/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/goblint-regression/06-symbeq_05-funloop_hard2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:57,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:57,428 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:54:57,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:57,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:57,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:57,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:57,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:57,457 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:57,458 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:57,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:57,458 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:57,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:57,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:57,459 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 01:54:57,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:57,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:57,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:57,733 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:57,733 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:57,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_05-funloop_hard2.i [2025-03-15 01:54:58,891 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0660fdac/29bf2bdbd7f545219c8d5426c18af803/FLAG09f2995be [2025-03-15 01:54:59,135 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:59,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_05-funloop_hard2.i [2025-03-15 01:54:59,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0660fdac/29bf2bdbd7f545219c8d5426c18af803/FLAG09f2995be [2025-03-15 01:54:59,459 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0660fdac/29bf2bdbd7f545219c8d5426c18af803 [2025-03-15 01:54:59,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:59,461 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:59,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:59,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:59,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:59,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10529105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59, skipping insertion in model container [2025-03-15 01:54:59,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:59,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:59,761 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:59,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:59,862 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:59,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59 WrapperNode [2025-03-15 01:54:59,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:59,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:59,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:59,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:59,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,907 INFO L138 Inliner]: procedures = 263, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 146 [2025-03-15 01:54:59,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:59,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:59,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:59,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:59,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:59,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:59,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:59,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:59,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (1/1) ... [2025-03-15 01:54:59,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:59,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:59,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:54:59,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:54:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:59,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:59,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:59,998 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:55:00,092 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:55:00,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:55:00,337 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:55:00,337 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:55:00,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:55:00,366 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:55:00,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:55:00 BoogieIcfgContainer [2025-03-15 01:55:00,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:55:00,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:55:00,370 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:55:00,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:55:00,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:59" (1/3) ... [2025-03-15 01:55:00,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:55:00, skipping insertion in model container [2025-03-15 01:55:00,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:59" (2/3) ... [2025-03-15 01:55:00,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b4b6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:55:00, skipping insertion in model container [2025-03-15 01:55:00,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:55:00" (3/3) ... [2025-03-15 01:55:00,375 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_05-funloop_hard2.i [2025-03-15 01:55:00,387 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:55:00,389 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_05-funloop_hard2.i that has 2 procedures, 162 locations, 1 initial locations, 3 loop locations, and 12 error locations. [2025-03-15 01:55:00,389 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:55:00,444 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:55:00,482 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:55:00,497 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;@21aa8411, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:55:00,497 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-03-15 01:55:00,533 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:55:00,534 INFO L124 PetriNetUnfolderBase]: 0/74 cut-off events. [2025-03-15 01:55:00,535 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:55:00,535 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:00,536 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:00,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:00,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:00,541 INFO L85 PathProgramCache]: Analyzing trace with hash 831891915, now seen corresponding path program 1 times [2025-03-15 01:55:00,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:00,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606838410] [2025-03-15 01:55:00,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:00,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:00,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:00,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:00,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606838410] [2025-03-15 01:55:00,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606838410] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:00,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:00,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:55:00,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704374014] [2025-03-15 01:55:00,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:00,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:55:00,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:00,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:55:00,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:55:00,876 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:00,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 164 transitions, 332 flow. Second operand has 4 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:00,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:00,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:00,883 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:01,059 INFO L124 PetriNetUnfolderBase]: 17/272 cut-off events. [2025-03-15 01:55:01,061 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:55:01,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 272 events. 17/272 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 723 event pairs, 10 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 212. Up to 46 conditions per place. [2025-03-15 01:55:01,071 INFO L140 encePairwiseOnDemand]: 157/164 looper letters, 24 selfloop transitions, 4 changer transitions 0/170 dead transitions. [2025-03-15 01:55:01,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 170 transitions, 399 flow [2025-03-15 01:55:01,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:55:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:55:01,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 746 transitions. [2025-03-15 01:55:01,087 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9097560975609756 [2025-03-15 01:55:01,091 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 3 predicate places. [2025-03-15 01:55:01,091 INFO L471 AbstractCegarLoop]: Abstraction has has 168 places, 170 transitions, 399 flow [2025-03-15 01:55:01,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 144.5) internal successors, (578), 4 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:01,092 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:01,092 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:01,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:55:01,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:01,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:01,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1233376463, now seen corresponding path program 1 times [2025-03-15 01:55:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:01,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180114069] [2025-03-15 01:55:01,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:01,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:01,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180114069] [2025-03-15 01:55:01,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180114069] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:01,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691895394] [2025-03-15 01:55:01,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:01,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:01,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:01,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:01,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-15 01:55:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:01,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:55:01,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:01,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:01,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:55:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691895394] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:01,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:55:01,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:55:01,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129341105] [2025-03-15 01:55:01,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:01,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:55:01,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:01,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:55:01,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:55:01,442 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:01,445 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 170 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:01,445 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:01,445 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:01,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:01,571 INFO L124 PetriNetUnfolderBase]: 17/271 cut-off events. [2025-03-15 01:55:01,571 INFO L125 PetriNetUnfolderBase]: For 24/32 co-relation queries the response was YES. [2025-03-15 01:55:01,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 379 conditions, 271 events. 17/271 cut-off events. For 24/32 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 722 event pairs, 10 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 243. Up to 45 conditions per place. [2025-03-15 01:55:01,576 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 20 selfloop transitions, 7 changer transitions 0/169 dead transitions. [2025-03-15 01:55:01,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 169 transitions, 449 flow [2025-03-15 01:55:01,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:55:01,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:55:01,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1029 transitions. [2025-03-15 01:55:01,580 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8963414634146342 [2025-03-15 01:55:01,581 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 8 predicate places. [2025-03-15 01:55:01,581 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 169 transitions, 449 flow [2025-03-15 01:55:01,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 145.16666666666666) internal successors, (871), 6 states have internal predecessors, (871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:01,582 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:01,582 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:01,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-15 01:55:01,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:01,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:01,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:01,788 INFO L85 PathProgramCache]: Analyzing trace with hash 420035608, now seen corresponding path program 1 times [2025-03-15 01:55:01,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:01,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590028816] [2025-03-15 01:55:01,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:01,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:55:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590028816] [2025-03-15 01:55:01,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590028816] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:01,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:01,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:55:01,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710215824] [2025-03-15 01:55:01,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:01,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:55:01,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:01,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:55:01,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:55:01,873 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:01,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 169 transitions, 449 flow. Second operand has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:01,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:01,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:01,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:01,954 INFO L124 PetriNetUnfolderBase]: 17/270 cut-off events. [2025-03-15 01:55:01,954 INFO L125 PetriNetUnfolderBase]: For 69/85 co-relation queries the response was YES. [2025-03-15 01:55:01,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 427 conditions, 270 events. 17/270 cut-off events. For 69/85 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 717 event pairs, 10 based on Foata normal form. 0/240 useless extension candidates. Maximal degree in co-relation 274. Up to 44 conditions per place. [2025-03-15 01:55:01,956 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 18 selfloop transitions, 8 changer transitions 0/168 dead transitions. [2025-03-15 01:55:01,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 168 transitions, 495 flow [2025-03-15 01:55:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:55:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:55:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 736 transitions. [2025-03-15 01:55:01,958 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8975609756097561 [2025-03-15 01:55:01,959 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 11 predicate places. [2025-03-15 01:55:01,959 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 168 transitions, 495 flow [2025-03-15 01:55:01,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 146.5) internal successors, (586), 4 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:01,959 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:01,959 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:01,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:55:01,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:01,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:01,960 INFO L85 PathProgramCache]: Analyzing trace with hash -470212061, now seen corresponding path program 1 times [2025-03-15 01:55:01,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:01,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60320341] [2025-03-15 01:55:01,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:01,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:02,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:02,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:02,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60320341] [2025-03-15 01:55:02,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60320341] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:02,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993305140] [2025-03-15 01:55:02,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:02,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:02,063 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:02,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-15 01:55:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:02,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-03-15 01:55:02,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:55:02,154 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:55:02,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993305140] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:02,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:55:02,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2025-03-15 01:55:02,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252309579] [2025-03-15 01:55:02,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:02,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:55:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:02,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:55:02,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:55:02,157 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 164 [2025-03-15 01:55:02,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 168 transitions, 495 flow. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:02,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:02,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 164 [2025-03-15 01:55:02,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:02,269 INFO L124 PetriNetUnfolderBase]: 37/365 cut-off events. [2025-03-15 01:55:02,269 INFO L125 PetriNetUnfolderBase]: For 259/274 co-relation queries the response was YES. [2025-03-15 01:55:02,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 683 conditions, 365 events. 37/365 cut-off events. For 259/274 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1327 event pairs, 20 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 526. Up to 68 conditions per place. [2025-03-15 01:55:02,272 INFO L140 encePairwiseOnDemand]: 161/164 looper letters, 22 selfloop transitions, 2 changer transitions 0/176 dead transitions. [2025-03-15 01:55:02,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 176 transitions, 583 flow [2025-03-15 01:55:02,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:55:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:55:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 469 transitions. [2025-03-15 01:55:02,275 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9532520325203252 [2025-03-15 01:55:02,275 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 13 predicate places. [2025-03-15 01:55:02,275 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 176 transitions, 583 flow [2025-03-15 01:55:02,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:02,276 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:02,276 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:02,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-15 01:55:02,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-15 01:55:02,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:02,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:02,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1239114378, now seen corresponding path program 1 times [2025-03-15 01:55:02,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:02,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525248680] [2025-03-15 01:55:02,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:02,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:02,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:02,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525248680] [2025-03-15 01:55:02,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525248680] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:02,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639979352] [2025-03-15 01:55:02,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:02,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:02,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:02,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:02,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-15 01:55:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:02,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 01:55:02,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:02,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:02,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:55:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:02,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639979352] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:55:02,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:55:02,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-15 01:55:02,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830165033] [2025-03-15 01:55:02,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:55:02,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 01:55:02,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:02,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 01:55:02,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-15 01:55:02,741 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:02,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 176 transitions, 583 flow. Second operand has 10 states, 10 states have (on average 145.9) internal successors, (1459), 10 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:02,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:02,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:02,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:02,882 INFO L124 PetriNetUnfolderBase]: 37/373 cut-off events. [2025-03-15 01:55:02,883 INFO L125 PetriNetUnfolderBase]: For 433/453 co-relation queries the response was YES. [2025-03-15 01:55:02,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 373 events. 37/373 cut-off events. For 433/453 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1316 event pairs, 20 based on Foata normal form. 0/329 useless extension candidates. Maximal degree in co-relation 581. Up to 76 conditions per place. [2025-03-15 01:55:02,884 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 29 selfloop transitions, 9 changer transitions 0/184 dead transitions. [2025-03-15 01:55:02,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 184 transitions, 723 flow [2025-03-15 01:55:02,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:55:02,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:55:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1323 transitions. [2025-03-15 01:55:02,887 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8963414634146342 [2025-03-15 01:55:02,887 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 21 predicate places. [2025-03-15 01:55:02,887 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 184 transitions, 723 flow [2025-03-15 01:55:02,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 145.9) internal successors, (1459), 10 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:02,888 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:02,888 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:02,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-15 01:55:03,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:03,094 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:03,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:03,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1344959542, now seen corresponding path program 2 times [2025-03-15 01:55:03,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:03,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402715620] [2025-03-15 01:55:03,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:03,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:03,116 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:55:03,116 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-15 01:55:03,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:03,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402715620] [2025-03-15 01:55:03,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402715620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:03,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:03,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-15 01:55:03,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608781934] [2025-03-15 01:55:03,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:03,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:03,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:03,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:03,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:03,426 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 164 [2025-03-15 01:55:03,428 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 184 transitions, 723 flow. Second operand has 9 states, 9 states have (on average 78.11111111111111) internal successors, (703), 9 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:03,428 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:03,428 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 164 [2025-03-15 01:55:03,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:04,140 INFO L124 PetriNetUnfolderBase]: 461/1967 cut-off events. [2025-03-15 01:55:04,140 INFO L125 PetriNetUnfolderBase]: For 3239/3269 co-relation queries the response was YES. [2025-03-15 01:55:04,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4501 conditions, 1967 events. 461/1967 cut-off events. For 3239/3269 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 14403 event pairs, 154 based on Foata normal form. 3/1690 useless extension candidates. Maximal degree in co-relation 4218. Up to 707 conditions per place. [2025-03-15 01:55:04,150 INFO L140 encePairwiseOnDemand]: 150/164 looper letters, 161 selfloop transitions, 17 changer transitions 0/261 dead transitions. [2025-03-15 01:55:04,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 261 transitions, 1505 flow [2025-03-15 01:55:04,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-15 01:55:04,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-15 01:55:04,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1008 transitions. [2025-03-15 01:55:04,153 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5121951219512195 [2025-03-15 01:55:04,154 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 32 predicate places. [2025-03-15 01:55:04,154 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 261 transitions, 1505 flow [2025-03-15 01:55:04,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 78.11111111111111) internal successors, (703), 9 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:04,154 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:04,155 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:04,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:55:04,155 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:04,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:04,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2053371223, now seen corresponding path program 1 times [2025-03-15 01:55:04,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:04,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621733868] [2025-03-15 01:55:04,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:04,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:04,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621733868] [2025-03-15 01:55:04,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621733868] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:04,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571345031] [2025-03-15 01:55:04,291 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:04,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:04,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:04,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:04,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-15 01:55:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:04,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-15 01:55:04,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:04,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:55:04,500 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:04,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571345031] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:55:04,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:55:04,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-15 01:55:04,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501479309] [2025-03-15 01:55:04,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:55:04,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-15 01:55:04,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:04,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-15 01:55:04,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-15 01:55:04,504 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:04,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 261 transitions, 1505 flow. Second operand has 18 states, 18 states have (on average 146.16666666666666) internal successors, (2631), 18 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:04,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:04,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:04,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:04,917 INFO L124 PetriNetUnfolderBase]: 465/1910 cut-off events. [2025-03-15 01:55:04,917 INFO L125 PetriNetUnfolderBase]: For 4552/4581 co-relation queries the response was YES. [2025-03-15 01:55:04,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4839 conditions, 1910 events. 465/1910 cut-off events. For 4552/4581 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 13851 event pairs, 137 based on Foata normal form. 3/1631 useless extension candidates. Maximal degree in co-relation 4356. Up to 693 conditions per place. [2025-03-15 01:55:04,928 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 70 selfloop transitions, 21 changer transitions 0/289 dead transitions. [2025-03-15 01:55:04,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 289 transitions, 1975 flow [2025-03-15 01:55:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-15 01:55:04,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2025-03-15 01:55:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3069 transitions. [2025-03-15 01:55:04,934 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8911149825783972 [2025-03-15 01:55:04,935 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 52 predicate places. [2025-03-15 01:55:04,936 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 289 transitions, 1975 flow [2025-03-15 01:55:04,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 146.16666666666666) internal successors, (2631), 18 states have internal predecessors, (2631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:04,937 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:04,937 INFO L221 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:04,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-15 01:55:05,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:05,142 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:05,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:05,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1283404503, now seen corresponding path program 2 times [2025-03-15 01:55:05,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:05,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189614754] [2025-03-15 01:55:05,143 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:05,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:05,158 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:55:05,158 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:05,351 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-03-15 01:55:05,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:05,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189614754] [2025-03-15 01:55:05,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189614754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:05,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:05,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-15 01:55:05,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164273595] [2025-03-15 01:55:05,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:05,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:05,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:05,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:05,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:05,353 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 164 [2025-03-15 01:55:05,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 289 transitions, 1975 flow. Second operand has 9 states, 9 states have (on average 76.22222222222223) internal successors, (686), 9 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:05,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:05,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 164 [2025-03-15 01:55:05,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:05,991 INFO L124 PetriNetUnfolderBase]: 699/2632 cut-off events. [2025-03-15 01:55:05,992 INFO L125 PetriNetUnfolderBase]: For 8047/8178 co-relation queries the response was YES. [2025-03-15 01:55:05,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7751 conditions, 2632 events. 699/2632 cut-off events. For 8047/8178 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 19841 event pairs, 179 based on Foata normal form. 13/2240 useless extension candidates. Maximal degree in co-relation 7196. Up to 1119 conditions per place. [2025-03-15 01:55:06,006 INFO L140 encePairwiseOnDemand]: 151/164 looper letters, 193 selfloop transitions, 32 changer transitions 0/340 dead transitions. [2025-03-15 01:55:06,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 340 transitions, 2729 flow [2025-03-15 01:55:06,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-15 01:55:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-15 01:55:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 972 transitions. [2025-03-15 01:55:06,009 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.49390243902439024 [2025-03-15 01:55:06,011 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 63 predicate places. [2025-03-15 01:55:06,011 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 340 transitions, 2729 flow [2025-03-15 01:55:06,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 76.22222222222223) internal successors, (686), 9 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:06,012 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:06,012 INFO L221 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:06,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:55:06,012 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:06,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:06,013 INFO L85 PathProgramCache]: Analyzing trace with hash -421617572, now seen corresponding path program 1 times [2025-03-15 01:55:06,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:06,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778066629] [2025-03-15 01:55:06,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:06,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-03-15 01:55:06,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:06,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778066629] [2025-03-15 01:55:06,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778066629] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:06,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:06,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:55:06,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688112860] [2025-03-15 01:55:06,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:06,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:55:06,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:06,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:55:06,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:55:06,124 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 164 [2025-03-15 01:55:06,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 340 transitions, 2729 flow. Second operand has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:06,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:06,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 164 [2025-03-15 01:55:06,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:06,755 INFO L124 PetriNetUnfolderBase]: 1132/4128 cut-off events. [2025-03-15 01:55:06,755 INFO L125 PetriNetUnfolderBase]: For 17354/17585 co-relation queries the response was YES. [2025-03-15 01:55:06,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13466 conditions, 4128 events. 1132/4128 cut-off events. For 17354/17585 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 32370 event pairs, 478 based on Foata normal form. 2/3540 useless extension candidates. Maximal degree in co-relation 12909. Up to 1848 conditions per place. [2025-03-15 01:55:06,778 INFO L140 encePairwiseOnDemand]: 157/164 looper letters, 101 selfloop transitions, 5 changer transitions 0/376 dead transitions. [2025-03-15 01:55:06,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 376 transitions, 3463 flow [2025-03-15 01:55:06,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:55:06,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:55:06,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2025-03-15 01:55:06,780 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9365853658536586 [2025-03-15 01:55:06,780 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 67 predicate places. [2025-03-15 01:55:06,781 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 376 transitions, 3463 flow [2025-03-15 01:55:06,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:06,781 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:06,781 INFO L221 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:06,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:55:06,781 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:06,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:06,782 INFO L85 PathProgramCache]: Analyzing trace with hash -2071433060, now seen corresponding path program 1 times [2025-03-15 01:55:06,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:06,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078131300] [2025-03-15 01:55:06,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:06,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:06,858 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-03-15 01:55:06,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:06,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078131300] [2025-03-15 01:55:06,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078131300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:06,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:06,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:55:06,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035554311] [2025-03-15 01:55:06,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:06,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:55:06,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:06,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:55:06,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:55:06,860 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:06,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 376 transitions, 3463 flow. Second operand has 4 states, 4 states have (on average 145.5) internal successors, (582), 4 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:06,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:06,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:06,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:07,451 INFO L124 PetriNetUnfolderBase]: 1148/3805 cut-off events. [2025-03-15 01:55:07,452 INFO L125 PetriNetUnfolderBase]: For 28107/29053 co-relation queries the response was YES. [2025-03-15 01:55:07,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14142 conditions, 3805 events. 1148/3805 cut-off events. For 28107/29053 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 29302 event pairs, 492 based on Foata normal form. 0/3261 useless extension candidates. Maximal degree in co-relation 13581. Up to 1781 conditions per place. [2025-03-15 01:55:07,473 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 110 selfloop transitions, 5 changer transitions 0/387 dead transitions. [2025-03-15 01:55:07,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 387 transitions, 3859 flow [2025-03-15 01:55:07,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:55:07,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:55:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 753 transitions. [2025-03-15 01:55:07,475 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9182926829268293 [2025-03-15 01:55:07,476 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 71 predicate places. [2025-03-15 01:55:07,476 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 387 transitions, 3859 flow [2025-03-15 01:55:07,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 145.5) internal successors, (582), 4 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:07,476 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:07,476 INFO L221 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:07,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:55:07,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:07,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:07,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2035862879, now seen corresponding path program 1 times [2025-03-15 01:55:07,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:07,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470161443] [2025-03-15 01:55:07,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:07,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:07,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:07,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470161443] [2025-03-15 01:55:07,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470161443] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:07,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132767551] [2025-03-15 01:55:07,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:07,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:07,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:07,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:07,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-15 01:55:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:07,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-15 01:55:07,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:07,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:55:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:08,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132767551] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:55:08,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:55:08,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-03-15 01:55:08,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801248881] [2025-03-15 01:55:08,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:55:08,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-15 01:55:08,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:08,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-15 01:55:08,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-15 01:55:08,220 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 164 [2025-03-15 01:55:08,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 387 transitions, 3859 flow. Second operand has 23 states, 23 states have (on average 146.43478260869566) internal successors, (3368), 23 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:08,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:08,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 164 [2025-03-15 01:55:08,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:08,996 INFO L124 PetriNetUnfolderBase]: 1148/3820 cut-off events. [2025-03-15 01:55:08,997 INFO L125 PetriNetUnfolderBase]: For 34802/35735 co-relation queries the response was YES. [2025-03-15 01:55:09,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14921 conditions, 3820 events. 1148/3820 cut-off events. For 34802/35735 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 29365 event pairs, 489 based on Foata normal form. 0/3276 useless extension candidates. Maximal degree in co-relation 14151. Up to 1781 conditions per place. [2025-03-15 01:55:09,018 INFO L140 encePairwiseOnDemand]: 158/164 looper letters, 127 selfloop transitions, 30 changer transitions 0/408 dead transitions. [2025-03-15 01:55:09,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 408 transitions, 4437 flow [2025-03-15 01:55:09,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-15 01:55:09,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-03-15 01:55:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 4376 transitions. [2025-03-15 01:55:09,025 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8894308943089431 [2025-03-15 01:55:09,026 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 100 predicate places. [2025-03-15 01:55:09,026 INFO L471 AbstractCegarLoop]: Abstraction has has 265 places, 408 transitions, 4437 flow [2025-03-15 01:55:09,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 146.43478260869566) internal successors, (3368), 23 states have internal predecessors, (3368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:09,027 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:09,028 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:09,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-15 01:55:09,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-03-15 01:55:09,233 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:09,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1421544735, now seen corresponding path program 2 times [2025-03-15 01:55:09,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:09,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023293640] [2025-03-15 01:55:09,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:09,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:09,252 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:55:09,252 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:09,778 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:09,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023293640] [2025-03-15 01:55:09,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023293640] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:09,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:09,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:55:09,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109385408] [2025-03-15 01:55:09,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:09,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:55:09,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:09,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:55:09,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:55:09,780 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:55:09,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 265 places, 408 transitions, 4437 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:09,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:09,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:55:09,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:11,916 INFO L124 PetriNetUnfolderBase]: 1824/5548 cut-off events. [2025-03-15 01:55:11,916 INFO L125 PetriNetUnfolderBase]: For 39759/40479 co-relation queries the response was YES. [2025-03-15 01:55:11,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22929 conditions, 5548 events. 1824/5548 cut-off events. For 39759/40479 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 44098 event pairs, 529 based on Foata normal form. 15/4885 useless extension candidates. Maximal degree in co-relation 22084. Up to 2636 conditions per place. [2025-03-15 01:55:11,948 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 412 selfloop transitions, 172 changer transitions 0/720 dead transitions. [2025-03-15 01:55:11,948 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 310 places, 720 transitions, 8163 flow [2025-03-15 01:55:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-15 01:55:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-03-15 01:55:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 3290 transitions. [2025-03-15 01:55:11,953 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4361081654294804 [2025-03-15 01:55:11,953 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 145 predicate places. [2025-03-15 01:55:11,953 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 720 transitions, 8163 flow [2025-03-15 01:55:11,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:11,954 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:11,954 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:11,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:55:11,954 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:11,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:11,955 INFO L85 PathProgramCache]: Analyzing trace with hash 2073136699, now seen corresponding path program 3 times [2025-03-15 01:55:11,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:11,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631127990] [2025-03-15 01:55:11,955 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:55:11,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:11,970 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:55:11,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:12,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:12,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631127990] [2025-03-15 01:55:12,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631127990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:12,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:12,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:55:12,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037774274] [2025-03-15 01:55:12,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:12,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:12,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:12,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:12,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:12,248 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:55:12,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 720 transitions, 8163 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:12,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:12,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:55:12,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:13,548 INFO L124 PetriNetUnfolderBase]: 2469/7105 cut-off events. [2025-03-15 01:55:13,548 INFO L125 PetriNetUnfolderBase]: For 58823/59653 co-relation queries the response was YES. [2025-03-15 01:55:13,620 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33161 conditions, 7105 events. 2469/7105 cut-off events. For 58823/59653 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 57117 event pairs, 541 based on Foata normal form. 22/6368 useless extension candidates. Maximal degree in co-relation 32241. Up to 3179 conditions per place. [2025-03-15 01:55:13,644 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 727 selfloop transitions, 66 changer transitions 0/1024 dead transitions. [2025-03-15 01:55:13,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 1024 transitions, 13373 flow [2025-03-15 01:55:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:55:13,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:55:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 786 transitions. [2025-03-15 01:55:13,646 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.532520325203252 [2025-03-15 01:55:13,647 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 153 predicate places. [2025-03-15 01:55:13,647 INFO L471 AbstractCegarLoop]: Abstraction has has 318 places, 1024 transitions, 13373 flow [2025-03-15 01:55:13,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:13,648 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:13,648 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:13,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:55:13,648 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:13,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:13,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1276316795, now seen corresponding path program 4 times [2025-03-15 01:55:13,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:13,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587052895] [2025-03-15 01:55:13,649 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:55:13,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:13,683 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:55:13,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:14,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:14,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587052895] [2025-03-15 01:55:14,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587052895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:14,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:14,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:55:14,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882698816] [2025-03-15 01:55:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:14,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:14,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:14,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:14,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:14,053 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:55:14,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 318 places, 1024 transitions, 13373 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:14,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:14,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:55:14,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:15,526 INFO L124 PetriNetUnfolderBase]: 2513/7466 cut-off events. [2025-03-15 01:55:15,526 INFO L125 PetriNetUnfolderBase]: For 67861/68508 co-relation queries the response was YES. [2025-03-15 01:55:15,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38567 conditions, 7466 events. 2513/7466 cut-off events. For 67861/68508 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 60640 event pairs, 607 based on Foata normal form. 30/6734 useless extension candidates. Maximal degree in co-relation 37572. Up to 3360 conditions per place. [2025-03-15 01:55:15,640 INFO L140 encePairwiseOnDemand]: 150/164 looper letters, 835 selfloop transitions, 97 changer transitions 0/1163 dead transitions. [2025-03-15 01:55:15,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 326 places, 1163 transitions, 16809 flow [2025-03-15 01:55:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:55:15,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:55:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 787 transitions. [2025-03-15 01:55:15,642 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5331978319783198 [2025-03-15 01:55:15,642 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 161 predicate places. [2025-03-15 01:55:15,643 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 1163 transitions, 16809 flow [2025-03-15 01:55:15,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:15,643 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:15,643 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:15,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:55:15,643 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:15,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:15,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2073258309, now seen corresponding path program 5 times [2025-03-15 01:55:15,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:15,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758671989] [2025-03-15 01:55:15,644 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:55:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:15,683 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 01:55:15,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:16,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:16,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758671989] [2025-03-15 01:55:16,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758671989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:16,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:16,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2025-03-15 01:55:16,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746068741] [2025-03-15 01:55:16,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:16,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:55:16,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:16,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:55:16,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:55:16,306 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 164 [2025-03-15 01:55:16,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 1163 transitions, 16809 flow. Second operand has 13 states, 13 states have (on average 64.38461538461539) internal successors, (837), 13 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:16,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:16,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 164 [2025-03-15 01:55:16,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:19,877 INFO L124 PetriNetUnfolderBase]: 4536/11558 cut-off events. [2025-03-15 01:55:19,877 INFO L125 PetriNetUnfolderBase]: For 101272/101970 co-relation queries the response was YES. [2025-03-15 01:55:19,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64915 conditions, 11558 events. 4536/11558 cut-off events. For 101272/101970 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 95082 event pairs, 719 based on Foata normal form. 14/10522 useless extension candidates. Maximal degree in co-relation 63845. Up to 4880 conditions per place. [2025-03-15 01:55:19,959 INFO L140 encePairwiseOnDemand]: 145/164 looper letters, 1559 selfloop transitions, 412 changer transitions 0/2122 dead transitions. [2025-03-15 01:55:19,959 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 2122 transitions, 33943 flow [2025-03-15 01:55:19,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-03-15 01:55:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2025-03-15 01:55:19,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 2969 transitions. [2025-03-15 01:55:19,961 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4210153148043108 [2025-03-15 01:55:19,961 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 203 predicate places. [2025-03-15 01:55:19,962 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 2122 transitions, 33943 flow [2025-03-15 01:55:19,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 64.38461538461539) internal successors, (837), 13 states have internal predecessors, (837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:19,962 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:19,962 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:19,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:55:19,962 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:19,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:19,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1741053509, now seen corresponding path program 6 times [2025-03-15 01:55:19,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:19,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136962753] [2025-03-15 01:55:19,963 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:55:19,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:19,976 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:55:19,976 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:20,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:20,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136962753] [2025-03-15 01:55:20,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136962753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:20,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:20,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:55:20,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466888475] [2025-03-15 01:55:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:20,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:55:20,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:20,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:55:20,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:55:20,305 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:55:20,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 2122 transitions, 33943 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:20,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:20,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:55:20,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:24,750 INFO L124 PetriNetUnfolderBase]: 5424/13862 cut-off events. [2025-03-15 01:55:24,750 INFO L125 PetriNetUnfolderBase]: For 129620/130536 co-relation queries the response was YES. [2025-03-15 01:55:24,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84652 conditions, 13862 events. 5424/13862 cut-off events. For 129620/130536 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 119833 event pairs, 764 based on Foata normal form. 4/12669 useless extension candidates. Maximal degree in co-relation 83507. Up to 6088 conditions per place. [2025-03-15 01:55:24,862 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 1762 selfloop transitions, 634 changer transitions 0/2675 dead transitions. [2025-03-15 01:55:24,863 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 414 places, 2675 transitions, 47219 flow [2025-03-15 01:55:24,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 01:55:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 01:55:24,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 3380 transitions. [2025-03-15 01:55:24,865 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.43850544888427606 [2025-03-15 01:55:24,866 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 249 predicate places. [2025-03-15 01:55:24,866 INFO L471 AbstractCegarLoop]: Abstraction has has 414 places, 2675 transitions, 47219 flow [2025-03-15 01:55:24,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:24,866 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:24,866 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:24,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 01:55:24,867 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:24,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:24,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1053557663, now seen corresponding path program 1 times [2025-03-15 01:55:24,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:24,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041494028] [2025-03-15 01:55:24,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:55:24,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:25,185 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:25,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:25,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041494028] [2025-03-15 01:55:25,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041494028] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:25,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:25,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:55:25,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046049198] [2025-03-15 01:55:25,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:25,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:25,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:25,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:25,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:25,186 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:55:25,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 414 places, 2675 transitions, 47219 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:25,187 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:25,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:55:25,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:29,660 INFO L124 PetriNetUnfolderBase]: 5634/14365 cut-off events. [2025-03-15 01:55:29,660 INFO L125 PetriNetUnfolderBase]: For 158715/159834 co-relation queries the response was YES. [2025-03-15 01:55:29,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94924 conditions, 14365 events. 5634/14365 cut-off events. For 158715/159834 co-relation queries the response was YES. Maximal size of possible extension queue 329. Compared 124987 event pairs, 606 based on Foata normal form. 21/13119 useless extension candidates. Maximal degree in co-relation 93704. Up to 6304 conditions per place. [2025-03-15 01:55:29,765 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 2062 selfloop transitions, 161 changer transitions 0/2777 dead transitions. [2025-03-15 01:55:29,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 422 places, 2777 transitions, 54075 flow [2025-03-15 01:55:29,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:55:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:55:29,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 803 transitions. [2025-03-15 01:55:29,766 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5440379403794038 [2025-03-15 01:55:29,767 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 257 predicate places. [2025-03-15 01:55:29,767 INFO L471 AbstractCegarLoop]: Abstraction has has 422 places, 2777 transitions, 54075 flow [2025-03-15 01:55:29,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:29,767 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:29,767 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:29,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-15 01:55:29,767 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:29,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1353016683, now seen corresponding path program 2 times [2025-03-15 01:55:29,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:29,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646092270] [2025-03-15 01:55:29,768 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:29,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:29,784 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:55:29,785 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:30,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:30,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646092270] [2025-03-15 01:55:30,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646092270] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:30,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:30,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:55:30,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571984096] [2025-03-15 01:55:30,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:30,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:55:30,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:30,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:55:30,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:55:30,048 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 164 [2025-03-15 01:55:30,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 2777 transitions, 54075 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:30,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:30,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 164 [2025-03-15 01:55:30,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:36,648 INFO L124 PetriNetUnfolderBase]: 6653/16783 cut-off events. [2025-03-15 01:55:36,648 INFO L125 PetriNetUnfolderBase]: For 208279/209828 co-relation queries the response was YES. [2025-03-15 01:55:36,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120220 conditions, 16783 events. 6653/16783 cut-off events. For 208279/209828 co-relation queries the response was YES. Maximal size of possible extension queue 406. Compared 150884 event pairs, 732 based on Foata normal form. 167/15533 useless extension candidates. Maximal degree in co-relation 118927. Up to 7470 conditions per place. [2025-03-15 01:55:36,799 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 2405 selfloop transitions, 616 changer transitions 0/3501 dead transitions. [2025-03-15 01:55:36,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 463 places, 3501 transitions, 72429 flow [2025-03-15 01:55:36,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-15 01:55:36,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2025-03-15 01:55:36,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 3172 transitions. [2025-03-15 01:55:36,801 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4605110336817654 [2025-03-15 01:55:36,802 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 298 predicate places. [2025-03-15 01:55:36,802 INFO L471 AbstractCegarLoop]: Abstraction has has 463 places, 3501 transitions, 72429 flow [2025-03-15 01:55:36,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:36,802 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:36,802 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:36,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-15 01:55:36,802 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:36,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:36,803 INFO L85 PathProgramCache]: Analyzing trace with hash 468968865, now seen corresponding path program 3 times [2025-03-15 01:55:36,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:36,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044991789] [2025-03-15 01:55:36,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:55:36,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:36,820 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:55:36,820 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:37,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:37,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044991789] [2025-03-15 01:55:37,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044991789] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:37,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:37,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:55:37,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581858228] [2025-03-15 01:55:37,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:37,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:55:37,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:37,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:55:37,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:55:37,096 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 164 [2025-03-15 01:55:37,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 463 places, 3501 transitions, 72429 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:37,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:37,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 164 [2025-03-15 01:55:37,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:46,006 INFO L124 PetriNetUnfolderBase]: 7392/18633 cut-off events. [2025-03-15 01:55:46,006 INFO L125 PetriNetUnfolderBase]: For 259037/260893 co-relation queries the response was YES. [2025-03-15 01:55:46,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143801 conditions, 18633 events. 7392/18633 cut-off events. For 259037/260893 co-relation queries the response was YES. Maximal size of possible extension queue 442. Compared 171305 event pairs, 757 based on Foata normal form. 166/17248 useless extension candidates. Maximal degree in co-relation 142435. Up to 8381 conditions per place. [2025-03-15 01:55:46,178 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 2752 selfloop transitions, 883 changer transitions 0/4115 dead transitions. [2025-03-15 01:55:46,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 508 places, 4115 transitions, 90467 flow [2025-03-15 01:55:46,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-15 01:55:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-03-15 01:55:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 3428 transitions. [2025-03-15 01:55:46,180 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4544008483563097 [2025-03-15 01:55:46,181 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 343 predicate places. [2025-03-15 01:55:46,181 INFO L471 AbstractCegarLoop]: Abstraction has has 508 places, 4115 transitions, 90467 flow [2025-03-15 01:55:46,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:46,181 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:46,181 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:46,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-15 01:55:46,181 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:46,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:46,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1600347717, now seen corresponding path program 7 times [2025-03-15 01:55:46,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382406909] [2025-03-15 01:55:46,182 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:55:46,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:55:46,377 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:46,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:46,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382406909] [2025-03-15 01:55:46,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382406909] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:46,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:46,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:55:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055500272] [2025-03-15 01:55:46,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:46,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:46,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:46,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:46,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:46,379 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:55:46,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 508 places, 4115 transitions, 90467 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:46,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:46,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:55:46,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:54,258 INFO L124 PetriNetUnfolderBase]: 7259/18414 cut-off events. [2025-03-15 01:55:54,259 INFO L125 PetriNetUnfolderBase]: For 296691/298337 co-relation queries the response was YES. [2025-03-15 01:55:54,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150467 conditions, 18414 events. 7259/18414 cut-off events. For 296691/298337 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 169304 event pairs, 725 based on Foata normal form. 15/16881 useless extension candidates. Maximal degree in co-relation 149026. Up to 8218 conditions per place. [2025-03-15 01:55:54,446 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 2837 selfloop transitions, 226 changer transitions 0/3997 dead transitions. [2025-03-15 01:55:54,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 516 places, 3997 transitions, 94229 flow [2025-03-15 01:55:54,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:55:54,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:55:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 798 transitions. [2025-03-15 01:55:54,447 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.540650406504065 [2025-03-15 01:55:54,448 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 351 predicate places. [2025-03-15 01:55:54,448 INFO L471 AbstractCegarLoop]: Abstraction has has 516 places, 3997 transitions, 94229 flow [2025-03-15 01:55:54,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:54,448 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:54,448 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:54,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-15 01:55:54,449 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:55:54,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:54,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1783112397, now seen corresponding path program 4 times [2025-03-15 01:55:54,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:54,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386042005] [2025-03-15 01:55:54,449 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:55:54,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:54,463 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:55:54,464 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:55:54,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:54,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386042005] [2025-03-15 01:55:54,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386042005] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:55:54,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:55:54,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:55:54,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477913820] [2025-03-15 01:55:54,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:55:54,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:55:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:54,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:55:54,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:55:54,766 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:55:54,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 516 places, 3997 transitions, 94229 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:55:54,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:54,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:55:54,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:56:03,551 INFO L124 PetriNetUnfolderBase]: 7113/18066 cut-off events. [2025-03-15 01:56:03,551 INFO L125 PetriNetUnfolderBase]: For 334648/336510 co-relation queries the response was YES. [2025-03-15 01:56:03,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156144 conditions, 18066 events. 7113/18066 cut-off events. For 334648/336510 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 165305 event pairs, 763 based on Foata normal form. 24/16554 useless extension candidates. Maximal degree in co-relation 154628. Up to 8135 conditions per place. [2025-03-15 01:56:03,729 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 2846 selfloop transitions, 155 changer transitions 0/3935 dead transitions. [2025-03-15 01:56:03,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 3935 transitions, 98409 flow [2025-03-15 01:56:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:56:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:56:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 800 transitions. [2025-03-15 01:56:03,730 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5420054200542005 [2025-03-15 01:56:03,730 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 359 predicate places. [2025-03-15 01:56:03,730 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 3935 transitions, 98409 flow [2025-03-15 01:56:03,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:03,731 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:56:03,731 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:56:03,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-15 01:56:03,731 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:56:03,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:56:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1143333435, now seen corresponding path program 8 times [2025-03-15 01:56:03,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:56:03,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841394978] [2025-03-15 01:56:03,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:56:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:56:03,742 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:56:03,742 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:56:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:56:04,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:56:04,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841394978] [2025-03-15 01:56:04,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841394978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:56:04,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:56:04,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:56:04,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725629049] [2025-03-15 01:56:04,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:56:04,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:56:04,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:56:04,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:56:04,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:56:04,013 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:56:04,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 3935 transitions, 98409 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:04,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:56:04,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:56:04,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:56:14,600 INFO L124 PetriNetUnfolderBase]: 7781/19773 cut-off events. [2025-03-15 01:56:14,600 INFO L125 PetriNetUnfolderBase]: For 396630/398843 co-relation queries the response was YES. [2025-03-15 01:56:14,700 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181345 conditions, 19773 events. 7781/19773 cut-off events. For 396630/398843 co-relation queries the response was YES. Maximal size of possible extension queue 445. Compared 184634 event pairs, 781 based on Foata normal form. 0/18134 useless extension candidates. Maximal degree in co-relation 179754. Up to 8997 conditions per place. [2025-03-15 01:56:14,825 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 3027 selfloop transitions, 703 changer transitions 0/4389 dead transitions. [2025-03-15 01:56:14,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 4389 transitions, 117203 flow [2025-03-15 01:56:14,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-03-15 01:56:14,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2025-03-15 01:56:14,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 3225 transitions. [2025-03-15 01:56:14,828 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4369918699186992 [2025-03-15 01:56:14,828 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 403 predicate places. [2025-03-15 01:56:14,828 INFO L471 AbstractCegarLoop]: Abstraction has has 568 places, 4389 transitions, 117203 flow [2025-03-15 01:56:14,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:14,829 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:56:14,829 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:56:14,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-15 01:56:14,829 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:56:14,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:56:14,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1661872223, now seen corresponding path program 5 times [2025-03-15 01:56:14,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:56:14,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336515739] [2025-03-15 01:56:14,829 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:56:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:56:14,844 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 01:56:14,844 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:56:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-03-15 01:56:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:56:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336515739] [2025-03-15 01:56:15,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336515739] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:56:15,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643831458] [2025-03-15 01:56:15,484 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:56:15,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:56:15,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:56:15,487 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:56:15,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-15 01:56:15,612 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 01:56:15,612 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:56:15,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-15 01:56:15,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:56:15,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-15 01:56:15,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-03-15 01:56:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:56:15,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:56:15,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643831458] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:56:15,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:56:15,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 21 [2025-03-15 01:56:15,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174111060] [2025-03-15 01:56:15,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:56:15,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:56:15,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:56:15,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:56:15,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:56:15,923 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 164 [2025-03-15 01:56:15,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 568 places, 4389 transitions, 117203 flow. Second operand has 13 states, 13 states have (on average 58.61538461538461) internal successors, (762), 13 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:15,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:56:15,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 164 [2025-03-15 01:56:15,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:56:30,823 INFO L124 PetriNetUnfolderBase]: 9042/21854 cut-off events. [2025-03-15 01:56:30,823 INFO L125 PetriNetUnfolderBase]: For 468327/469784 co-relation queries the response was YES. [2025-03-15 01:56:30,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215132 conditions, 21854 events. 9042/21854 cut-off events. For 468327/469784 co-relation queries the response was YES. Maximal size of possible extension queue 455. Compared 200943 event pairs, 897 based on Foata normal form. 3/19996 useless extension candidates. Maximal degree in co-relation 213466. Up to 10131 conditions per place. [2025-03-15 01:56:31,064 INFO L140 encePairwiseOnDemand]: 140/164 looper letters, 4930 selfloop transitions, 381 changer transitions 0/5436 dead transitions. [2025-03-15 01:56:31,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 603 places, 5436 transitions, 145773 flow [2025-03-15 01:56:31,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 01:56:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 01:56:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2455 transitions. [2025-03-15 01:56:31,067 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.41581978319783197 [2025-03-15 01:56:31,067 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 438 predicate places. [2025-03-15 01:56:31,067 INFO L471 AbstractCegarLoop]: Abstraction has has 603 places, 5436 transitions, 145773 flow [2025-03-15 01:56:31,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 58.61538461538461) internal successors, (762), 13 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:31,068 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:56:31,068 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:56:31,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-15 01:56:31,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:56:31,268 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:56:31,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:56:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash -784605401, now seen corresponding path program 9 times [2025-03-15 01:56:31,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:56:31,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582644064] [2025-03-15 01:56:31,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:56:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:56:31,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:56:31,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:56:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:56:31,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:56:31,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582644064] [2025-03-15 01:56:31,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582644064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:56:31,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:56:31,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:56:31,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598938201] [2025-03-15 01:56:31,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:56:31,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:56:31,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:56:31,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:56:31,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:56:31,529 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:56:31,529 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 603 places, 5436 transitions, 145773 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:31,529 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:56:31,529 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:56:31,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:56:48,935 INFO L124 PetriNetUnfolderBase]: 9795/23596 cut-off events. [2025-03-15 01:56:48,936 INFO L125 PetriNetUnfolderBase]: For 553829/555584 co-relation queries the response was YES. [2025-03-15 01:56:49,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245258 conditions, 23596 events. 9795/23596 cut-off events. For 553829/555584 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 219489 event pairs, 925 based on Foata normal form. 7/21639 useless extension candidates. Maximal degree in co-relation 243517. Up to 11034 conditions per place. [2025-03-15 01:56:49,304 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 4226 selfloop transitions, 705 changer transitions 0/5920 dead transitions. [2025-03-15 01:56:49,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 5920 transitions, 168875 flow [2025-03-15 01:56:49,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-15 01:56:49,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2025-03-15 01:56:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 2907 transitions. [2025-03-15 01:56:49,307 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.443140243902439 [2025-03-15 01:56:49,307 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 477 predicate places. [2025-03-15 01:56:49,307 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 5920 transitions, 168875 flow [2025-03-15 01:56:49,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:49,307 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:56:49,308 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:56:49,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-15 01:56:49,308 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:56:49,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:56:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1053008487, now seen corresponding path program 10 times [2025-03-15 01:56:49,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:56:49,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781656567] [2025-03-15 01:56:49,308 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:56:49,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:56:49,320 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:56:49,321 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:56:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:56:49,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:56:49,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781656567] [2025-03-15 01:56:49,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781656567] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:56:49,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:56:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:56:49,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781891182] [2025-03-15 01:56:49,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:56:49,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:56:49,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:56:49,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:56:49,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:56:49,664 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:56:49,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 5920 transitions, 168875 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:56:49,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:56:49,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:56:49,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:09,193 INFO L124 PetriNetUnfolderBase]: 9657/23315 cut-off events. [2025-03-15 01:57:09,193 INFO L125 PetriNetUnfolderBase]: For 619151/621010 co-relation queries the response was YES. [2025-03-15 01:57:09,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252616 conditions, 23315 events. 9657/23315 cut-off events. For 619151/621010 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 216712 event pairs, 931 based on Foata normal form. 19/21378 useless extension candidates. Maximal degree in co-relation 250800. Up to 10925 conditions per place. [2025-03-15 01:57:09,491 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 3620 selfloop transitions, 319 changer transitions 0/5833 dead transitions. [2025-03-15 01:57:09,492 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 650 places, 5833 transitions, 173999 flow [2025-03-15 01:57:09,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:57:09,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:57:09,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 799 transitions. [2025-03-15 01:57:09,493 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5413279132791328 [2025-03-15 01:57:09,493 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 485 predicate places. [2025-03-15 01:57:09,493 INFO L471 AbstractCegarLoop]: Abstraction has has 650 places, 5833 transitions, 173999 flow [2025-03-15 01:57:09,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:09,494 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:09,494 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:09,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-15 01:57:09,494 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:57:09,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:09,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1726499205, now seen corresponding path program 11 times [2025-03-15 01:57:09,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:09,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265062853] [2025-03-15 01:57:09,495 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:09,510 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 01:57:09,510 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-03-15 01:57:09,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:09,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265062853] [2025-03-15 01:57:09,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265062853] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:57:09,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645475450] [2025-03-15 01:57:09,831 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:09,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:57:09,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:57:09,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:57:09,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-15 01:57:09,932 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 01:57:09,932 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:09,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-15 01:57:09,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:57:10,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-15 01:57:10,145 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:57:10,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:57:10,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645475450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:10,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:57:10,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2025-03-15 01:57:10,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480443762] [2025-03-15 01:57:10,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:10,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 01:57:10,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:10,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 01:57:10,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-03-15 01:57:10,146 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:57:10,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 650 places, 5833 transitions, 173999 flow. Second operand has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:10,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:10,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:57:10,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:30,264 INFO L124 PetriNetUnfolderBase]: 9879/23800 cut-off events. [2025-03-15 01:57:30,264 INFO L125 PetriNetUnfolderBase]: For 711198/713195 co-relation queries the response was YES. [2025-03-15 01:57:30,390 INFO L83 FinitePrefix]: Finished finitePrefix Result has 269151 conditions, 23800 events. 9879/23800 cut-off events. For 711198/713195 co-relation queries the response was YES. Maximal size of possible extension queue 509. Compared 221760 event pairs, 937 based on Foata normal form. 11/21828 useless extension candidates. Maximal degree in co-relation 267260. Up to 11150 conditions per place. [2025-03-15 01:57:30,574 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 3884 selfloop transitions, 177 changer transitions 0/5955 dead transitions. [2025-03-15 01:57:30,575 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 659 places, 5955 transitions, 186911 flow [2025-03-15 01:57:30,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:57:30,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:57:30,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 860 transitions. [2025-03-15 01:57:30,576 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.524390243902439 [2025-03-15 01:57:30,576 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 494 predicate places. [2025-03-15 01:57:30,576 INFO L471 AbstractCegarLoop]: Abstraction has has 659 places, 5955 transitions, 186911 flow [2025-03-15 01:57:30,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:30,577 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:30,577 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:30,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-15 01:57:30,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:57:30,777 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:57:30,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1863716711, now seen corresponding path program 12 times [2025-03-15 01:57:30,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:30,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908626256] [2025-03-15 01:57:30,778 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:57:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:30,790 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:57:30,790 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:57:30,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:30,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908626256] [2025-03-15 01:57:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908626256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:30,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:30,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:57:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75483818] [2025-03-15 01:57:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:30,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:57:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:30,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:57:30,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:57:30,916 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:57:30,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 659 places, 5955 transitions, 186911 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:30,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:30,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:57:30,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:52,010 INFO L124 PetriNetUnfolderBase]: 9897/23849 cut-off events. [2025-03-15 01:57:52,010 INFO L125 PetriNetUnfolderBase]: For 798069/800186 co-relation queries the response was YES. [2025-03-15 01:57:52,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280506 conditions, 23849 events. 9897/23849 cut-off events. For 798069/800186 co-relation queries the response was YES. Maximal size of possible extension queue 515. Compared 222318 event pairs, 956 based on Foata normal form. 19/21886 useless extension candidates. Maximal degree in co-relation 278540. Up to 11181 conditions per place. [2025-03-15 01:57:52,311 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 3917 selfloop transitions, 168 changer transitions 0/5979 dead transitions. [2025-03-15 01:57:52,311 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 667 places, 5979 transitions, 196053 flow [2025-03-15 01:57:52,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:57:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:57:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 797 transitions. [2025-03-15 01:57:52,312 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5399728997289973 [2025-03-15 01:57:52,313 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 502 predicate places. [2025-03-15 01:57:52,313 INFO L471 AbstractCegarLoop]: Abstraction has has 667 places, 5979 transitions, 196053 flow [2025-03-15 01:57:52,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:52,313 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:52,313 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:52,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-15 01:57:52,313 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:57:52,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:52,314 INFO L85 PathProgramCache]: Analyzing trace with hash -972953349, now seen corresponding path program 13 times [2025-03-15 01:57:52,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:52,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057475090] [2025-03-15 01:57:52,314 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:57:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:57:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057475090] [2025-03-15 01:57:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057475090] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472961031] [2025-03-15 01:57:52,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:57:52,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:52,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:57:52,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:57:52,670 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:57:52,671 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 667 places, 5979 transitions, 196053 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:52,671 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:52,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:57:52,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:17,660 INFO L124 PetriNetUnfolderBase]: 10541/25353 cut-off events. [2025-03-15 01:58:17,660 INFO L125 PetriNetUnfolderBase]: For 914133/916635 co-relation queries the response was YES. [2025-03-15 01:58:17,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312617 conditions, 25353 events. 10541/25353 cut-off events. For 914133/916635 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 239111 event pairs, 978 based on Foata normal form. 41/23332 useless extension candidates. Maximal degree in co-relation 310576. Up to 11920 conditions per place. [2025-03-15 01:58:17,995 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 4676 selfloop transitions, 898 changer transitions 0/6563 dead transitions. [2025-03-15 01:58:17,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 710 places, 6563 transitions, 227025 flow [2025-03-15 01:58:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-03-15 01:58:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2025-03-15 01:58:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 3163 transitions. [2025-03-15 01:58:17,997 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.43833148558758317 [2025-03-15 01:58:17,998 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 545 predicate places. [2025-03-15 01:58:17,998 INFO L471 AbstractCegarLoop]: Abstraction has has 710 places, 6563 transitions, 227025 flow [2025-03-15 01:58:17,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:17,998 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:17,998 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:17,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-15 01:58:17,999 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:58:17,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:17,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1096363233, now seen corresponding path program 6 times [2025-03-15 01:58:17,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:17,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878030761] [2025-03-15 01:58:17,999 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:18,011 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:18,011 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:58:18,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:18,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878030761] [2025-03-15 01:58:18,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878030761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:18,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:18,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 01:58:18,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123133103] [2025-03-15 01:58:18,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:18,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:58:18,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:18,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:58:18,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:58:18,126 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 01:58:18,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 710 places, 6563 transitions, 227025 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:18,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:18,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 01:58:18,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:43,083 INFO L124 PetriNetUnfolderBase]: 10426/25070 cut-off events. [2025-03-15 01:58:43,083 INFO L125 PetriNetUnfolderBase]: For 1002769/1005157 co-relation queries the response was YES. [2025-03-15 01:58:43,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 320520 conditions, 25070 events. 10426/25070 cut-off events. For 1002769/1005157 co-relation queries the response was YES. Maximal size of possible extension queue 539. Compared 235936 event pairs, 972 based on Foata normal form. 11/23017 useless extension candidates. Maximal degree in co-relation 318404. Up to 11850 conditions per place. [2025-03-15 01:58:43,419 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 4195 selfloop transitions, 266 changer transitions 0/6459 dead transitions. [2025-03-15 01:58:43,419 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 6459 transitions, 232479 flow [2025-03-15 01:58:43,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:58:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:58:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 790 transitions. [2025-03-15 01:58:43,420 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.535230352303523 [2025-03-15 01:58:43,421 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 553 predicate places. [2025-03-15 01:58:43,421 INFO L471 AbstractCegarLoop]: Abstraction has has 718 places, 6459 transitions, 232479 flow [2025-03-15 01:58:43,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:43,421 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:43,421 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:43,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-15 01:58:43,422 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:58:43,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:43,422 INFO L85 PathProgramCache]: Analyzing trace with hash 506659447, now seen corresponding path program 14 times [2025-03-15 01:58:43,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:43,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573666300] [2025-03-15 01:58:43,423 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:43,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:43,434 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:43,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:58:44,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:44,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573666300] [2025-03-15 01:58:44,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573666300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:44,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:44,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:44,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780878574] [2025-03-15 01:58:44,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:44,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:58:44,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:44,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:58:44,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:58:44,055 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 01:58:44,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 6459 transitions, 232479 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:44,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:44,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 01:58:44,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:12,287 INFO L124 PetriNetUnfolderBase]: 10991/26420 cut-off events. [2025-03-15 01:59:12,287 INFO L125 PetriNetUnfolderBase]: For 1136580/1139327 co-relation queries the response was YES. [2025-03-15 01:59:12,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 352813 conditions, 26420 events. 10991/26420 cut-off events. For 1136580/1139327 co-relation queries the response was YES. Maximal size of possible extension queue 566. Compared 251138 event pairs, 995 based on Foata normal form. 42/24320 useless extension candidates. Maximal degree in co-relation 350622. Up to 12545 conditions per place. [2025-03-15 01:59:12,639 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 5024 selfloop transitions, 912 changer transitions 0/6925 dead transitions. [2025-03-15 01:59:12,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 759 places, 6925 transitions, 261313 flow [2025-03-15 01:59:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-15 01:59:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2025-03-15 01:59:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 3046 transitions. [2025-03-15 01:59:12,641 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4422183507549361 [2025-03-15 01:59:12,642 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 594 predicate places. [2025-03-15 01:59:12,642 INFO L471 AbstractCegarLoop]: Abstraction has has 759 places, 6925 transitions, 261313 flow [2025-03-15 01:59:12,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:59:12,642 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:12,642 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:59:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-15 01:59:12,643 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:59:12,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1226865195, now seen corresponding path program 7 times [2025-03-15 01:59:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875505971] [2025-03-15 01:59:12,643 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:59:12,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:59:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:59:13,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:13,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875505971] [2025-03-15 01:59:13,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875505971] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:13,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:13,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:59:13,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537627272] [2025-03-15 01:59:13,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:13,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:59:13,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:13,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:59:13,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:59:13,260 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 164 [2025-03-15 01:59:13,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 759 places, 6925 transitions, 261313 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:59:13,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:13,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 164 [2025-03-15 01:59:13,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:50,732 INFO L124 PetriNetUnfolderBase]: 12071/29144 cut-off events. [2025-03-15 01:59:50,733 INFO L125 PetriNetUnfolderBase]: For 1325317/1328245 co-relation queries the response was YES. [2025-03-15 01:59:50,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 402757 conditions, 29144 events. 12071/29144 cut-off events. For 1325317/1328245 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 282912 event pairs, 1022 based on Foata normal form. 8/26830 useless extension candidates. Maximal degree in co-relation 400493. Up to 14043 conditions per place. [2025-03-15 01:59:51,146 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 5604 selfloop transitions, 553 changer transitions 0/7564 dead transitions. [2025-03-15 01:59:51,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 800 places, 7564 transitions, 297649 flow [2025-03-15 01:59:51,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-15 01:59:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2025-03-15 01:59:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 3165 transitions. [2025-03-15 01:59:51,149 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4594947735191638 [2025-03-15 01:59:51,149 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 635 predicate places. [2025-03-15 01:59:51,149 INFO L471 AbstractCegarLoop]: Abstraction has has 800 places, 7564 transitions, 297649 flow [2025-03-15 01:59:51,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:59:51,150 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:51,150 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:59:51,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-15 01:59:51,150 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 01:59:51,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:51,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1541567227, now seen corresponding path program 8 times [2025-03-15 01:59:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:51,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083626219] [2025-03-15 01:59:51,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:59:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:51,161 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:59:51,162 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 01:59:51,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:51,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083626219] [2025-03-15 01:59:51,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083626219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:51,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:51,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:59:51,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245583578] [2025-03-15 01:59:51,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:51,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:59:51,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:51,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:59:51,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:59:51,388 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 164 [2025-03-15 01:59:51,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 800 places, 7564 transitions, 297649 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:59:51,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:51,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 164 [2025-03-15 01:59:51,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:39,086 INFO L124 PetriNetUnfolderBase]: 13187/31808 cut-off events. [2025-03-15 02:00:39,086 INFO L125 PetriNetUnfolderBase]: For 1557815/1561276 co-relation queries the response was YES. [2025-03-15 02:00:39,269 INFO L83 FinitePrefix]: Finished finitePrefix Result has 457056 conditions, 31808 events. 13187/31808 cut-off events. For 1557815/1561276 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 313192 event pairs, 1184 based on Foata normal form. 5/29303 useless extension candidates. Maximal degree in co-relation 454719. Up to 14972 conditions per place. [2025-03-15 02:00:39,573 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 6021 selfloop transitions, 890 changer transitions 0/8318 dead transitions. [2025-03-15 02:00:39,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 841 places, 8318 transitions, 340435 flow [2025-03-15 02:00:39,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-03-15 02:00:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2025-03-15 02:00:39,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 3150 transitions. [2025-03-15 02:00:39,575 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4573170731707317 [2025-03-15 02:00:39,575 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 676 predicate places. [2025-03-15 02:00:39,575 INFO L471 AbstractCegarLoop]: Abstraction has has 841 places, 8318 transitions, 340435 flow [2025-03-15 02:00:39,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 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 02:00:39,576 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:39,576 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:39,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-15 02:00:39,576 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:00:39,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:39,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1308486217, now seen corresponding path program 15 times [2025-03-15 02:00:39,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:39,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848833743] [2025-03-15 02:00:39,577 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:00:39,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:39,593 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:00:39,593 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:00:39,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:39,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848833743] [2025-03-15 02:00:39,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848833743] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:39,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:39,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 02:00:39,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285984806] [2025-03-15 02:00:39,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:39,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 02:00:39,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:39,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 02:00:39,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-15 02:00:39,863 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 02:00:39,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 841 places, 8318 transitions, 340435 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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 02:00:39,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:39,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 02:00:39,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:28,989 INFO L124 PetriNetUnfolderBase]: 13020/31438 cut-off events. [2025-03-15 02:01:28,989 INFO L125 PetriNetUnfolderBase]: For 1680870/1684386 co-relation queries the response was YES. [2025-03-15 02:01:29,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 465552 conditions, 31438 events. 13020/31438 cut-off events. For 1680870/1684386 co-relation queries the response was YES. Maximal size of possible extension queue 653. Compared 308877 event pairs, 1185 based on Foata normal form. 11/28945 useless extension candidates. Maximal degree in co-relation 463140. Up to 14845 conditions per place. [2025-03-15 02:01:29,540 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 5311 selfloop transitions, 350 changer transitions 0/8176 dead transitions. [2025-03-15 02:01:29,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 849 places, 8176 transitions, 346283 flow [2025-03-15 02:01:29,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 02:01:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 02:01:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 791 transitions. [2025-03-15 02:01:29,542 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5359078590785907 [2025-03-15 02:01:29,542 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 684 predicate places. [2025-03-15 02:01:29,542 INFO L471 AbstractCegarLoop]: Abstraction has has 849 places, 8176 transitions, 346283 flow [2025-03-15 02:01:29,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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 02:01:29,543 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:29,543 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:29,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-15 02:01:29,543 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:01:29,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash -249103345, now seen corresponding path program 9 times [2025-03-15 02:01:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893687560] [2025-03-15 02:01:29,544 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:01:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:29,734 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:01:29,734 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:29,999 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:01:29,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:30,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893687560] [2025-03-15 02:01:30,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893687560] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:30,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:30,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 02:01:30,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708699919] [2025-03-15 02:01:30,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:30,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 02:01:30,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:30,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 02:01:30,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 02:01:30,001 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 164 [2025-03-15 02:01:30,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 849 places, 8176 transitions, 346283 flow. Second operand has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 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 02:01:30,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:30,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 164 [2025-03-15 02:01:30,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:30,609 INFO L124 PetriNetUnfolderBase]: 13916/33723 cut-off events. [2025-03-15 02:02:30,609 INFO L125 PetriNetUnfolderBase]: For 1916544/1920624 co-relation queries the response was YES. [2025-03-15 02:02:30,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 515379 conditions, 33723 events. 13916/33723 cut-off events. For 1916544/1920624 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 335988 event pairs, 1226 based on Foata normal form. 5/31059 useless extension candidates. Maximal degree in co-relation 512894. Up to 15839 conditions per place. [2025-03-15 02:02:31,173 INFO L140 encePairwiseOnDemand]: 143/164 looper letters, 6350 selfloop transitions, 952 changer transitions 0/8708 dead transitions. [2025-03-15 02:02:31,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 8708 transitions, 382543 flow [2025-03-15 02:02:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 02:02:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 02:02:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 2749 transitions. [2025-03-15 02:02:31,175 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.46561653116531165 [2025-03-15 02:02:31,176 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 719 predicate places. [2025-03-15 02:02:31,176 INFO L471 AbstractCegarLoop]: Abstraction has has 884 places, 8708 transitions, 382543 flow [2025-03-15 02:02:31,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 71.64285714285714) internal successors, (1003), 14 states have internal predecessors, (1003), 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 02:02:31,176 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:31,176 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:31,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-15 02:02:31,177 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:02:31,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:31,177 INFO L85 PathProgramCache]: Analyzing trace with hash -2013237597, now seen corresponding path program 16 times [2025-03-15 02:02:31,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:31,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045287919] [2025-03-15 02:02:31,178 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:02:31,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:31,194 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:02:31,194 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:02:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:02:31,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:31,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045287919] [2025-03-15 02:02:31,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045287919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:31,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:31,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 02:02:31,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814325911] [2025-03-15 02:02:31,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:31,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 02:02:31,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:31,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 02:02:31,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-03-15 02:02:31,355 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 02:02:31,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 8708 transitions, 382543 flow. Second operand has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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 02:02:31,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:31,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 02:02:31,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:03:33,894 INFO L124 PetriNetUnfolderBase]: 13609/33036 cut-off events. [2025-03-15 02:03:33,895 INFO L125 PetriNetUnfolderBase]: For 2040115/2044265 co-relation queries the response was YES. [2025-03-15 02:03:34,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519137 conditions, 33036 events. 13609/33036 cut-off events. For 2040115/2044265 co-relation queries the response was YES. Maximal size of possible extension queue 650. Compared 327965 event pairs, 1231 based on Foata normal form. 19/30401 useless extension candidates. Maximal degree in co-relation 516577. Up to 15557 conditions per place. [2025-03-15 02:03:34,651 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 5520 selfloop transitions, 330 changer transitions 0/8458 dead transitions. [2025-03-15 02:03:34,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 892 places, 8458 transitions, 383567 flow [2025-03-15 02:03:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 02:03:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 02:03:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 788 transitions. [2025-03-15 02:03:34,653 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5338753387533876 [2025-03-15 02:03:34,653 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 727 predicate places. [2025-03-15 02:03:34,653 INFO L471 AbstractCegarLoop]: Abstraction has has 892 places, 8458 transitions, 383567 flow [2025-03-15 02:03:34,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 74.0) internal successors, (666), 9 states have internal predecessors, (666), 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 02:03:34,654 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:03:34,654 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:34,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-15 02:03:34,654 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:03:34,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:03:34,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1919488837, now seen corresponding path program 17 times [2025-03-15 02:03:34,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:03:34,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822603989] [2025-03-15 02:03:34,655 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:03:34,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:03:34,673 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 02:03:34,673 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:03:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-03-15 02:03:35,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:03:35,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822603989] [2025-03-15 02:03:35,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822603989] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 02:03:35,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311485484] [2025-03-15 02:03:35,080 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:03:35,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:03:35,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:03:35,082 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 02:03:35,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-15 02:03:35,200 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 02:03:35,200 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:03:35,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-15 02:03:35,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:03:35,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-15 02:03:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:03:35,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 02:03:35,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311485484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:03:35,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 02:03:35,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2025-03-15 02:03:35,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125428738] [2025-03-15 02:03:35,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:03:35,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 02:03:35,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:03:35,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 02:03:35,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2025-03-15 02:03:35,433 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 02:03:35,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 892 places, 8458 transitions, 383567 flow. Second operand has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 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 02:03:35,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:03:35,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 02:03:35,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:04:38,864 INFO L124 PetriNetUnfolderBase]: 13937/33788 cut-off events. [2025-03-15 02:04:38,865 INFO L125 PetriNetUnfolderBase]: For 2261906/2266204 co-relation queries the response was YES. [2025-03-15 02:04:39,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546876 conditions, 33788 events. 13937/33788 cut-off events. For 2261906/2266204 co-relation queries the response was YES. Maximal size of possible extension queue 686. Compared 336448 event pairs, 1221 based on Foata normal form. 11/31108 useless extension candidates. Maximal degree in co-relation 544241. Up to 15890 conditions per place. [2025-03-15 02:04:39,495 INFO L140 encePairwiseOnDemand]: 149/164 looper letters, 5708 selfloop transitions, 380 changer transitions 0/8696 dead transitions. [2025-03-15 02:04:39,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 901 places, 8696 transitions, 409455 flow [2025-03-15 02:04:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 02:04:39,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 02:04:39,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 860 transitions. [2025-03-15 02:04:39,496 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.524390243902439 [2025-03-15 02:04:39,497 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 736 predicate places. [2025-03-15 02:04:39,497 INFO L471 AbstractCegarLoop]: Abstraction has has 901 places, 8696 transitions, 409455 flow [2025-03-15 02:04:39,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 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 02:04:39,497 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:04:39,497 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:39,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-15 02:04:39,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-03-15 02:04:39,698 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:04:39,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:04:39,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2016750425, now seen corresponding path program 18 times [2025-03-15 02:04:39,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:04:39,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338718735] [2025-03-15 02:04:39,699 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:04:39,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:04:39,710 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:04:39,710 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:04:40,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:04:40,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338718735] [2025-03-15 02:04:40,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338718735] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:04:40,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:04:40,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 02:04:40,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806066833] [2025-03-15 02:04:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:04:40,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 02:04:40,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:04:40,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 02:04:40,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2025-03-15 02:04:40,086 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 02:04:40,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 901 places, 8696 transitions, 409455 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 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 02:04:40,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:04:40,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 02:04:40,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:05:55,580 INFO L124 PetriNetUnfolderBase]: 14520/35144 cut-off events. [2025-03-15 02:05:55,580 INFO L125 PetriNetUnfolderBase]: For 2483635/2488365 co-relation queries the response was YES. [2025-03-15 02:05:55,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588222 conditions, 35144 events. 14520/35144 cut-off events. For 2483635/2488365 co-relation queries the response was YES. Maximal size of possible extension queue 714. Compared 352163 event pairs, 1256 based on Foata normal form. 10/32359 useless extension candidates. Maximal degree in co-relation 585512. Up to 17851 conditions per place. [2025-03-15 02:05:56,222 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 7114 selfloop transitions, 493 changer transitions 0/9082 dead transitions. [2025-03-15 02:05:56,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 9082 transitions, 442959 flow [2025-03-15 02:05:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:05:56,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:05:56,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 2777 transitions. [2025-03-15 02:05:56,224 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4456033376123235 [2025-03-15 02:05:56,225 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 773 predicate places. [2025-03-15 02:05:56,225 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 9082 transitions, 442959 flow [2025-03-15 02:05:56,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 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 02:05:56,225 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:05:56,225 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:56,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-15 02:05:56,226 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:05:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:05:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1759678083, now seen corresponding path program 10 times [2025-03-15 02:05:56,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:05:56,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215405926] [2025-03-15 02:05:56,227 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:05:56,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:05:56,238 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:05:56,239 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:05:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:05:56,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:05:56,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215405926] [2025-03-15 02:05:56,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215405926] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:05:56,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:05:56,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-15 02:05:56,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070359104] [2025-03-15 02:05:56,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:05:56,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 02:05:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:05:56,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 02:05:56,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-15 02:05:56,456 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 02:05:56,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 9082 transitions, 442959 flow. Second operand has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 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 02:05:56,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:05:56,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 02:05:56,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:09,388 INFO L124 PetriNetUnfolderBase]: 14120/34164 cut-off events. [2025-03-15 02:07:09,388 INFO L125 PetriNetUnfolderBase]: For 2629400/2634157 co-relation queries the response was YES. [2025-03-15 02:07:09,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 588707 conditions, 34164 events. 14120/34164 cut-off events. For 2629400/2634157 co-relation queries the response was YES. Maximal size of possible extension queue 715. Compared 340815 event pairs, 1253 based on Foata normal form. 13/31456 useless extension candidates. Maximal degree in co-relation 585922. Up to 17944 conditions per place. [2025-03-15 02:07:10,022 INFO L140 encePairwiseOnDemand]: 148/164 looper letters, 5847 selfloop transitions, 351 changer transitions 0/8850 dead transitions. [2025-03-15 02:07:10,022 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 8850 transitions, 444191 flow [2025-03-15 02:07:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 02:07:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 02:07:10,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 864 transitions. [2025-03-15 02:07:10,023 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.526829268292683 [2025-03-15 02:07:10,024 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 758 predicate places. [2025-03-15 02:07:10,024 INFO L471 AbstractCegarLoop]: Abstraction has has 923 places, 8850 transitions, 444191 flow [2025-03-15 02:07:10,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 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 02:07:10,024 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:10,024 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:07:10,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-15 02:07:10,024 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:10,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:10,025 INFO L85 PathProgramCache]: Analyzing trace with hash 78223313, now seen corresponding path program 19 times [2025-03-15 02:07:10,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:10,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563652968] [2025-03-15 02:07:10,025 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:07:10,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:10,516 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:07:10,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:10,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563652968] [2025-03-15 02:07:10,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563652968] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:10,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:10,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 02:07:10,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082593072] [2025-03-15 02:07:10,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:10,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 02:07:10,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:10,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 02:07:10,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-03-15 02:07:10,518 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 164 [2025-03-15 02:07:10,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 8850 transitions, 444191 flow. Second operand has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 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 02:07:10,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:10,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 164 [2025-03-15 02:07:10,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:08:33,456 INFO L124 PetriNetUnfolderBase]: 14660/35482 cut-off events. [2025-03-15 02:08:33,456 INFO L125 PetriNetUnfolderBase]: For 2855653/2860799 co-relation queries the response was YES. [2025-03-15 02:08:33,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 629786 conditions, 35482 events. 14660/35482 cut-off events. For 2855653/2860799 co-relation queries the response was YES. Maximal size of possible extension queue 728. Compared 356374 event pairs, 1251 based on Foata normal form. 10/32672 useless extension candidates. Maximal degree in co-relation 626926. Up to 18677 conditions per place. [2025-03-15 02:08:34,172 INFO L140 encePairwiseOnDemand]: 144/164 looper letters, 7196 selfloop transitions, 489 changer transitions 0/9160 dead transitions. [2025-03-15 02:08:34,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 9160 transitions, 475595 flow [2025-03-15 02:08:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 02:08:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2025-03-15 02:08:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 2381 transitions. [2025-03-15 02:08:34,175 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.4536966463414634 [2025-03-15 02:08:34,175 INFO L298 CegarLoopForPetriNet]: 165 programPoint places, 789 predicate places. [2025-03-15 02:08:34,175 INFO L471 AbstractCegarLoop]: Abstraction has has 954 places, 9160 transitions, 475595 flow [2025-03-15 02:08:34,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 69.71428571428571) internal successors, (976), 14 states have internal predecessors, (976), 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 02:08:34,176 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:08:34,176 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:08:34,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-15 02:08:34,176 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:08:34,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:08:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1890180045, now seen corresponding path program 11 times [2025-03-15 02:08:34,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:08:34,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40725402] [2025-03-15 02:08:34,177 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:08:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:08:34,191 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 02:08:34,192 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:08:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2025-03-15 02:08:34,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:08:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40725402] [2025-03-15 02:08:34,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40725402] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 02:08:34,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398581268] [2025-03-15 02:08:34,509 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:08:34,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:08:34,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:08:34,511 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 02:08:34,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-15 02:08:34,620 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-03-15 02:08:34,621 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:08:34,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-03-15 02:08:34,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:08:34,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-15 02:08:34,828 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2025-03-15 02:08:34,828 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 02:08:34,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398581268] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:08:34,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 02:08:34,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2025-03-15 02:08:34,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604505042] [2025-03-15 02:08:34,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:08:34,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 02:08:34,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:08:34,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 02:08:34,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2025-03-15 02:08:34,829 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 164 [2025-03-15 02:08:34,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 954 places, 9160 transitions, 475595 flow. Second operand has 10 states, 10 states have (on average 73.1) internal successors, (731), 10 states have internal predecessors, (731), 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 02:08:34,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:08:34,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 164 [2025-03-15 02:08:34,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 02:08:39,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:08:39,118 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:08:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-15 02:08:39,120 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 17 remaining) [2025-03-15 02:08:39,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-15 02:08:39,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-15 02:08:39,321 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). [2025-03-15 02:08:39,322 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 17 remaining) [2025-03-15 02:08:39,322 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 17 remaining) [2025-03-15 02:08:39,323 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 17 remaining) [2025-03-15 02:08:39,323 INFO L422 BasicCegarLoop]: Path program histogram: [19, 11, 2, 2, 1, 1, 1, 1, 1, 1] [2025-03-15 02:08:39,327 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:08:39,327 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:08:39,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:08:39 BasicIcfg [2025-03-15 02:08:39,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:08:39,334 INFO L158 Benchmark]: Toolchain (without parser) took 819873.29ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 43.1MB in the beginning and 737.1MB in the end (delta: -694.1MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2025-03-15 02:08:39,334 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:08:39,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.91ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 37.8MB in the end (delta: 5.1MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2025-03-15 02:08:39,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.21ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 35.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:08:39,335 INFO L158 Benchmark]: Boogie Preprocessor took 31.90ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 33.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:08:39,335 INFO L158 Benchmark]: RCFGBuilder took 422.10ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 38.4MB in the end (delta: -5.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2025-03-15 02:08:39,335 INFO L158 Benchmark]: TraceAbstraction took 818963.76ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 37.4MB in the beginning and 737.1MB in the end (delta: -699.8MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2025-03-15 02:08:39,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 400.91ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 37.8MB in the end (delta: 5.1MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.21ms. Allocated memory is still 71.3MB. Free memory was 37.8MB in the beginning and 35.2MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 31.90ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 33.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 422.10ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 38.4MB in the end (delta: -5.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * TraceAbstraction took 818963.76ms. Allocated memory was 71.3MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 37.4MB in the beginning and 737.1MB in the end (delta: -699.8MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 932]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 932]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 939]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 939]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 937]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 937]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 936]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 923]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 928]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - TimeoutResultAtElement [Line: 928]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (10states, 65/164 universal loopers) in iteration 40,while PetriNetUnfolder was constructing finite prefix that currently has 57176 conditions, 2401 events (852/2400 cut-off events. For 267944/267974 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 20611 event pairs, 10 based on Foata normal form. 14/2696 useless extension candidates. Maximal degree in co-relation 54241. Up to 925 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 195 locations, 17 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: 818.9s, OverallIterations: 40, TraceHistogramMax: 10, PathProgramHistogramMax: 19, EmptinessCheckTime: 0.0s, AutomataDifference: 802.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7481 SdHoareTripleChecker+Valid, 13.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7481 mSDsluCounter, 13862 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11347 mSDsCounter, 320 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29918 IncrementalHoareTripleChecker+Invalid, 30238 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 320 mSolverCounterUnsat, 2515 mSDtfsCounter, 29918 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2598 GetRequests, 1541 SyntacticMatches, 11 SemanticMatches, 1046 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11084 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=475595occurred in iteration=39, InterpolantAutomatonStates: 855, 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: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 7371 NumberOfCodeBlocks, 6321 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 7671 ConstructedInterpolants, 0 QuantifiedInterpolants, 39611 SizeOfPredicates, 70 NumberOfNonLiveVariables, 2419 ConjunctsInSsa, 144 ConjunctsInUnsatCore, 52 InterpolantComputations, 37 PerfectInterpolantSequences, 11109/11763 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown