-15 02:32:04,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 382 transitions. [2025-03-15 02:32:04,220 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6496598639455783 [2025-03-15 02:32:04,221 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -10 predicate places. [2025-03-15 02:32:04,221 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 102 transitions, 690 flow [2025-03-15 02:32:04,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,222 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:32:04,222 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:04,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 02:32:04,222 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 72 more)] === [2025-03-15 02:32:04,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:32:04,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1041898285, now seen corresponding path program 1 times [2025-03-15 02:32:04,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:32:04,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979332675] [2025-03-15 02:32:04,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:32:04,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:32:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:32:04,269 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 02:32:04,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:32:04,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979332675] [2025-03-15 02:32:04,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979332675] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:32:04,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:32:04,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:32:04,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027062732] [2025-03-15 02:32:04,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:32:04,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:32:04,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:32:04,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:32:04,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:32:04,270 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 147 [2025-03-15 02:32:04,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 102 transitions, 690 flow. Second operand has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:32:04,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 147 [2025-03-15 02:32:04,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:32:04,317 INFO L124 PetriNetUnfolderBase]: 37/166 cut-off events. [2025-03-15 02:32:04,317 INFO L125 PetriNetUnfolderBase]: For 1376/1544 co-relation queries the response was YES. [2025-03-15 02:32:04,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1030 conditions, 166 events. 37/166 cut-off events. For 1376/1544 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 229 event pairs, 15 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 718. Up to 62 conditions per place. [2025-03-15 02:32:04,318 INFO L140 encePairwiseOnDemand]: 142/147 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2025-03-15 02:32:04,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 100 transitions, 674 flow [2025-03-15 02:32:04,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 02:32:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 02:32:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 380 transitions. [2025-03-15 02:32:04,319 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6462585034013606 [2025-03-15 02:32:04,320 INFO L298 CegarLoopForPetriNet]: 153 programPoint places, -9 predicate places. [2025-03-15 02:32:04,320 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 100 transitions, 674 flow [2025-03-15 02:32:04,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 92.25) internal successors, (369), 4 states have internal predecessors, (369), 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 02:32:04,334 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-time-trans.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 02:32:04,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 75 remaining) [2025-03-15 02:32:04,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 75 remaining) [2025-03-15 02:32:04,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 75 remaining) [2025-03-15 02:32:04,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 75 remaining) [2025-03-15 02:32:04,362 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 75 remaining) [2025-03-15 02:32:04,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 75 remaining) [2025-03-15 02:32:04,363 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 75 remaining) [2025-03-15 02:32:04,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 02:32:04,363 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:32:04,369 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:32:04,369 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:32:04,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:32:04 BasicIcfg [2025-03-15 02:32:04,375 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:32:04,375 INFO L158 Benchmark]: Toolchain (without parser) took 7568.64ms. Allocated memory was 71.3MB in the beginning and 926.9MB in the end (delta: 855.6MB). Free memory was 44.6MB in the beginning and 532.5MB in the end (delta: -487.9MB). Peak memory consumption was 369.0MB. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.99ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 32.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 71.3MB. Free memory was 32.8MB in the beginning and 30.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 29.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: RCFGBuilder took 1106.46ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 22.7MB in the end (delta: 6.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2025-03-15 02:32:04,376 INFO L158 Benchmark]: TraceAbstraction took 6204.08ms. Allocated memory was 88.1MB in the beginning and 926.9MB in the end (delta: 838.9MB). Free memory was 22.1MB in the beginning and 532.5MB in the end (delta: -510.4MB). Peak memory consumption was 329.0MB. Max. memory is 8.0GB. [2025-03-15 02:32:04,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 71.3MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 175.99ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 32.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 71.3MB. Free memory was 32.8MB in the beginning and 30.6MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 29.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 1106.46ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 22.7MB in the end (delta: 6.2MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6204.08ms. Allocated memory was 88.1MB in the beginning and 926.9MB in the end (delta: 838.9MB). Free memory was 22.1MB in the beginning and 532.5MB in the end (delta: -510.4MB). Peak memory consumption was 329.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 100]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: 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, 198 locations, 75 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: 6.0s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 308 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 308 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 636 IncrementalHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 60 mSDtfsCounter, 636 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=698occurred in iteration=10, 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, 1.1s InterpolantComputationTime, 830 NumberOfCodeBlocks, 830 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 817 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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 36 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 02:32:04,393 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...