/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/09-regions_21-arrayloop2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:58:32,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:58:32,286 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 01:58:32,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:58:32,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:58:32,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:58:32,311 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:58:32,312 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:58:32,312 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:58:32,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:58:32,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:58:32,313 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:58:32,313 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:58:32,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:58:32,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:58:32,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:32,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:58:32,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:58:32,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:58:32,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:58:32,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:58:32,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:58:32,315 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 01:58:32,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:58:32,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:58:32,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:58:32,565 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:58:32,565 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:58:32,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_21-arrayloop2_nr.i [2025-03-15 01:58:33,737 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2187b84/7afc8e7f21fd46e5b9368a398e47f446/FLAGd5cdb2853 [2025-03-15 01:58:33,981 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:58:33,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_21-arrayloop2_nr.i [2025-03-15 01:58:33,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2187b84/7afc8e7f21fd46e5b9368a398e47f446/FLAGd5cdb2853 [2025-03-15 01:58:34,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a2187b84/7afc8e7f21fd46e5b9368a398e47f446 [2025-03-15 01:58:34,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:58:34,020 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:58:34,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:34,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:58:34,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:58:34,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e93be8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34, skipping insertion in model container [2025-03-15 01:58:34,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:58:34,387 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,388 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,389 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,389 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:34,442 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:58:34,473 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,473 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,473 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,473 WARN L1702 CHandler]: Possible shadowing of function new [2025-03-15 01:58:34,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:58:34,532 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:58:34,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34 WrapperNode [2025-03-15 01:58:34,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:58:34,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:34,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:58:34,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:58:34,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,573 INFO L138 Inliner]: procedures = 273, calls = 95, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2025-03-15 01:58:34,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:58:34,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:58:34,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:58:34,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:58:34,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,585 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:58:34,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:58:34,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:58:34,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:58:34,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (1/1) ... [2025-03-15 01:58:34,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:58:34,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:34,636 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 01:58:34,641 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 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure f [2025-03-15 01:58:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2025-03-15 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-15 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:58:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:58:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:58:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:58:34,657 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 01:58:34,759 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:58:34,761 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:58:35,074 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:58:35,074 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:58:35,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:58:35,098 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:58:35,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:35 BoogieIcfgContainer [2025-03-15 01:58:35,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:58:35,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:58:35,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:58:35,103 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:58:35,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:58:34" (1/3) ... [2025-03-15 01:58:35,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b67d85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:35, skipping insertion in model container [2025-03-15 01:58:35,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:58:34" (2/3) ... [2025-03-15 01:58:35,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b67d85f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:58:35, skipping insertion in model container [2025-03-15 01:58:35,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:58:35" (3/3) ... [2025-03-15 01:58:35,105 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_21-arrayloop2_nr.i [2025-03-15 01:58:35,117 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:58:35,118 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_21-arrayloop2_nr.i that has 2 procedures, 207 locations, 1 initial locations, 4 loop locations, and 10 error locations. [2025-03-15 01:58:35,119 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:58:35,198 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:58:35,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:58:35,254 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;@572dd944, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:58:35,254 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:58:35,295 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:58:35,295 INFO L124 PetriNetUnfolderBase]: 0/108 cut-off events. [2025-03-15 01:58:35,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:58:35,298 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:35,299 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 01:58:35,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:35,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:35,303 INFO L85 PathProgramCache]: Analyzing trace with hash -58638299, now seen corresponding path program 1 times [2025-03-15 01:58:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864026346] [2025-03-15 01:58:35,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-15 01:58:35,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [56101876] [2025-03-15 01:58:35,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:35,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:35,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:35,444 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 01:58:35,446 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 01:58:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:35,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-15 01:58:35,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:35,608 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 01:58:35,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:58:35,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:35,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864026346] [2025-03-15 01:58:35,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-15 01:58:35,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56101876] [2025-03-15 01:58:35,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56101876] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:35,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:35,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:58:35,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505266093] [2025-03-15 01:58:35,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:35,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:58:35,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:35,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:58:35,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:58:35,645 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 262 [2025-03-15 01:58:35,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 262 transitions, 532 flow. Second operand has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 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 01:58:35,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:35,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 262 [2025-03-15 01:58:35,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:35,822 INFO L124 PetriNetUnfolderBase]: 29/460 cut-off events. [2025-03-15 01:58:35,823 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 01:58:35,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 535 conditions, 460 events. 29/460 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1638 event pairs, 18 based on Foata normal form. 9/419 useless extension candidates. Maximal degree in co-relation 296. Up to 55 conditions per place. [2025-03-15 01:58:35,831 INFO L140 encePairwiseOnDemand]: 255/262 looper letters, 29 selfloop transitions, 2 changer transitions 0/267 dead transitions. [2025-03-15 01:58:35,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 267 transitions, 602 flow [2025-03-15 01:58:35,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:58:35,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:58:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 750 transitions. [2025-03-15 01:58:35,845 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9541984732824428 [2025-03-15 01:58:35,850 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 0 predicate places. [2025-03-15 01:58:35,850 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 267 transitions, 602 flow [2025-03-15 01:58:35,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.0) internal successors, (720), 3 states have internal predecessors, (720), 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 01:58:35,851 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:35,852 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:35,858 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 01:58:36,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-15 01:58:36,053 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:36,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:36,054 INFO L85 PathProgramCache]: Analyzing trace with hash -516734015, now seen corresponding path program 1 times [2025-03-15 01:58:36,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:36,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989299208] [2025-03-15 01:58:36,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:36,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:36,259 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 01:58:36,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:36,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989299208] [2025-03-15 01:58:36,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989299208] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:36,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:36,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:36,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192236082] [2025-03-15 01:58:36,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:36,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:58:36,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:36,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:58:36,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:58:36,263 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 262 [2025-03-15 01:58:36,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 267 transitions, 602 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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 01:58:36,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:36,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 262 [2025-03-15 01:58:36,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:36,371 INFO L124 PetriNetUnfolderBase]: 29/542 cut-off events. [2025-03-15 01:58:36,371 INFO L125 PetriNetUnfolderBase]: For 29/49 co-relation queries the response was YES. [2025-03-15 01:58:36,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 542 events. 29/542 cut-off events. For 29/49 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1711 event pairs, 18 based on Foata normal form. 0/488 useless extension candidates. Maximal degree in co-relation 417. Up to 61 conditions per place. [2025-03-15 01:58:36,374 INFO L140 encePairwiseOnDemand]: 257/262 looper letters, 29 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2025-03-15 01:58:36,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 276 transitions, 694 flow [2025-03-15 01:58:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:58:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:58:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 751 transitions. [2025-03-15 01:58:36,375 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.955470737913486 [2025-03-15 01:58:36,376 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 2 predicate places. [2025-03-15 01:58:36,376 INFO L471 AbstractCegarLoop]: Abstraction has has 263 places, 276 transitions, 694 flow [2025-03-15 01:58:36,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 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 01:58:36,376 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:36,376 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:36,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:58:36,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:36,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:36,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1781323768, now seen corresponding path program 1 times [2025-03-15 01:58:36,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:36,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949363820] [2025-03-15 01:58:36,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:36,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:36,606 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 01:58:36,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:36,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949363820] [2025-03-15 01:58:36,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949363820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:36,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:36,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:36,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596297961] [2025-03-15 01:58:36,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:36,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:36,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:36,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:36,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:36,609 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:36,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 263 places, 276 transitions, 694 flow. Second operand has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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 01:58:36,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:36,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:36,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:36,747 INFO L124 PetriNetUnfolderBase]: 29/540 cut-off events. [2025-03-15 01:58:36,747 INFO L125 PetriNetUnfolderBase]: For 83/123 co-relation queries the response was YES. [2025-03-15 01:58:36,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 785 conditions, 540 events. 29/540 cut-off events. For 83/123 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1730 event pairs, 18 based on Foata normal form. 0/490 useless extension candidates. Maximal degree in co-relation 467. Up to 71 conditions per place. [2025-03-15 01:58:36,750 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 35 selfloop transitions, 4 changer transitions 0/279 dead transitions. [2025-03-15 01:58:36,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 279 transitions, 778 flow [2025-03-15 01:58:36,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:36,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1215 transitions. [2025-03-15 01:58:36,753 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9274809160305344 [2025-03-15 01:58:36,754 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 6 predicate places. [2025-03-15 01:58:36,754 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 279 transitions, 778 flow [2025-03-15 01:58:36,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 238.0) internal successors, (952), 4 states have internal predecessors, (952), 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 01:58:36,754 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:36,755 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:36,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:58:36,755 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:36,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1100805746, now seen corresponding path program 1 times [2025-03-15 01:58:36,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:36,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711815878] [2025-03-15 01:58:36,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:36,939 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 01:58:36,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:36,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711815878] [2025-03-15 01:58:36,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711815878] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:36,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087497014] [2025-03-15 01:58:36,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:36,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:36,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:36,943 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 01:58:36,944 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 01:58:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:37,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 01:58:37,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:37,143 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 01:58:37,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:37,228 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 01:58:37,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087497014] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:37,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:37,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-15 01:58:37,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093626365] [2025-03-15 01:58:37,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:37,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-15 01:58:37,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:37,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-15 01:58:37,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-15 01:58:37,234 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:37,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 279 transitions, 778 flow. Second operand has 10 states, 10 states have (on average 239.3) internal successors, (2393), 10 states have internal predecessors, (2393), 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 01:58:37,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:37,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:37,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:37,483 INFO L124 PetriNetUnfolderBase]: 29/626 cut-off events. [2025-03-15 01:58:37,484 INFO L125 PetriNetUnfolderBase]: For 172/232 co-relation queries the response was YES. [2025-03-15 01:58:37,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 626 events. 29/626 cut-off events. For 172/232 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1470 event pairs, 18 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 679. Up to 95 conditions per place. [2025-03-15 01:58:37,490 INFO L140 encePairwiseOnDemand]: 254/262 looper letters, 44 selfloop transitions, 11 changer transitions 0/295 dead transitions. [2025-03-15 01:58:37,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 277 places, 295 transitions, 992 flow [2025-03-15 01:58:37,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:58:37,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:58:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2645 transitions. [2025-03-15 01:58:37,496 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.917765440666204 [2025-03-15 01:58:37,496 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 16 predicate places. [2025-03-15 01:58:37,496 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 295 transitions, 992 flow [2025-03-15 01:58:37,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 239.3) internal successors, (2393), 10 states have internal predecessors, (2393), 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 01:58:37,497 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:37,498 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:37,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-15 01:58:37,702 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 01:58:37,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:37,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:37,703 INFO L85 PathProgramCache]: Analyzing trace with hash -734527641, now seen corresponding path program 1 times [2025-03-15 01:58:37,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:37,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20256077] [2025-03-15 01:58:37,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:37,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:37,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20256077] [2025-03-15 01:58:37,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20256077] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:37,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909138851] [2025-03-15 01:58:37,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:37,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:37,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:37,978 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 01:58:37,980 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 01:58:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:38,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:58:38,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:38,249 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:58:38,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909138851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:38,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:58:38,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:58:38,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735864677] [2025-03-15 01:58:38,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:38,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:58:38,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:38,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:58:38,250 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:58:38,252 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:38,253 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 295 transitions, 992 flow. Second operand has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 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 01:58:38,254 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:38,254 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:38,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:38,405 INFO L124 PetriNetUnfolderBase]: 29/622 cut-off events. [2025-03-15 01:58:38,405 INFO L125 PetriNetUnfolderBase]: For 290/370 co-relation queries the response was YES. [2025-03-15 01:58:38,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1131 conditions, 622 events. 29/622 cut-off events. For 290/370 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1462 event pairs, 18 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 739. Up to 91 conditions per place. [2025-03-15 01:58:38,409 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 44 selfloop transitions, 9 changer transitions 0/293 dead transitions. [2025-03-15 01:58:38,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 293 transitions, 1086 flow [2025-03-15 01:58:38,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:58:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:58:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1685 transitions. [2025-03-15 01:58:38,412 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9187568157033806 [2025-03-15 01:58:38,413 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 19 predicate places. [2025-03-15 01:58:38,413 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 293 transitions, 1086 flow [2025-03-15 01:58:38,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 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 01:58:38,414 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:38,414 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:38,421 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 01:58:38,614 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 01:58:38,615 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:38,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1897312439, now seen corresponding path program 1 times [2025-03-15 01:58:38,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:38,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066098714] [2025-03-15 01:58:38,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-03-15 01:58:38,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:38,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066098714] [2025-03-15 01:58:38,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066098714] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:38,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:38,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:38,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257145506] [2025-03-15 01:58:38,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:38,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:38,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:38,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:38,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:38,776 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:38,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 293 transitions, 1086 flow. Second operand has 4 states, 4 states have (on average 240.5) internal successors, (962), 4 states have internal predecessors, (962), 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 01:58:38,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:38,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:38,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:38,874 INFO L124 PetriNetUnfolderBase]: 29/620 cut-off events. [2025-03-15 01:58:38,874 INFO L125 PetriNetUnfolderBase]: For 439/539 co-relation queries the response was YES. [2025-03-15 01:58:38,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1230 conditions, 620 events. 29/620 cut-off events. For 439/539 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1440 event pairs, 18 based on Foata normal form. 0/572 useless extension candidates. Maximal degree in co-relation 801. Up to 89 conditions per place. [2025-03-15 01:58:38,879 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 39 selfloop transitions, 13 changer transitions 0/292 dead transitions. [2025-03-15 01:58:38,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 292 transitions, 1182 flow [2025-03-15 01:58:38,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1204 transitions. [2025-03-15 01:58:38,883 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9190839694656489 [2025-03-15 01:58:38,885 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 22 predicate places. [2025-03-15 01:58:38,885 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 292 transitions, 1182 flow [2025-03-15 01:58:38,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 240.5) internal successors, (962), 4 states have internal predecessors, (962), 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 01:58:38,886 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:38,886 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2025-03-15 01:58:38,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:58:38,886 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:38,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:38,887 INFO L85 PathProgramCache]: Analyzing trace with hash 365202644, now seen corresponding path program 2 times [2025-03-15 01:58:38,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:38,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196240076] [2025-03-15 01:58:38,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:38,924 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:38,924 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-03-15 01:58:38,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:38,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196240076] [2025-03-15 01:58:38,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196240076] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:38,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:38,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:58:38,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326183424] [2025-03-15 01:58:38,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:38,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:58:38,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:38,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:58:38,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:58:38,973 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 262 [2025-03-15 01:58:38,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 292 transitions, 1182 flow. Second operand has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 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 01:58:38,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:38,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 262 [2025-03-15 01:58:38,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:39,101 INFO L124 PetriNetUnfolderBase]: 29/619 cut-off events. [2025-03-15 01:58:39,101 INFO L125 PetriNetUnfolderBase]: For 596/716 co-relation queries the response was YES. [2025-03-15 01:58:39,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1319 conditions, 619 events. 29/619 cut-off events. For 596/716 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1438 event pairs, 18 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 853. Up to 89 conditions per place. [2025-03-15 01:58:39,104 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 49 selfloop transitions, 4 changer transitions 0/295 dead transitions. [2025-03-15 01:58:39,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 295 transitions, 1294 flow [2025-03-15 01:58:39,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:58:39,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:58:39,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1206 transitions. [2025-03-15 01:58:39,107 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9206106870229007 [2025-03-15 01:58:39,107 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 26 predicate places. [2025-03-15 01:58:39,107 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 295 transitions, 1294 flow [2025-03-15 01:58:39,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 235.75) internal successors, (943), 4 states have internal predecessors, (943), 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 01:58:39,108 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:39,108 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:39,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:58:39,108 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:39,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:39,109 INFO L85 PathProgramCache]: Analyzing trace with hash 990872383, now seen corresponding path program 1 times [2025-03-15 01:58:39,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:39,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698969645] [2025-03-15 01:58:39,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:39,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:39,391 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-03-15 01:58:39,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:39,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698969645] [2025-03-15 01:58:39,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698969645] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:39,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399080460] [2025-03-15 01:58:39,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:39,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:39,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:39,393 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 01:58:39,395 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 01:58:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:39,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-15 01:58:39,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:39,765 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:39,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 1 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:58:39,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399080460] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:39,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:39,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2025-03-15 01:58:39,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087390695] [2025-03-15 01:58:39,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:39,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-15 01:58:39,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:39,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-15 01:58:39,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2025-03-15 01:58:39,980 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2025-03-15 01:58:39,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 295 transitions, 1294 flow. Second operand has 19 states, 19 states have (on average 227.3684210526316) internal successors, (4320), 19 states have internal predecessors, (4320), 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 01:58:39,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:39,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2025-03-15 01:58:39,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:41,035 INFO L124 PetriNetUnfolderBase]: 34/1258 cut-off events. [2025-03-15 01:58:41,036 INFO L125 PetriNetUnfolderBase]: For 1106/1246 co-relation queries the response was YES. [2025-03-15 01:58:41,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3199 conditions, 1258 events. 34/1258 cut-off events. For 1106/1246 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1466 event pairs, 18 based on Foata normal form. 0/1189 useless extension candidates. Maximal degree in co-relation 2696. Up to 239 conditions per place. [2025-03-15 01:58:41,041 INFO L140 encePairwiseOnDemand]: 250/262 looper letters, 210 selfloop transitions, 74 changer transitions 0/504 dead transitions. [2025-03-15 01:58:41,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 504 transitions, 4346 flow [2025-03-15 01:58:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-03-15 01:58:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2025-03-15 01:58:41,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 14283 transitions. [2025-03-15 01:58:41,071 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8653217011995638 [2025-03-15 01:58:41,073 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 88 predicate places. [2025-03-15 01:58:41,073 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 504 transitions, 4346 flow [2025-03-15 01:58:41,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 227.3684210526316) internal successors, (4320), 19 states have internal predecessors, (4320), 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 01:58:41,077 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:41,077 INFO L221 CegarLoopForPetriNet]: trace histogram [9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:41,085 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 01:58:41,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:41,278 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:41,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2002456542, now seen corresponding path program 1 times [2025-03-15 01:58:41,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:41,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362950025] [2025-03-15 01:58:41,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 306 proven. 847 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:42,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362950025] [2025-03-15 01:58:42,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362950025] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141043494] [2025-03-15 01:58:42,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:42,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:42,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:42,152 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 01:58:42,154 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 01:58:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:42,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-15 01:58:42,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 306 proven. 847 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:42,796 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 306 proven. 847 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141043494] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:43,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-15 01:58:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193271858] [2025-03-15 01:58:43,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-03-15 01:58:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:43,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-03-15 01:58:43,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2025-03-15 01:58:43,264 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:43,269 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 504 transitions, 4346 flow. Second operand has 34 states, 34 states have (on average 240.47058823529412) internal successors, (8176), 34 states have internal predecessors, (8176), 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 01:58:43,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:43,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:43,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:44,418 INFO L124 PetriNetUnfolderBase]: 30/2250 cut-off events. [2025-03-15 01:58:44,419 INFO L125 PetriNetUnfolderBase]: For 2033/2193 co-relation queries the response was YES. [2025-03-15 01:58:44,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6401 conditions, 2250 events. 30/2250 cut-off events. For 2033/2193 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1530 event pairs, 18 based on Foata normal form. 0/2149 useless extension candidates. Maximal degree in co-relation 5861. Up to 487 conditions per place. [2025-03-15 01:58:44,425 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 346 selfloop transitions, 135 changer transitions 0/752 dead transitions. [2025-03-15 01:58:44,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 752 transitions, 9052 flow [2025-03-15 01:58:44,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-03-15 01:58:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2025-03-15 01:58:44,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 10803 transitions. [2025-03-15 01:58:44,431 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9162849872773536 [2025-03-15 01:58:44,431 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 132 predicate places. [2025-03-15 01:58:44,431 INFO L471 AbstractCegarLoop]: Abstraction has has 393 places, 752 transitions, 9052 flow [2025-03-15 01:58:44,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 240.47058823529412) internal successors, (8176), 34 states have internal predecessors, (8176), 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 01:58:44,433 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:44,434 INFO L221 CegarLoopForPetriNet]: trace histogram [17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:44,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-15 01:58:44,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:44,638 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:44,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:44,639 INFO L85 PathProgramCache]: Analyzing trace with hash -822418022, now seen corresponding path program 2 times [2025-03-15 01:58:44,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:44,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151761530] [2025-03-15 01:58:44,640 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:44,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:44,850 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:58:44,851 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4859 backedges. 642 proven. 4215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:46,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151761530] [2025-03-15 01:58:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151761530] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:58:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968399175] [2025-03-15 01:58:46,941 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:46,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:46,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:58:46,943 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 01:58:46,944 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 01:58:47,465 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:58:47,465 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:47,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 2950 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-15 01:58:47,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:58:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 4859 backedges. 642 proven. 4215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:47,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:58:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 4859 backedges. 642 proven. 4215 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-15 01:58:48,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968399175] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:58:48,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:58:48,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 63 [2025-03-15 01:58:48,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942310176] [2025-03-15 01:58:48,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:58:48,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-03-15 01:58:48,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:48,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-03-15 01:58:48,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1023, Invalid=2883, Unknown=0, NotChecked=0, Total=3906 [2025-03-15 01:58:48,955 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 236 out of 262 [2025-03-15 01:58:48,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 393 places, 752 transitions, 9052 flow. Second operand has 63 states, 63 states have (on average 240.55555555555554) internal successors, (15155), 63 states have internal predecessors, (15155), 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 01:58:48,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:48,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 236 of 262 [2025-03-15 01:58:48,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:52,383 INFO L124 PetriNetUnfolderBase]: 30/4110 cut-off events. [2025-03-15 01:58:52,383 INFO L125 PetriNetUnfolderBase]: For 4015/4195 co-relation queries the response was YES. [2025-03-15 01:58:52,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12885 conditions, 4110 events. 30/4110 cut-off events. For 4015/4195 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1596 event pairs, 18 based on Foata normal form. 0/3949 useless extension candidates. Maximal degree in co-relation 12308. Up to 952 conditions per place. [2025-03-15 01:58:52,394 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 676 selfloop transitions, 270 changer transitions 0/1217 dead transitions. [2025-03-15 01:58:52,394 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 482 places, 1217 transitions, 18894 flow [2025-03-15 01:58:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-03-15 01:58:52,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2025-03-15 01:58:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 21595 transitions. [2025-03-15 01:58:52,405 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9158184902459712 [2025-03-15 01:58:52,405 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 221 predicate places. [2025-03-15 01:58:52,405 INFO L471 AbstractCegarLoop]: Abstraction has has 482 places, 1217 transitions, 18894 flow [2025-03-15 01:58:52,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 240.55555555555554) internal successors, (15155), 63 states have internal predecessors, (15155), 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 01:58:52,411 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:52,411 INFO L221 CegarLoopForPetriNet]: trace histogram [32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:58:52,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-15 01:58:52,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:58:52,612 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:58:52,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1191665755, now seen corresponding path program 3 times [2025-03-15 01:58:52,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:52,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289025925] [2025-03-15 01:58:52,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:41,675 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 32 check-sat command(s) [2025-03-15 01:59:41,675 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2025-03-15 01:59:41,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1577835452] [2025-03-15 01:59:41,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:59:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:59:41,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:59:41,710 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 01:59:41,711 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 01:59:42,218 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-15 01:59:42,219 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:42,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-15 01:59:42,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:59:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 18704 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 17430 trivial. 0 not checked. [2025-03-15 01:59:43,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:59:43,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289025925] [2025-03-15 01:59:43,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-15 01:59:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577835452] [2025-03-15 01:59:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577835452] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:43,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:43,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-15 01:59:43,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504161728] [2025-03-15 01:59:43,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:43,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 01:59:43,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:43,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 01:59:43,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:59:43,147 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 222 out of 262 [2025-03-15 01:59:43,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 482 places, 1217 transitions, 18894 flow. Second operand has 9 states, 9 states have (on average 226.33333333333334) internal successors, (2037), 9 states have internal predecessors, (2037), 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 01:59:43,153 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:43,153 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 222 of 262 [2025-03-15 01:59:43,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:45,019 INFO L124 PetriNetUnfolderBase]: 30/4050 cut-off events. [2025-03-15 01:59:45,019 INFO L125 PetriNetUnfolderBase]: For 5249/5449 co-relation queries the response was YES. [2025-03-15 01:59:45,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13280 conditions, 4050 events. 30/4050 cut-off events. For 5249/5449 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1520 event pairs, 18 based on Foata normal form. 0/3949 useless extension candidates. Maximal degree in co-relation 12666. Up to 894 conditions per place. [2025-03-15 01:59:45,032 INFO L140 encePairwiseOnDemand]: 249/262 looper letters, 685 selfloop transitions, 252 changer transitions 0/1157 dead transitions. [2025-03-15 01:59:45,032 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 491 places, 1157 transitions, 19480 flow [2025-03-15 01:59:45,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-15 01:59:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-15 01:59:45,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 2729 transitions. [2025-03-15 01:59:45,034 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8680025445292621 [2025-03-15 01:59:45,034 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 230 predicate places. [2025-03-15 01:59:45,034 INFO L471 AbstractCegarLoop]: Abstraction has has 491 places, 1157 transitions, 19480 flow [2025-03-15 01:59:45,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 226.33333333333334) internal successors, (2037), 9 states have internal predecessors, (2037), 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 01:59:45,035 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:45,036 INFO L221 CegarLoopForPetriNet]: trace histogram [32, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:59:45,044 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 01:59:45,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:59:45,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:59:45,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:45,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1713066823, now seen corresponding path program 1 times [2025-03-15 01:59:45,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:45,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831196134] [2025-03-15 01:59:45,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:59:45,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:43,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-15 02:00:43,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2063847978] [2025-03-15 02:00:43,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:00:43,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:00:43,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:00:43,873 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 02:00:43,874 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 02:00:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:00:53,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 5441 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-15 02:00:53,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:00:53,473 INFO L134 CoverageAnalysis]: Checked inductivity of 18735 backedges. 1304 proven. 0 refuted. 0 times theorem prover too weak. 17431 trivial. 0 not checked. [2025-03-15 02:00:53,474 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 02:00:53,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:53,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831196134] [2025-03-15 02:00:53,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-15 02:00:53,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2063847978] [2025-03-15 02:00:53,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2063847978] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:53,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:53,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 02:00:53,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126384073] [2025-03-15 02:00:53,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:53,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 02:00:53,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:53,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 02:00:53,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-15 02:00:53,476 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 262 [2025-03-15 02:00:53,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 491 places, 1157 transitions, 19480 flow. Second operand has 7 states, 7 states have (on average 232.28571428571428) internal successors, (1626), 7 states have internal predecessors, (1626), 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 02:00:53,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:53,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 262 [2025-03-15 02:00:53,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:55,501 INFO L124 PetriNetUnfolderBase]: 30/3992 cut-off events. [2025-03-15 02:00:55,502 INFO L125 PetriNetUnfolderBase]: For 6695/6915 co-relation queries the response was YES. [2025-03-15 02:00:55,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13555 conditions, 3992 events. 30/3992 cut-off events. For 6695/6915 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1418 event pairs, 18 based on Foata normal form. 0/3949 useless extension candidates. Maximal degree in co-relation 12904. Up to 836 conditions per place. [2025-03-15 02:00:55,516 INFO L140 encePairwiseOnDemand]: 252/262 looper letters, 497 selfloop transitions, 372 changer transitions 0/1099 dead transitions. [2025-03-15 02:00:55,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 498 places, 1099 transitions, 19826 flow [2025-03-15 02:00:55,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 02:00:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 02:00:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2083 transitions. [2025-03-15 02:00:55,517 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8833757421543681 [2025-03-15 02:00:55,518 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 237 predicate places. [2025-03-15 02:00:55,518 INFO L471 AbstractCegarLoop]: Abstraction has has 498 places, 1099 transitions, 19826 flow [2025-03-15 02:00:55,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 232.28571428571428) internal successors, (1626), 7 states have internal predecessors, (1626), 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 02:00:55,518 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:55,519 INFO L221 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:00:55,600 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 02:00:55,719 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,SelfDestructingSolverStorable11 [2025-03-15 02:00:55,719 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 02:00:55,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:55,724 INFO L85 PathProgramCache]: Analyzing trace with hash -755725985, now seen corresponding path program 1 times [2025-03-15 02:00:55,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:55,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803919557] [2025-03-15 02:00:55,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:00:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:00:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 70935 backedges. 36074 proven. 0 refuted. 0 times theorem prover too weak. 34861 trivial. 0 not checked. [2025-03-15 02:00:58,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:58,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803919557] [2025-03-15 02:00:58,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803919557] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:58,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:58,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:00:58,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618372796] [2025-03-15 02:00:58,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:58,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:00:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:58,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:00:58,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:00:58,077 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 262 [2025-03-15 02:00:58,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 498 places, 1099 transitions, 19826 flow. Second operand has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:00:58,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:58,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 262 [2025-03-15 02:00:58,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:00,290 INFO L124 PetriNetUnfolderBase]: 30/3990 cut-off events. [2025-03-15 02:01:00,290 INFO L125 PetriNetUnfolderBase]: For 7629/7869 co-relation queries the response was YES. [2025-03-15 02:01:00,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13974 conditions, 3990 events. 30/3990 cut-off events. For 7629/7869 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1433 event pairs, 18 based on Foata normal form. 0/3949 useless extension candidates. Maximal degree in co-relation 13286. Up to 836 conditions per place. [2025-03-15 02:01:00,298 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 314 selfloop transitions, 11 changer transitions 0/1097 dead transitions. [2025-03-15 02:01:00,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 501 places, 1097 transitions, 20460 flow [2025-03-15 02:01:00,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 02:01:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 02:01:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1190 transitions. [2025-03-15 02:01:00,300 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9083969465648855 [2025-03-15 02:01:00,300 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 240 predicate places. [2025-03-15 02:01:00,300 INFO L471 AbstractCegarLoop]: Abstraction has has 501 places, 1097 transitions, 20460 flow [2025-03-15 02:01:00,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 239.0) internal successors, (956), 4 states have internal predecessors, (956), 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 02:01:00,300 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:00,301 INFO L221 CegarLoopForPetriNet]: trace histogram [60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 60, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:00,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 02:01:00,301 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 02:01:00,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:00,304 INFO L85 PathProgramCache]: Analyzing trace with hash 690787055, now seen corresponding path program 2 times [2025-03-15 02:01:00,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:00,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496991056] [2025-03-15 02:01:00,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:01:00,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:00,796 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 02:01:00,796 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:04,468 INFO L134 CoverageAnalysis]: Checked inductivity of 70939 backedges. 0 proven. 36079 refuted. 0 times theorem prover too weak. 34860 trivial. 0 not checked. [2025-03-15 02:01:04,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:04,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496991056] [2025-03-15 02:01:04,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496991056] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 02:01:04,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375515428] [2025-03-15 02:01:04,469 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:01:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:01:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:01:04,470 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 02:01:04,472 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 02:01:06,522 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 02:01:06,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:06,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 10327 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-15 02:01:06,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:01:08,378 INFO L134 CoverageAnalysis]: Checked inductivity of 70939 backedges. 0 proven. 36079 refuted. 0 times theorem prover too weak. 34860 trivial. 0 not checked. [2025-03-15 02:01:08,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 02:01:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 70939 backedges. 0 proven. 36079 refuted. 0 times theorem prover too weak. 34860 trivial. 0 not checked. [2025-03-15 02:01:10,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375515428] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 02:01:10,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 02:01:10,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-03-15 02:01:10,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221961922] [2025-03-15 02:01:10,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 02:01:10,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 02:01:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:10,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 02:01:10,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-15 02:01:10,165 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 262 [2025-03-15 02:01:10,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 1097 transitions, 20460 flow. Second operand has 14 states, 14 states have (on average 237.85714285714286) internal successors, (3330), 14 states have internal predecessors, (3330), 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 02:01:10,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:10,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 262 [2025-03-15 02:01:10,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:17,307 INFO L124 PetriNetUnfolderBase]: 32/6428 cut-off events. [2025-03-15 02:01:17,307 INFO L125 PetriNetUnfolderBase]: For 13194/13454 co-relation queries the response was YES. [2025-03-15 02:01:17,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23391 conditions, 6428 events. 32/6428 cut-off events. For 13194/13454 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1064 event pairs, 18 based on Foata normal form. 0/6385 useless extension candidates. Maximal degree in co-relation 22666. Up to 1366 conditions per place. [2025-03-15 02:01:17,319 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 522 selfloop transitions, 15 changer transitions 0/1309 dead transitions. [2025-03-15 02:01:17,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 1309 transitions, 26994 flow [2025-03-15 02:01:17,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 02:01:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 02:01:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 3570 transitions. [2025-03-15 02:01:17,321 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9083969465648855 [2025-03-15 02:01:17,322 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 254 predicate places. [2025-03-15 02:01:17,322 INFO L471 AbstractCegarLoop]: Abstraction has has 515 places, 1309 transitions, 26994 flow [2025-03-15 02:01:17,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 237.85714285714286) internal successors, (3330), 14 states have internal predecessors, (3330), 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 02:01:17,323 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:17,324 INFO L221 CegarLoopForPetriNet]: trace histogram [150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 150, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:17,358 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 02:01:17,528 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,SelfDestructingSolverStorable13 [2025-03-15 02:01:17,528 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 02:01:17,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:17,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1258702230, now seen corresponding path program 3 times [2025-03-15 02:01:17,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:17,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078764393] [2025-03-15 02:01:17,538 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:01:17,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:18,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-15 02:01:18,282 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 447925 backedges. 0 proven. 360775 refuted. 0 times theorem prover too weak. 87150 trivial. 0 not checked. [2025-03-15 02:01:19,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078764393] [2025-03-15 02:01:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078764393] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 02:01:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725539582] [2025-03-15 02:01:19,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:01:19,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:01:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:01:19,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 02:01:19,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-15 02:09:58,969 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-03-15 02:09:58,970 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:09:59,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 2180 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-15 02:09:59,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:10:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 447925 backedges. 0 proven. 360775 refuted. 0 times theorem prover too weak. 87150 trivial. 0 not checked. [2025-03-15 02:10:03,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 02:10:07,157 INFO L134 CoverageAnalysis]: Checked inductivity of 447925 backedges. 0 proven. 360775 refuted. 0 times theorem prover too weak. 87150 trivial. 0 not checked. [2025-03-15 02:10:07,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725539582] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 02:10:07,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 02:10:07,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2025-03-15 02:10:07,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636511778] [2025-03-15 02:10:07,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 02:10:07,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-15 02:10:07,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:10:07,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-15 02:10:07,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-15 02:10:07,165 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 262 [2025-03-15 02:10:07,167 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 1309 transitions, 26994 flow. Second operand has 23 states, 23 states have (on average 238.56521739130434) internal successors, (5487), 23 states have internal predecessors, (5487), 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 02:10:07,167 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:10:07,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 262 [2025-03-15 02:10:07,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:10:37,963 INFO L124 PetriNetUnfolderBase]: 37/12518 cut-off events. [2025-03-15 02:10:37,964 INFO L125 PetriNetUnfolderBase]: For 27985/28265 co-relation queries the response was YES. [2025-03-15 02:10:37,970 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47156 conditions, 12518 events. 37/12518 cut-off events. For 27985/28265 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1077 event pairs, 18 based on Foata normal form. 0/12470 useless extension candidates. Maximal degree in co-relation 46394. Up to 2691 conditions per place. [2025-03-15 02:10:37,993 INFO L140 encePairwiseOnDemand]: 256/262 looper letters, 1032 selfloop transitions, 30 changer transitions 0/1834 dead transitions. [2025-03-15 02:10:37,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 1834 transitions, 43758 flow [2025-03-15 02:10:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-15 02:10:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2025-03-15 02:10:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 7127 transitions. [2025-03-15 02:10:37,997 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9067430025445292 [2025-03-15 02:10:37,997 INFO L298 CegarLoopForPetriNet]: 261 programPoint places, 283 predicate places. [2025-03-15 02:10:37,997 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 1834 transitions, 43758 flow [2025-03-15 02:10:37,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 238.56521739130434) internal successors, (5487), 23 states have internal predecessors, (5487), 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 02:10:37,999 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:10:38,001 INFO L221 CegarLoopForPetriNet]: trace histogram [300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 300, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:10:38,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-15 02:10:38,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-15 02:10:38,202 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 02:10:38,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:10:38,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1141510255, now seen corresponding path program 4 times [2025-03-15 02:10:38,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:10:38,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562432974] [2025-03-15 02:10:38,219 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:10:38,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2025-03-15 02:12:25,297 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 02:12:26,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2025-03-15 02:12:26,568 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:12:26,568 INFO L230 tOrderPrioritization]: Conjunction of SSA is unknown [2025-03-15 02:12:26,895 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 02:12:26,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 02:12:26,896 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 02:12:26,901 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 02:12:26,902 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location fErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 02:12:26,902 INFO L422 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:12:26,919 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:12:26,919 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:12:26,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:12:26 BasicIcfg [2025-03-15 02:12:26,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:12:26,925 INFO L158 Benchmark]: Toolchain (without parser) took 832906.25ms. Allocated memory was 71.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 43.1MB in the beginning and 696.6MB in the end (delta: -653.5MB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2025-03-15 02:12:26,925 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:12:26,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.44ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 35.6MB in the end (delta: 7.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. [2025-03-15 02:12:26,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.71ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 32.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:12:26,928 INFO L158 Benchmark]: Boogie Preprocessor took 37.47ms. Allocated memory is still 71.3MB. Free memory was 32.8MB in the beginning and 30.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:12:26,928 INFO L158 Benchmark]: RCFGBuilder took 485.93ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 30.6MB in the end (delta: 262.0kB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. [2025-03-15 02:12:26,928 INFO L158 Benchmark]: TraceAbstraction took 831824.64ms. Allocated memory was 71.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 29.5MB in the beginning and 696.6MB in the end (delta: -667.0MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2025-03-15 02:12:26,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 511.44ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 35.6MB in the end (delta: 7.3MB). Peak memory consumption was 26.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.71ms. Allocated memory is still 71.3MB. Free memory was 35.6MB in the beginning and 32.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 37.47ms. Allocated memory is still 71.3MB. Free memory was 32.8MB in the beginning and 30.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 485.93ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 30.6MB in the end (delta: 262.0kB). Peak memory consumption was 20.0MB. Max. memory is 8.0GB. * TraceAbstraction took 831824.64ms. Allocated memory was 71.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 29.5MB in the beginning and 696.6MB in the end (delta: -667.0MB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1038]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1038]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1044]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1047]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was analyzing trace of length 12281 with TraceHistMax 300,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [562432974] and IpTcStrategyModuleZ3 [1167505992]. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 305 locations, 20 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: 831.7s, OverallIterations: 16, TraceHistogramMax: 300, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 51.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1362 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1362 mSDsluCounter, 399 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 276 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2290 IncrementalHoareTripleChecker+Invalid, 2325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 123 mSDtfsCounter, 2290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23813 GetRequests, 23443 SyntacticMatches, 6 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6214 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43758occurred in iteration=15, InterpolantAutomatonStates: 308, 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: 2.3s SsaConstructionTime, 636.7s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 29648 NumberOfCodeBlocks, 17128 NumberOfCodeBlocksAsserted, 71 NumberOfCheckSat, 37127 ConstructedInterpolants, 0 QuantifiedInterpolants, 100720 SizeOfPredicates, 76 NumberOfNonLiveVariables, 25018 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 28 InterpolantComputations, 9 PerfectInterpolantSequences, 477661/1683696 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