/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:57:32,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:57:32,197 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 01:57:32,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:57:32,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:57:32,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:57:32,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:57:32,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:57:32,247 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:57:32,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:57:32,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:57:32,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:57:32,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:57:32,250 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:57:32,250 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:57:32,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:57:32,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:57:32,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:57:32,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:57:32,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:57:32,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:57:32,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:57:32,251 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 01:57:32,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:57:32,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:57:32,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:57:32,506 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:57:32,506 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:57:32,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2025-03-15 01:57:33,600 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299d21a9e/461df1e1dbfb42d0868cc7e98d3a8e4d/FLAGcad6e81d3 [2025-03-15 01:57:33,905 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:57:33,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2025-03-15 01:57:33,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299d21a9e/461df1e1dbfb42d0868cc7e98d3a8e4d/FLAGcad6e81d3 [2025-03-15 01:57:34,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/299d21a9e/461df1e1dbfb42d0868cc7e98d3a8e4d [2025-03-15 01:57:34,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:57:34,184 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:57:34,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:57:34,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:57:34,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:57:34,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d02a9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34, skipping insertion in model container [2025-03-15 01:57:34,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:57:34,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:57:34,392 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:57:34,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:57:34,455 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:57:34,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34 WrapperNode [2025-03-15 01:57:34,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:57:34,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:57:34,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:57:34,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:57:34,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,492 INFO L138 Inliner]: procedures = 186, calls = 12, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2025-03-15 01:57:34,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:57:34,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:57:34,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:57:34,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:57:34,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,503 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:57:34,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:57:34,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:57:34,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:57:34,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (1/1) ... [2025-03-15 01:57:34,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:57:34,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:57:34,535 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 01:57:34,538 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 01:57:34,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:57:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:57:34,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:57:34,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:57:34,558 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 01:57:34,650 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:57:34,651 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:57:34,775 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:57:34,775 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:57:34,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:57:34,794 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:57:34,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:57:34 BoogieIcfgContainer [2025-03-15 01:57:34,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:57:34,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:57:34,799 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:57:34,802 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:57:34,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:57:34" (1/3) ... [2025-03-15 01:57:34,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e1d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:57:34, skipping insertion in model container [2025-03-15 01:57:34,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:57:34" (2/3) ... [2025-03-15 01:57:34,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b3e1d74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:57:34, skipping insertion in model container [2025-03-15 01:57:34,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:57:34" (3/3) ... [2025-03-15 01:57:34,804 INFO L128 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2025-03-15 01:57:34,815 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:57:34,816 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 06-symbeq_15-list_entry_nr.i that has 2 procedures, 70 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:57:34,816 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:57:34,853 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:57:34,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:57:34,892 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;@41d0a7b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:57:34,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:57:34,926 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:57:34,927 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2025-03-15 01:57:34,929 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:57:34,929 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:34,929 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:34,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:34,934 INFO L85 PathProgramCache]: Analyzing trace with hash 830951705, now seen corresponding path program 1 times [2025-03-15 01:57:34,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:34,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679028912] [2025-03-15 01:57:34,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:57:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:35,870 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 01:57:35,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:35,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679028912] [2025-03-15 01:57:35,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679028912] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:35,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:35,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:35,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213450171] [2025-03-15 01:57:35,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:35,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:57:35,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:35,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:57:35,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:57:35,900 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 69 [2025-03-15 01:57:35,904 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 69 transitions, 142 flow. Second operand has 14 states, 14 states have (on average 33.57142857142857) internal successors, (470), 14 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:35,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:35,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 69 [2025-03-15 01:57:35,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:36,548 INFO L124 PetriNetUnfolderBase]: 110/443 cut-off events. [2025-03-15 01:57:36,549 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 01:57:36,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 711 conditions, 443 events. 110/443 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2383 event pairs, 15 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 671. Up to 103 conditions per place. [2025-03-15 01:57:36,559 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 59 selfloop transitions, 25 changer transitions 8/123 dead transitions. [2025-03-15 01:57:36,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 123 transitions, 433 flow [2025-03-15 01:57:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:57:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:57:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 670 transitions. [2025-03-15 01:57:36,596 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5394524959742351 [2025-03-15 01:57:36,601 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 16 predicate places. [2025-03-15 01:57:36,602 INFO L471 AbstractCegarLoop]: Abstraction has has 89 places, 123 transitions, 433 flow [2025-03-15 01:57:36,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 33.57142857142857) internal successors, (470), 14 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:36,602 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:36,602 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] [2025-03-15 01:57:36,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:57:36,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:36,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash -10300722, now seen corresponding path program 1 times [2025-03-15 01:57:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:36,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918503236] [2025-03-15 01:57:36,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:57:36,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:36,947 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 01:57:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918503236] [2025-03-15 01:57:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918503236] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:36,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411040815] [2025-03-15 01:57:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:36,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:57:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:36,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:57:36,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:57:36,950 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 69 [2025-03-15 01:57:36,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 123 transitions, 433 flow. Second operand has 14 states, 14 states have (on average 33.642857142857146) internal successors, (471), 14 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:36,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:36,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 69 [2025-03-15 01:57:36,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:37,464 INFO L124 PetriNetUnfolderBase]: 104/405 cut-off events. [2025-03-15 01:57:37,464 INFO L125 PetriNetUnfolderBase]: For 65/141 co-relation queries the response was YES. [2025-03-15 01:57:37,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 405 events. 104/405 cut-off events. For 65/141 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2134 event pairs, 12 based on Foata normal form. 18/405 useless extension candidates. Maximal degree in co-relation 856. Up to 108 conditions per place. [2025-03-15 01:57:37,466 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 54 selfloop transitions, 22 changer transitions 18/125 dead transitions. [2025-03-15 01:57:37,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 125 transitions, 629 flow [2025-03-15 01:57:37,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:57:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:57:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 668 transitions. [2025-03-15 01:57:37,470 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.537842190016103 [2025-03-15 01:57:37,470 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 33 predicate places. [2025-03-15 01:57:37,470 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 125 transitions, 629 flow [2025-03-15 01:57:37,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 33.642857142857146) internal successors, (471), 14 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:37,471 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:37,471 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] [2025-03-15 01:57:37,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:57:37,471 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:37,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:37,471 INFO L85 PathProgramCache]: Analyzing trace with hash -354456085, now seen corresponding path program 1 times [2025-03-15 01:57:37,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:37,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105196867] [2025-03-15 01:57:37,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:57:37,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:37,821 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 01:57:37,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:37,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105196867] [2025-03-15 01:57:37,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105196867] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:37,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:37,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:37,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138572089] [2025-03-15 01:57:37,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:37,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:57:37,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:37,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:57:37,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:57:37,823 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 69 [2025-03-15 01:57:37,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 125 transitions, 629 flow. Second operand has 14 states, 14 states have (on average 33.57142857142857) internal successors, (470), 14 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:37,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:37,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 69 [2025-03-15 01:57:37,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:38,288 INFO L124 PetriNetUnfolderBase]: 179/620 cut-off events. [2025-03-15 01:57:38,289 INFO L125 PetriNetUnfolderBase]: For 385/466 co-relation queries the response was YES. [2025-03-15 01:57:38,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 620 events. 179/620 cut-off events. For 385/466 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3563 event pairs, 21 based on Foata normal form. 14/601 useless extension candidates. Maximal degree in co-relation 1652. Up to 176 conditions per place. [2025-03-15 01:57:38,294 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 71 selfloop transitions, 38 changer transitions 28/173 dead transitions. [2025-03-15 01:57:38,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 173 transitions, 1133 flow [2025-03-15 01:57:38,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:57:38,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:57:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 667 transitions. [2025-03-15 01:57:38,296 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.5370370370370371 [2025-03-15 01:57:38,296 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 50 predicate places. [2025-03-15 01:57:38,296 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 173 transitions, 1133 flow [2025-03-15 01:57:38,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 33.57142857142857) internal successors, (470), 14 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:38,297 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:38,297 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] [2025-03-15 01:57:38,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:57:38,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:38,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:38,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1896763434, now seen corresponding path program 1 times [2025-03-15 01:57:38,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:38,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138096095] [2025-03-15 01:57:38,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:57:38,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:38,578 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 01:57:38,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:38,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138096095] [2025-03-15 01:57:38,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138096095] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:38,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:38,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:38,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186596773] [2025-03-15 01:57:38,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:38,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-15 01:57:38,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:38,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-15 01:57:38,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-15 01:57:38,581 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 69 [2025-03-15 01:57:38,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 173 transitions, 1133 flow. Second operand has 14 states, 14 states have (on average 33.642857142857146) internal successors, (471), 14 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:38,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:38,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 69 [2025-03-15 01:57:38,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:39,003 INFO L124 PetriNetUnfolderBase]: 173/595 cut-off events. [2025-03-15 01:57:39,004 INFO L125 PetriNetUnfolderBase]: For 639/756 co-relation queries the response was YES. [2025-03-15 01:57:39,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2011 conditions, 595 events. 173/595 cut-off events. For 639/756 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3331 event pairs, 20 based on Foata normal form. 32/601 useless extension candidates. Maximal degree in co-relation 1926. Up to 175 conditions per place. [2025-03-15 01:57:39,007 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 65 selfloop transitions, 33 changer transitions 39/173 dead transitions. [2025-03-15 01:57:39,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 173 transitions, 1405 flow [2025-03-15 01:57:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-15 01:57:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2025-03-15 01:57:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 665 transitions. [2025-03-15 01:57:39,011 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.535426731078905 [2025-03-15 01:57:39,011 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 67 predicate places. [2025-03-15 01:57:39,011 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 173 transitions, 1405 flow [2025-03-15 01:57:39,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 33.642857142857146) internal successors, (471), 14 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:39,011 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:39,012 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] [2025-03-15 01:57:39,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:57:39,012 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:39,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:39,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1372531678, now seen corresponding path program 1 times [2025-03-15 01:57:39,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:39,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447376620] [2025-03-15 01:57:39,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:57:39,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:39,424 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 01:57:39,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447376620] [2025-03-15 01:57:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447376620] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:39,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:39,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:39,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831409121] [2025-03-15 01:57:39,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:39,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:39,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:39,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:39,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:39,426 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:39,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 173 transitions, 1405 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:39,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:39,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:39,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:39,903 INFO L124 PetriNetUnfolderBase]: 499/1419 cut-off events. [2025-03-15 01:57:39,903 INFO L125 PetriNetUnfolderBase]: For 2627/2842 co-relation queries the response was YES. [2025-03-15 01:57:39,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5762 conditions, 1419 events. 499/1419 cut-off events. For 2627/2842 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9880 event pairs, 36 based on Foata normal form. 35/1402 useless extension candidates. Maximal degree in co-relation 5663. Up to 430 conditions per place. [2025-03-15 01:57:39,913 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 191 selfloop transitions, 55 changer transitions 92/378 dead transitions. [2025-03-15 01:57:39,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 378 transitions, 3915 flow [2025-03-15 01:57:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 562 transitions. [2025-03-15 01:57:39,917 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6265328874024526 [2025-03-15 01:57:39,917 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 79 predicate places. [2025-03-15 01:57:39,917 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 378 transitions, 3915 flow [2025-03-15 01:57:39,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:39,918 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:39,918 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] [2025-03-15 01:57:39,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:57:39,918 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:39,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:39,921 INFO L85 PathProgramCache]: Analyzing trace with hash 4320282, now seen corresponding path program 2 times [2025-03-15 01:57:39,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:39,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865518478] [2025-03-15 01:57:39,921 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:57:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:39,937 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:39,937 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:40,273 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 01:57:40,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:40,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865518478] [2025-03-15 01:57:40,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865518478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:40,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:40,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:40,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568820931] [2025-03-15 01:57:40,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:40,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:40,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:40,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:40,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:40,275 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:40,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 378 transitions, 3915 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:40,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:40,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:40,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:40,737 INFO L124 PetriNetUnfolderBase]: 513/1483 cut-off events. [2025-03-15 01:57:40,738 INFO L125 PetriNetUnfolderBase]: For 4403/4745 co-relation queries the response was YES. [2025-03-15 01:57:40,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6875 conditions, 1483 events. 513/1483 cut-off events. For 4403/4745 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 10465 event pairs, 27 based on Foata normal form. 66/1496 useless extension candidates. Maximal degree in co-relation 6762. Up to 452 conditions per place. [2025-03-15 01:57:40,746 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 214 selfloop transitions, 93 changer transitions 105/452 dead transitions. [2025-03-15 01:57:40,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 452 transitions, 5487 flow [2025-03-15 01:57:40,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:40,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 556 transitions. [2025-03-15 01:57:40,748 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6198439241917503 [2025-03-15 01:57:40,749 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 91 predicate places. [2025-03-15 01:57:40,749 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 452 transitions, 5487 flow [2025-03-15 01:57:40,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:40,749 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:40,749 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] [2025-03-15 01:57:40,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:57:40,749 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:40,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:40,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2073640000, now seen corresponding path program 3 times [2025-03-15 01:57:40,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:40,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673336564] [2025-03-15 01:57:40,750 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:57:40,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:40,763 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:57:40,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:40,996 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 01:57:40,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:40,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673336564] [2025-03-15 01:57:40,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673336564] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:40,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:40,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:40,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702022367] [2025-03-15 01:57:40,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:40,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:40,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:40,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:40,998 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:40,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 452 transitions, 5487 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:40,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:40,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:40,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:41,541 INFO L124 PetriNetUnfolderBase]: 615/1782 cut-off events. [2025-03-15 01:57:41,541 INFO L125 PetriNetUnfolderBase]: For 8161/8594 co-relation queries the response was YES. [2025-03-15 01:57:41,545 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9234 conditions, 1782 events. 615/1782 cut-off events. For 8161/8594 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 13392 event pairs, 35 based on Foata normal form. 89/1804 useless extension candidates. Maximal degree in co-relation 9107. Up to 545 conditions per place. [2025-03-15 01:57:41,551 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 274 selfloop transitions, 87 changer transitions 137/538 dead transitions. [2025-03-15 01:57:41,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 538 transitions, 7635 flow [2025-03-15 01:57:41,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 568 transitions. [2025-03-15 01:57:41,554 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.633221850613155 [2025-03-15 01:57:41,554 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 103 predicate places. [2025-03-15 01:57:41,554 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 538 transitions, 7635 flow [2025-03-15 01:57:41,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:41,555 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:41,555 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] [2025-03-15 01:57:41,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:57:41,555 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:41,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2116168636, now seen corresponding path program 4 times [2025-03-15 01:57:41,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:41,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134363594] [2025-03-15 01:57:41,555 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:57:41,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:41,587 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:57:41,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:57:41,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:41,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134363594] [2025-03-15 01:57:41,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134363594] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:41,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:41,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:41,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167395405] [2025-03-15 01:57:41,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:41,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:41,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:41,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:41,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:41,849 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:41,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 538 transitions, 7635 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:41,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:41,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:41,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:42,361 INFO L124 PetriNetUnfolderBase]: 527/1565 cut-off events. [2025-03-15 01:57:42,361 INFO L125 PetriNetUnfolderBase]: For 9514/10034 co-relation queries the response was YES. [2025-03-15 01:57:42,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9049 conditions, 1565 events. 527/1565 cut-off events. For 9514/10034 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 11343 event pairs, 36 based on Foata normal form. 71/1581 useless extension candidates. Maximal degree in co-relation 8908. Up to 479 conditions per place. [2025-03-15 01:57:42,371 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 266 selfloop transitions, 70 changer transitions 106/482 dead transitions. [2025-03-15 01:57:42,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 482 transitions, 7607 flow [2025-03-15 01:57:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:42,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 562 transitions. [2025-03-15 01:57:42,372 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6265328874024526 [2025-03-15 01:57:42,372 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 115 predicate places. [2025-03-15 01:57:42,372 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 482 transitions, 7607 flow [2025-03-15 01:57:42,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:42,373 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:42,373 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] [2025-03-15 01:57:42,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:57:42,373 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:42,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:42,374 INFO L85 PathProgramCache]: Analyzing trace with hash 185686992, now seen corresponding path program 5 times [2025-03-15 01:57:42,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:42,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078037250] [2025-03-15 01:57:42,374 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:42,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:42,381 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:42,381 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:42,645 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 01:57:42,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:42,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078037250] [2025-03-15 01:57:42,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078037250] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:42,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:42,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:42,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146836789] [2025-03-15 01:57:42,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:42,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:42,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:42,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:42,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:42,647 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:42,648 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 482 transitions, 7607 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:42,648 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:42,648 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:42,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:43,243 INFO L124 PetriNetUnfolderBase]: 644/1868 cut-off events. [2025-03-15 01:57:43,244 INFO L125 PetriNetUnfolderBase]: For 15772/16435 co-relation queries the response was YES. [2025-03-15 01:57:43,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11893 conditions, 1868 events. 644/1868 cut-off events. For 15772/16435 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14214 event pairs, 28 based on Foata normal form. 64/1856 useless extension candidates. Maximal degree in co-relation 11738. Up to 574 conditions per place. [2025-03-15 01:57:43,257 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 320 selfloop transitions, 87 changer transitions 138/585 dead transitions. [2025-03-15 01:57:43,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 585 transitions, 10471 flow [2025-03-15 01:57:43,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:43,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 569 transitions. [2025-03-15 01:57:43,259 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6343366778149386 [2025-03-15 01:57:43,260 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 127 predicate places. [2025-03-15 01:57:43,261 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 585 transitions, 10471 flow [2025-03-15 01:57:43,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:43,261 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:43,261 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] [2025-03-15 01:57:43,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:57:43,261 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:43,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1895750420, now seen corresponding path program 6 times [2025-03-15 01:57:43,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:43,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116898240] [2025-03-15 01:57:43,262 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:57:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:43,273 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:57:43,273 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:43,464 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 01:57:43,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:43,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116898240] [2025-03-15 01:57:43,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116898240] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:43,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:43,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:43,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168075887] [2025-03-15 01:57:43,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:43,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:43,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:43,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:43,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:43,466 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:43,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 585 transitions, 10471 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:43,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:43,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:43,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:44,028 INFO L124 PetriNetUnfolderBase]: 651/1921 cut-off events. [2025-03-15 01:57:44,028 INFO L125 PetriNetUnfolderBase]: For 21266/22080 co-relation queries the response was YES. [2025-03-15 01:57:44,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13295 conditions, 1921 events. 651/1921 cut-off events. For 21266/22080 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14850 event pairs, 30 based on Foata normal form. 80/1921 useless extension candidates. Maximal degree in co-relation 13126. Up to 594 conditions per place. [2025-03-15 01:57:44,040 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 344 selfloop transitions, 79 changer transitions 140/603 dead transitions. [2025-03-15 01:57:44,040 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 603 transitions, 11925 flow [2025-03-15 01:57:44,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:44,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 573 transitions. [2025-03-15 01:57:44,042 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6387959866220736 [2025-03-15 01:57:44,042 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 139 predicate places. [2025-03-15 01:57:44,042 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 603 transitions, 11925 flow [2025-03-15 01:57:44,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:44,043 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:44,043 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:44,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-15 01:57:44,043 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:44,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:44,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1919482050, now seen corresponding path program 7 times [2025-03-15 01:57:44,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:44,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113005903] [2025-03-15 01:57:44,044 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:57:44,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:44,241 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 01:57:44,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:44,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113005903] [2025-03-15 01:57:44,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113005903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:44,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:44,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419206091] [2025-03-15 01:57:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:44,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:44,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:44,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:44,242 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:44,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 603 transitions, 11925 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:44,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:44,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:44,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:44,779 INFO L124 PetriNetUnfolderBase]: 654/1937 cut-off events. [2025-03-15 01:57:44,779 INFO L125 PetriNetUnfolderBase]: For 26702/27652 co-relation queries the response was YES. [2025-03-15 01:57:44,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14467 conditions, 1937 events. 654/1937 cut-off events. For 26702/27652 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 14964 event pairs, 34 based on Foata normal form. 78/1936 useless extension candidates. Maximal degree in co-relation 14284. Up to 596 conditions per place. [2025-03-15 01:57:44,793 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 323 selfloop transitions, 103 changer transitions 140/606 dead transitions. [2025-03-15 01:57:44,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 606 transitions, 13107 flow [2025-03-15 01:57:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 564 transitions. [2025-03-15 01:57:44,794 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6287625418060201 [2025-03-15 01:57:44,794 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 151 predicate places. [2025-03-15 01:57:44,795 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 606 transitions, 13107 flow [2025-03-15 01:57:44,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:44,795 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:44,795 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] [2025-03-15 01:57:44,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-15 01:57:44,795 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:44,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:44,795 INFO L85 PathProgramCache]: Analyzing trace with hash 209974048, now seen corresponding path program 8 times [2025-03-15 01:57:44,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:44,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406648111] [2025-03-15 01:57:44,796 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:57:44,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:44,802 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:44,802 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:44,992 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 01:57:44,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:44,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406648111] [2025-03-15 01:57:44,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406648111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:44,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:44,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:44,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434435643] [2025-03-15 01:57:44,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:44,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:44,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:44,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:44,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:44,994 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:44,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 606 transitions, 13107 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:44,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:44,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:44,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:45,509 INFO L124 PetriNetUnfolderBase]: 558/1713 cut-off events. [2025-03-15 01:57:45,509 INFO L125 PetriNetUnfolderBase]: For 28439/29519 co-relation queries the response was YES. [2025-03-15 01:57:45,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13827 conditions, 1713 events. 558/1713 cut-off events. For 28439/29519 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 12926 event pairs, 32 based on Foata normal form. 84/1731 useless extension candidates. Maximal degree in co-relation 13630. Up to 529 conditions per place. [2025-03-15 01:57:45,521 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 309 selfloop transitions, 85 changer transitions 110/544 dead transitions. [2025-03-15 01:57:45,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 544 transitions, 12611 flow [2025-03-15 01:57:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:45,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 568 transitions. [2025-03-15 01:57:45,523 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.633221850613155 [2025-03-15 01:57:45,523 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 163 predicate places. [2025-03-15 01:57:45,523 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 544 transitions, 12611 flow [2025-03-15 01:57:45,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:45,524 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:45,524 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] [2025-03-15 01:57:45,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-15 01:57:45,524 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:45,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:45,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1589214790, now seen corresponding path program 9 times [2025-03-15 01:57:45,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:45,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568141588] [2025-03-15 01:57:45,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:57:45,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:45,538 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:57:45,542 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:45,815 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 01:57:45,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:45,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568141588] [2025-03-15 01:57:45,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568141588] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:45,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:45,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:45,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134386979] [2025-03-15 01:57:45,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:45,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:45,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:45,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:45,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:45,816 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:45,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 544 transitions, 12611 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:45,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:45,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:45,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:46,373 INFO L124 PetriNetUnfolderBase]: 663/2006 cut-off events. [2025-03-15 01:57:46,374 INFO L125 PetriNetUnfolderBase]: For 40632/41830 co-relation queries the response was YES. [2025-03-15 01:57:46,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17239 conditions, 2006 events. 663/2006 cut-off events. For 40632/41830 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 15820 event pairs, 32 based on Foata normal form. 82/2005 useless extension candidates. Maximal degree in co-relation 17028. Up to 616 conditions per place. [2025-03-15 01:57:46,390 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 354 selfloop transitions, 100 changer transitions 142/636 dead transitions. [2025-03-15 01:57:46,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 636 transitions, 16143 flow [2025-03-15 01:57:46,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:46,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 560 transitions. [2025-03-15 01:57:46,391 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6243032329988851 [2025-03-15 01:57:46,392 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 175 predicate places. [2025-03-15 01:57:46,392 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 636 transitions, 16143 flow [2025-03-15 01:57:46,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:46,393 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:46,393 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] [2025-03-15 01:57:46,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-15 01:57:46,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:46,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:46,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1271559042, now seen corresponding path program 10 times [2025-03-15 01:57:46,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:46,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251152317] [2025-03-15 01:57:46,394 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:57:46,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:46,402 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:57:46,402 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:46,579 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 01:57:46,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:46,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251152317] [2025-03-15 01:57:46,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251152317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:46,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:46,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:46,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319214906] [2025-03-15 01:57:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:46,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:46,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:46,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:46,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:46,580 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:46,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 636 transitions, 16143 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:46,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:46,581 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:46,581 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:47,105 INFO L124 PetriNetUnfolderBase]: 567/1783 cut-off events. [2025-03-15 01:57:47,106 INFO L125 PetriNetUnfolderBase]: For 41242/42328 co-relation queries the response was YES. [2025-03-15 01:57:47,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16387 conditions, 1783 events. 567/1783 cut-off events. For 41242/42328 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 13719 event pairs, 30 based on Foata normal form. 99/1812 useless extension candidates. Maximal degree in co-relation 16162. Up to 551 conditions per place. [2025-03-15 01:57:47,119 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 332 selfloop transitions, 90 changer transitions 112/574 dead transitions. [2025-03-15 01:57:47,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 574 transitions, 15459 flow [2025-03-15 01:57:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 559 transitions. [2025-03-15 01:57:47,121 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2025-03-15 01:57:47,122 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 187 predicate places. [2025-03-15 01:57:47,122 INFO L471 AbstractCegarLoop]: Abstraction has has 260 places, 574 transitions, 15459 flow [2025-03-15 01:57:47,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:47,122 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:47,122 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] [2025-03-15 01:57:47,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-15 01:57:47,122 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:47,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:47,123 INFO L85 PathProgramCache]: Analyzing trace with hash -743623306, now seen corresponding path program 11 times [2025-03-15 01:57:47,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:47,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962317411] [2025-03-15 01:57:47,123 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:47,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:47,131 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:47,131 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:47,323 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 01:57:47,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:47,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962317411] [2025-03-15 01:57:47,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962317411] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:47,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:47,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:47,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985679165] [2025-03-15 01:57:47,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:47,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:47,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:47,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:47,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:47,325 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:47,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 574 transitions, 15459 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:47,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:47,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:47,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:47,834 INFO L124 PetriNetUnfolderBase]: 673/2074 cut-off events. [2025-03-15 01:57:47,834 INFO L125 PetriNetUnfolderBase]: For 57559/58769 co-relation queries the response was YES. [2025-03-15 01:57:47,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19980 conditions, 2074 events. 673/2074 cut-off events. For 57559/58769 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 16597 event pairs, 34 based on Foata normal form. 88/2075 useless extension candidates. Maximal degree in co-relation 19741. Up to 640 conditions per place. [2025-03-15 01:57:47,853 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 364 selfloop transitions, 103 changer transitions 144/651 dead transitions. [2025-03-15 01:57:47,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 651 transitions, 18959 flow [2025-03-15 01:57:47,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 565 transitions. [2025-03-15 01:57:47,855 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6298773690078038 [2025-03-15 01:57:47,856 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 199 predicate places. [2025-03-15 01:57:47,856 INFO L471 AbstractCegarLoop]: Abstraction has has 272 places, 651 transitions, 18959 flow [2025-03-15 01:57:47,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:47,857 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:47,857 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] [2025-03-15 01:57:47,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-15 01:57:47,857 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 35192300, now seen corresponding path program 12 times [2025-03-15 01:57:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:47,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440669449] [2025-03-15 01:57:47,857 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:57:47,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:47,864 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:57:47,864 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:48,071 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 01:57:48,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:48,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440669449] [2025-03-15 01:57:48,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440669449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:48,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:48,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:48,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469786808] [2025-03-15 01:57:48,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:48,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:48,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:48,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:48,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:48,074 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:48,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 651 transitions, 18959 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:48,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:48,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:48,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:48,608 INFO L124 PetriNetUnfolderBase]: 652/2053 cut-off events. [2025-03-15 01:57:48,608 INFO L125 PetriNetUnfolderBase]: For 66066/67408 co-relation queries the response was YES. [2025-03-15 01:57:48,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20893 conditions, 2053 events. 652/2053 cut-off events. For 66066/67408 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 16640 event pairs, 38 based on Foata normal form. 79/2046 useless extension candidates. Maximal degree in co-relation 20640. Up to 633 conditions per place. [2025-03-15 01:57:48,643 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 367 selfloop transitions, 97 changer transitions 144/648 dead transitions. [2025-03-15 01:57:48,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 648 transitions, 20063 flow [2025-03-15 01:57:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 570 transitions. [2025-03-15 01:57:48,645 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6354515050167224 [2025-03-15 01:57:48,645 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 211 predicate places. [2025-03-15 01:57:48,646 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 648 transitions, 20063 flow [2025-03-15 01:57:48,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:48,646 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:48,646 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] [2025-03-15 01:57:48,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-15 01:57:48,646 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:48,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:48,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1762652232, now seen corresponding path program 13 times [2025-03-15 01:57:48,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:48,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198679896] [2025-03-15 01:57:48,647 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:57:48,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:48,849 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 01:57:48,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:48,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198679896] [2025-03-15 01:57:48,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198679896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:48,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:48,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466561115] [2025-03-15 01:57:48,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:48,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:48,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:48,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:48,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:48,850 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:48,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 648 transitions, 20063 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:48,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:48,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:48,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:49,420 INFO L124 PetriNetUnfolderBase]: 579/1864 cut-off events. [2025-03-15 01:57:49,421 INFO L125 PetriNetUnfolderBase]: For 65698/67099 co-relation queries the response was YES. [2025-03-15 01:57:49,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20081 conditions, 1864 events. 579/1864 cut-off events. For 65698/67099 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 14622 event pairs, 34 based on Foata normal form. 57/1848 useless extension candidates. Maximal degree in co-relation 19814. Up to 579 conditions per place. [2025-03-15 01:57:49,433 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 340 selfloop transitions, 98 changer transitions 114/592 dead transitions. [2025-03-15 01:57:49,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 592 transitions, 19247 flow [2025-03-15 01:57:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 562 transitions. [2025-03-15 01:57:49,434 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6265328874024526 [2025-03-15 01:57:49,434 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 223 predicate places. [2025-03-15 01:57:49,434 INFO L471 AbstractCegarLoop]: Abstraction has has 296 places, 592 transitions, 19247 flow [2025-03-15 01:57:49,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:49,434 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:49,435 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] [2025-03-15 01:57:49,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-15 01:57:49,435 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:49,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:49,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2000864072, now seen corresponding path program 14 times [2025-03-15 01:57:49,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:49,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037553343] [2025-03-15 01:57:49,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:57:49,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:49,441 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:49,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:49,604 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 01:57:49,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:49,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037553343] [2025-03-15 01:57:49,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037553343] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:49,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:49,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:49,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245230370] [2025-03-15 01:57:49,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:49,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:49,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:49,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:49,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:49,606 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:49,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 592 transitions, 19247 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:49,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:49,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:49,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:50,126 INFO L124 PetriNetUnfolderBase]: 480/1626 cut-off events. [2025-03-15 01:57:50,126 INFO L125 PetriNetUnfolderBase]: For 63877/65356 co-relation queries the response was YES. [2025-03-15 01:57:50,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18602 conditions, 1626 events. 480/1626 cut-off events. For 63877/65356 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 12383 event pairs, 31 based on Foata normal form. 59/1623 useless extension candidates. Maximal degree in co-relation 18321. Up to 499 conditions per place. [2025-03-15 01:57:50,137 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 318 selfloop transitions, 93 changer transitions 81/532 dead transitions. [2025-03-15 01:57:50,138 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 532 transitions, 18055 flow [2025-03-15 01:57:50,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:50,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 551 transitions. [2025-03-15 01:57:50,139 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6142697881828316 [2025-03-15 01:57:50,139 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 235 predicate places. [2025-03-15 01:57:50,139 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 532 transitions, 18055 flow [2025-03-15 01:57:50,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:50,140 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:50,140 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] [2025-03-15 01:57:50,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-15 01:57:50,141 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:50,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:50,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1866431402, now seen corresponding path program 15 times [2025-03-15 01:57:50,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:50,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61872875] [2025-03-15 01:57:50,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:57:50,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:50,151 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:57:50,152 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:50,375 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 01:57:50,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:50,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61872875] [2025-03-15 01:57:50,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61872875] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:50,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:50,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:50,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64098815] [2025-03-15 01:57:50,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:50,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:50,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:50,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:50,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:50,377 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:50,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 532 transitions, 18055 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:50,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:50,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:50,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:50,920 INFO L124 PetriNetUnfolderBase]: 607/1982 cut-off events. [2025-03-15 01:57:50,920 INFO L125 PetriNetUnfolderBase]: For 86544/87780 co-relation queries the response was YES. [2025-03-15 01:57:50,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23714 conditions, 1982 events. 607/1982 cut-off events. For 86544/87780 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 15820 event pairs, 18 based on Foata normal form. 47/1954 useless extension candidates. Maximal degree in co-relation 23419. Up to 613 conditions per place. [2025-03-15 01:57:50,933 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 419 selfloop transitions, 100 changer transitions 123/682 dead transitions. [2025-03-15 01:57:50,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 682 transitions, 24871 flow [2025-03-15 01:57:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:50,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 560 transitions. [2025-03-15 01:57:50,934 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6243032329988851 [2025-03-15 01:57:50,935 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 247 predicate places. [2025-03-15 01:57:50,935 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 682 transitions, 24871 flow [2025-03-15 01:57:50,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:50,935 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:50,935 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] [2025-03-15 01:57:50,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-15 01:57:50,935 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:50,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:50,936 INFO L85 PathProgramCache]: Analyzing trace with hash 320838058, now seen corresponding path program 16 times [2025-03-15 01:57:50,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:50,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396845383] [2025-03-15 01:57:50,936 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:57:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:50,942 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:57:50,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:51,127 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 01:57:51,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:51,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396845383] [2025-03-15 01:57:51,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396845383] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:51,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:51,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:51,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126961929] [2025-03-15 01:57:51,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:51,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:51,128 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:51,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:51,129 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:51,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 682 transitions, 24871 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:51,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:51,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:51,129 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:51,645 INFO L124 PetriNetUnfolderBase]: 648/2111 cut-off events. [2025-03-15 01:57:51,645 INFO L125 PetriNetUnfolderBase]: For 102245/103560 co-relation queries the response was YES. [2025-03-15 01:57:51,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26381 conditions, 2111 events. 648/2111 cut-off events. For 102245/103560 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 17180 event pairs, 21 based on Foata normal form. 59/2084 useless extension candidates. Maximal degree in co-relation 26072. Up to 672 conditions per place. [2025-03-15 01:57:51,661 INFO L140 encePairwiseOnDemand]: 50/69 looper letters, 393 selfloop transitions, 189 changer transitions 135/757 dead transitions. [2025-03-15 01:57:51,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 757 transitions, 29161 flow [2025-03-15 01:57:51,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:51,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:51,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 549 transitions. [2025-03-15 01:57:51,662 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6120401337792643 [2025-03-15 01:57:51,662 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 259 predicate places. [2025-03-15 01:57:51,662 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 757 transitions, 29161 flow [2025-03-15 01:57:51,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:51,662 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:51,662 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:57:51,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-15 01:57:51,663 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:51,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:51,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1287489194, now seen corresponding path program 17 times [2025-03-15 01:57:51,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:51,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122502121] [2025-03-15 01:57:51,663 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:51,669 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:51,670 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:51,842 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 01:57:51,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:51,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122502121] [2025-03-15 01:57:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122502121] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:51,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:51,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:51,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157838841] [2025-03-15 01:57:51,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:51,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:51,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:51,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:51,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:51,844 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:51,844 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 757 transitions, 29161 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:51,844 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:51,844 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:51,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:52,589 INFO L124 PetriNetUnfolderBase]: 752/2407 cut-off events. [2025-03-15 01:57:52,589 INFO L125 PetriNetUnfolderBase]: For 133398/134781 co-relation queries the response was YES. [2025-03-15 01:57:52,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31221 conditions, 2407 events. 752/2407 cut-off events. For 133398/134781 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 20174 event pairs, 19 based on Foata normal form. 67/2374 useless extension candidates. Maximal degree in co-relation 30898. Up to 760 conditions per place. [2025-03-15 01:57:52,609 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 536 selfloop transitions, 106 changer transitions 167/849 dead transitions. [2025-03-15 01:57:52,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 849 transitions, 34591 flow [2025-03-15 01:57:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:52,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 564 transitions. [2025-03-15 01:57:52,611 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6287625418060201 [2025-03-15 01:57:52,611 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 271 predicate places. [2025-03-15 01:57:52,611 INFO L471 AbstractCegarLoop]: Abstraction has has 344 places, 849 transitions, 34591 flow [2025-03-15 01:57:52,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:52,613 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:52,613 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] [2025-03-15 01:57:52,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-15 01:57:52,613 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:52,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:52,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1549432664, now seen corresponding path program 18 times [2025-03-15 01:57:52,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:52,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041110888] [2025-03-15 01:57:52,614 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:57:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:52,621 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:57:52,621 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:52,790 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 01:57:52,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:52,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041110888] [2025-03-15 01:57:52,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041110888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:52,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:52,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984625236] [2025-03-15 01:57:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:52,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:52,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:52,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:52,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:52,791 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:52,792 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 849 transitions, 34591 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:52,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:52,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:52,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:53,471 INFO L124 PetriNetUnfolderBase]: 659/2198 cut-off events. [2025-03-15 01:57:53,471 INFO L125 PetriNetUnfolderBase]: For 131314/132729 co-relation queries the response was YES. [2025-03-15 01:57:53,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29750 conditions, 2198 events. 659/2198 cut-off events. For 131314/132729 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 18163 event pairs, 17 based on Foata normal form. 92/2203 useless extension candidates. Maximal degree in co-relation 29413. Up to 700 conditions per place. [2025-03-15 01:57:53,487 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 513 selfloop transitions, 97 changer transitions 137/787 dead transitions. [2025-03-15 01:57:53,488 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 356 places, 787 transitions, 33341 flow [2025-03-15 01:57:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 563 transitions. [2025-03-15 01:57:53,489 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6276477146042363 [2025-03-15 01:57:53,489 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 283 predicate places. [2025-03-15 01:57:53,489 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 787 transitions, 33341 flow [2025-03-15 01:57:53,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:53,489 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:53,489 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] [2025-03-15 01:57:53,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-15 01:57:53,489 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:53,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2057865704, now seen corresponding path program 19 times [2025-03-15 01:57:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:53,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517858918] [2025-03-15 01:57:53,490 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:57:53,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:53,667 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 01:57:53,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:53,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517858918] [2025-03-15 01:57:53,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517858918] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:53,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:53,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:53,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384248885] [2025-03-15 01:57:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:53,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:53,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:53,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:53,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:53,670 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:53,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 787 transitions, 33341 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:53,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:53,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:53,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:54,336 INFO L124 PetriNetUnfolderBase]: 665/2207 cut-off events. [2025-03-15 01:57:54,336 INFO L125 PetriNetUnfolderBase]: For 143063/144500 co-relation queries the response was YES. [2025-03-15 01:57:54,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31182 conditions, 2207 events. 665/2207 cut-off events. For 143063/144500 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 18261 event pairs, 16 based on Foata normal form. 65/2183 useless extension candidates. Maximal degree in co-relation 30831. Up to 704 conditions per place. [2025-03-15 01:57:54,353 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 495 selfloop transitions, 123 changer transitions 137/795 dead transitions. [2025-03-15 01:57:54,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 795 transitions, 35195 flow [2025-03-15 01:57:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:54,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 556 transitions. [2025-03-15 01:57:54,355 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6198439241917503 [2025-03-15 01:57:54,355 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 295 predicate places. [2025-03-15 01:57:54,355 INFO L471 AbstractCegarLoop]: Abstraction has has 368 places, 795 transitions, 35195 flow [2025-03-15 01:57:54,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:54,355 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:54,355 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] [2025-03-15 01:57:54,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-15 01:57:54,355 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:54,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:54,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1939774704, now seen corresponding path program 20 times [2025-03-15 01:57:54,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:54,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915747969] [2025-03-15 01:57:54,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:57:54,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:54,361 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:54,363 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:54,542 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 01:57:54,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:54,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915747969] [2025-03-15 01:57:54,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915747969] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:54,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:54,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:54,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240611738] [2025-03-15 01:57:54,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:54,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:54,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:54,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:54,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:54,544 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:54,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 795 transitions, 35195 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:54,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:54,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:54,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:55,207 INFO L124 PetriNetUnfolderBase]: 765/2507 cut-off events. [2025-03-15 01:57:55,207 INFO L125 PetriNetUnfolderBase]: For 185640/187248 co-relation queries the response was YES. [2025-03-15 01:57:55,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36217 conditions, 2507 events. 765/2507 cut-off events. For 185640/187248 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 21385 event pairs, 23 based on Foata normal form. 112/2519 useless extension candidates. Maximal degree in co-relation 35852. Up to 826 conditions per place. [2025-03-15 01:57:55,230 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 526 selfloop transitions, 137 changer transitions 169/872 dead transitions. [2025-03-15 01:57:55,230 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 872 transitions, 40523 flow [2025-03-15 01:57:55,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:55,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 558 transitions. [2025-03-15 01:57:55,231 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6220735785953178 [2025-03-15 01:57:55,231 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 307 predicate places. [2025-03-15 01:57:55,231 INFO L471 AbstractCegarLoop]: Abstraction has has 380 places, 872 transitions, 40523 flow [2025-03-15 01:57:55,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:55,232 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:55,232 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] [2025-03-15 01:57:55,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-03-15 01:57:55,232 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:55,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:55,232 INFO L85 PathProgramCache]: Analyzing trace with hash -925192520, now seen corresponding path program 21 times [2025-03-15 01:57:55,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:55,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517072322] [2025-03-15 01:57:55,232 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:57:55,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:55,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:57:55,238 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:55,408 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 01:57:55,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:55,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517072322] [2025-03-15 01:57:55,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517072322] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:55,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:55,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:55,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676545706] [2025-03-15 01:57:55,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:55,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:55,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:55,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:55,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:55,409 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:55,409 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 872 transitions, 40523 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:55,409 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:55,409 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:55,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:56,069 INFO L124 PetriNetUnfolderBase]: 758/2506 cut-off events. [2025-03-15 01:57:56,070 INFO L125 PetriNetUnfolderBase]: For 199517/201110 co-relation queries the response was YES. [2025-03-15 01:57:56,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37594 conditions, 2506 events. 758/2506 cut-off events. For 199517/201110 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 21483 event pairs, 27 based on Foata normal form. 89/2495 useless extension candidates. Maximal degree in co-relation 37215. Up to 824 conditions per place. [2025-03-15 01:57:56,095 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 539 selfloop transitions, 127 changer transitions 169/875 dead transitions. [2025-03-15 01:57:56,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 875 transitions, 42327 flow [2025-03-15 01:57:56,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:56,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:56,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 554 transitions. [2025-03-15 01:57:56,096 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6176142697881828 [2025-03-15 01:57:56,096 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 319 predicate places. [2025-03-15 01:57:56,096 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 875 transitions, 42327 flow [2025-03-15 01:57:56,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:56,097 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:56,097 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] [2025-03-15 01:57:56,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-03-15 01:57:56,097 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:56,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:56,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1166738798, now seen corresponding path program 22 times [2025-03-15 01:57:56,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:56,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351346772] [2025-03-15 01:57:56,098 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:57:56,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:56,103 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:57:56,104 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:56,340 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 01:57:56,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:56,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351346772] [2025-03-15 01:57:56,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351346772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:56,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:56,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:56,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873296737] [2025-03-15 01:57:56,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:56,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:56,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:56,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:56,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:56,342 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:56,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 875 transitions, 42327 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:56,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:56,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:56,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:57,080 INFO L124 PetriNetUnfolderBase]: 673/2269 cut-off events. [2025-03-15 01:57:57,080 INFO L125 PetriNetUnfolderBase]: For 193838/195414 co-relation queries the response was YES. [2025-03-15 01:57:57,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35831 conditions, 2269 events. 673/2269 cut-off events. For 193838/195414 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 19047 event pairs, 13 based on Foata normal form. 99/2275 useless extension candidates. Maximal degree in co-relation 35438. Up to 729 conditions per place. [2025-03-15 01:57:57,103 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 483 selfloop transitions, 157 changer transitions 139/819 dead transitions. [2025-03-15 01:57:57,103 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 819 transitions, 40957 flow [2025-03-15 01:57:57,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 551 transitions. [2025-03-15 01:57:57,104 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6142697881828316 [2025-03-15 01:57:57,104 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 331 predicate places. [2025-03-15 01:57:57,104 INFO L471 AbstractCegarLoop]: Abstraction has has 404 places, 819 transitions, 40957 flow [2025-03-15 01:57:57,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:57,105 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:57,105 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] [2025-03-15 01:57:57,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-03-15 01:57:57,105 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:57,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:57,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1697673000, now seen corresponding path program 23 times [2025-03-15 01:57:57,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:57,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182888458] [2025-03-15 01:57:57,105 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:57:57,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:57,111 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:57,111 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:57,302 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 01:57:57,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:57,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182888458] [2025-03-15 01:57:57,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182888458] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:57,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:57,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:57,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162982140] [2025-03-15 01:57:57,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:57,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:57,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:57,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:57,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:57,303 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:57,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 404 places, 819 transitions, 40957 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:57,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:57,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:57,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:57,920 INFO L124 PetriNetUnfolderBase]: 575/2042 cut-off events. [2025-03-15 01:57:57,920 INFO L125 PetriNetUnfolderBase]: For 181697/183286 co-relation queries the response was YES. [2025-03-15 01:57:57,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33351 conditions, 2042 events. 575/2042 cut-off events. For 181697/183286 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 16866 event pairs, 14 based on Foata normal form. 94/2056 useless extension candidates. Maximal degree in co-relation 32944. Up to 720 conditions per place. [2025-03-15 01:57:57,943 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 488 selfloop transitions, 119 changer transitions 106/753 dead transitions. [2025-03-15 01:57:57,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 416 places, 753 transitions, 38803 flow [2025-03-15 01:57:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:57,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:57,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 553 transitions. [2025-03-15 01:57:57,946 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6164994425863991 [2025-03-15 01:57:57,946 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 343 predicate places. [2025-03-15 01:57:57,946 INFO L471 AbstractCegarLoop]: Abstraction has has 416 places, 753 transitions, 38803 flow [2025-03-15 01:57:57,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:57,947 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:57,947 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] [2025-03-15 01:57:57,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-03-15 01:57:57,947 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:57,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:57,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1404950638, now seen corresponding path program 24 times [2025-03-15 01:57:57,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:57,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277742536] [2025-03-15 01:57:57,947 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:57:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:57,953 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:57:57,953 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:58,248 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 01:57:58,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:58,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277742536] [2025-03-15 01:57:58,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277742536] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:58,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:58,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:58,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812437437] [2025-03-15 01:57:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:58,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:58,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:58,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:58,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:58,250 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:58,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 416 places, 753 transitions, 38803 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:58,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:58,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:58,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:58,866 INFO L124 PetriNetUnfolderBase]: 574/2046 cut-off events. [2025-03-15 01:57:58,866 INFO L125 PetriNetUnfolderBase]: For 195626/197331 co-relation queries the response was YES. [2025-03-15 01:57:58,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34590 conditions, 2046 events. 574/2046 cut-off events. For 195626/197331 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 16893 event pairs, 11 based on Foata normal form. 78/2044 useless extension candidates. Maximal degree in co-relation 34169. Up to 722 conditions per place. [2025-03-15 01:57:58,887 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 487 selfloop transitions, 123 changer transitions 106/756 dead transitions. [2025-03-15 01:57:58,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 756 transitions, 40387 flow [2025-03-15 01:57:58,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 556 transitions. [2025-03-15 01:57:58,888 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6198439241917503 [2025-03-15 01:57:58,888 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 355 predicate places. [2025-03-15 01:57:58,888 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 756 transitions, 40387 flow [2025-03-15 01:57:58,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:58,889 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:58,889 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] [2025-03-15 01:57:58,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-03-15 01:57:58,889 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:58,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:58,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1339536740, now seen corresponding path program 25 times [2025-03-15 01:57:58,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:58,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54078141] [2025-03-15 01:57:58,889 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:57:58,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:57:59,051 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 01:57:59,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:59,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54078141] [2025-03-15 01:57:59,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54078141] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:59,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:59,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683092619] [2025-03-15 01:57:59,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:59,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:59,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:59,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:59,052 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:59,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 756 transitions, 40387 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:59,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:59,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:59,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:57:59,609 INFO L124 PetriNetUnfolderBase]: 469/1802 cut-off events. [2025-03-15 01:57:59,609 INFO L125 PetriNetUnfolderBase]: For 178206/179863 co-relation queries the response was YES. [2025-03-15 01:57:59,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31324 conditions, 1802 events. 469/1802 cut-off events. For 178206/179863 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 14623 event pairs, 13 based on Foata normal form. 71/1806 useless extension candidates. Maximal degree in co-relation 30889. Up to 604 conditions per place. [2025-03-15 01:57:59,627 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 467 selfloop transitions, 109 changer transitions 70/686 dead transitions. [2025-03-15 01:57:59,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 440 places, 686 transitions, 37603 flow [2025-03-15 01:57:59,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:57:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:57:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 560 transitions. [2025-03-15 01:57:59,628 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6243032329988851 [2025-03-15 01:57:59,628 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 367 predicate places. [2025-03-15 01:57:59,628 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 686 transitions, 37603 flow [2025-03-15 01:57:59,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:59,629 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:57:59,629 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] [2025-03-15 01:57:59,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-03-15 01:57:59,629 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:57:59,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:57:59,629 INFO L85 PathProgramCache]: Analyzing trace with hash -899900218, now seen corresponding path program 26 times [2025-03-15 01:57:59,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:57:59,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708716599] [2025-03-15 01:57:59,629 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:57:59,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:57:59,634 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:57:59,634 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:57:59,798 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 01:57:59,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:57:59,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708716599] [2025-03-15 01:57:59,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708716599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:57:59,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:57:59,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:57:59,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277124941] [2025-03-15 01:57:59,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:57:59,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:57:59,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:57:59,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:57:59,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:57:59,799 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:57:59,799 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 686 transitions, 37603 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:57:59,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:57:59,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:57:59,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:00,522 INFO L124 PetriNetUnfolderBase]: 610/2190 cut-off events. [2025-03-15 01:58:00,522 INFO L125 PetriNetUnfolderBase]: For 239196/241390 co-relation queries the response was YES. [2025-03-15 01:58:00,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39398 conditions, 2190 events. 610/2190 cut-off events. For 239196/241390 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 18445 event pairs, 11 based on Foata normal form. 24/2130 useless extension candidates. Maximal degree in co-relation 38949. Up to 750 conditions per place. [2025-03-15 01:58:00,551 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 597 selfloop transitions, 91 changer transitions 110/838 dead transitions. [2025-03-15 01:58:00,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 838 transitions, 48135 flow [2025-03-15 01:58:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:00,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:00,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 561 transitions. [2025-03-15 01:58:00,552 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6254180602006689 [2025-03-15 01:58:00,553 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 379 predicate places. [2025-03-15 01:58:00,553 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 838 transitions, 48135 flow [2025-03-15 01:58:00,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:00,553 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:00,553 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] [2025-03-15 01:58:00,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-03-15 01:58:00,553 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:00,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:00,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1801532006, now seen corresponding path program 27 times [2025-03-15 01:58:00,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:00,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733562714] [2025-03-15 01:58:00,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:00,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:00,559 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:58:00,559 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:00,710 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 01:58:00,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:00,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733562714] [2025-03-15 01:58:00,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733562714] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:00,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:00,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:00,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853289102] [2025-03-15 01:58:00,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:00,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:00,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:00,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:00,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:00,711 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:00,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 838 transitions, 48135 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:00,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:00,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:00,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:01,681 INFO L124 PetriNetUnfolderBase]: 720/2486 cut-off events. [2025-03-15 01:58:01,681 INFO L125 PetriNetUnfolderBase]: For 306255/308573 co-relation queries the response was YES. [2025-03-15 01:58:01,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45869 conditions, 2486 events. 720/2486 cut-off events. For 306255/308573 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 21447 event pairs, 11 based on Foata normal form. 48/2434 useless extension candidates. Maximal degree in co-relation 45406. Up to 885 conditions per place. [2025-03-15 01:58:01,708 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 654 selfloop transitions, 94 changer transitions 142/930 dead transitions. [2025-03-15 01:58:01,709 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 930 transitions, 55567 flow [2025-03-15 01:58:01,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:01,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 565 transitions. [2025-03-15 01:58:01,709 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6298773690078038 [2025-03-15 01:58:01,710 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 391 predicate places. [2025-03-15 01:58:01,710 INFO L471 AbstractCegarLoop]: Abstraction has has 464 places, 930 transitions, 55567 flow [2025-03-15 01:58:01,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:01,711 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:01,711 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] [2025-03-15 01:58:01,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-15 01:58:01,711 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:01,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:01,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1720399384, now seen corresponding path program 28 times [2025-03-15 01:58:01,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:01,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194838209] [2025-03-15 01:58:01,711 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:58:01,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:01,720 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:58:01,720 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:01,863 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 01:58:01,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:01,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194838209] [2025-03-15 01:58:01,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194838209] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:01,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:01,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:01,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53480650] [2025-03-15 01:58:01,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:01,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:01,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:01,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:01,864 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:01,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 464 places, 930 transitions, 55567 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:01,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:01,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:01,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:02,754 INFO L124 PetriNetUnfolderBase]: 628/2271 cut-off events. [2025-03-15 01:58:02,754 INFO L125 PetriNetUnfolderBase]: For 289657/292139 co-relation queries the response was YES. [2025-03-15 01:58:02,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43257 conditions, 2271 events. 628/2271 cut-off events. For 289657/292139 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 19367 event pairs, 11 based on Foata normal form. 60/2242 useless extension candidates. Maximal degree in co-relation 42780. Up to 781 conditions per place. [2025-03-15 01:58:02,780 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 631 selfloop transitions, 85 changer transitions 112/868 dead transitions. [2025-03-15 01:58:02,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 476 places, 868 transitions, 53239 flow [2025-03-15 01:58:02,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:02,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 564 transitions. [2025-03-15 01:58:02,781 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6287625418060201 [2025-03-15 01:58:02,781 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 403 predicate places. [2025-03-15 01:58:02,782 INFO L471 AbstractCegarLoop]: Abstraction has has 476 places, 868 transitions, 53239 flow [2025-03-15 01:58:02,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:02,782 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:02,782 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] [2025-03-15 01:58:02,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-15 01:58:02,782 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:02,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1647843806, now seen corresponding path program 29 times [2025-03-15 01:58:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:02,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029813777] [2025-03-15 01:58:02,783 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:58:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:02,787 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:02,787 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:02,925 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 01:58:02,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:02,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029813777] [2025-03-15 01:58:02,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029813777] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:02,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:02,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:02,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608524193] [2025-03-15 01:58:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:02,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:02,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:02,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:02,927 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:02,927 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 476 places, 868 transitions, 53239 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:02,927 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:02,927 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:02,927 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:03,776 INFO L124 PetriNetUnfolderBase]: 842/2864 cut-off events. [2025-03-15 01:58:03,776 INFO L125 PetriNetUnfolderBase]: For 412812/416132 co-relation queries the response was YES. [2025-03-15 01:58:03,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 55260 conditions, 2864 events. 842/2864 cut-off events. For 412812/416132 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 25523 event pairs, 23 based on Foata normal form. 78/2822 useless extension candidates. Maximal degree in co-relation 54769. Up to 1043 conditions per place. [2025-03-15 01:58:03,816 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 717 selfloop transitions, 112 changer transitions 176/1045 dead transitions. [2025-03-15 01:58:03,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 488 places, 1045 transitions, 66835 flow [2025-03-15 01:58:03,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 570 transitions. [2025-03-15 01:58:03,817 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6354515050167224 [2025-03-15 01:58:03,817 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 415 predicate places. [2025-03-15 01:58:03,817 INFO L471 AbstractCegarLoop]: Abstraction has has 488 places, 1045 transitions, 66835 flow [2025-03-15 01:58:03,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:03,818 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:03,818 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] [2025-03-15 01:58:03,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-15 01:58:03,818 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:03,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:03,818 INFO L85 PathProgramCache]: Analyzing trace with hash 858431732, now seen corresponding path program 30 times [2025-03-15 01:58:03,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:03,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627238755] [2025-03-15 01:58:03,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:03,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:03,823 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:03,823 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:03,979 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 01:58:03,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627238755] [2025-03-15 01:58:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627238755] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:03,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:03,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880007965] [2025-03-15 01:58:03,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:03,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:03,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:03,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:03,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:03,980 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:03,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 488 places, 1045 transitions, 66835 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:03,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:03,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:03,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:05,024 INFO L124 PetriNetUnfolderBase]: 842/2856 cut-off events. [2025-03-15 01:58:05,025 INFO L125 PetriNetUnfolderBase]: For 435469/438960 co-relation queries the response was YES. [2025-03-15 01:58:05,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56902 conditions, 2856 events. 842/2856 cut-off events. For 435469/438960 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 25489 event pairs, 13 based on Foata normal form. 78/2811 useless extension candidates. Maximal degree in co-relation 56397. Up to 1045 conditions per place. [2025-03-15 01:58:05,068 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 712 selfloop transitions, 120 changer transitions 176/1048 dead transitions. [2025-03-15 01:58:05,068 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 500 places, 1048 transitions, 69039 flow [2025-03-15 01:58:05,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 568 transitions. [2025-03-15 01:58:05,069 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.633221850613155 [2025-03-15 01:58:05,070 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 427 predicate places. [2025-03-15 01:58:05,070 INFO L471 AbstractCegarLoop]: Abstraction has has 500 places, 1048 transitions, 69039 flow [2025-03-15 01:58:05,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:05,070 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:05,070 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] [2025-03-15 01:58:05,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-03-15 01:58:05,070 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:05,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:05,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1631467638, now seen corresponding path program 31 times [2025-03-15 01:58:05,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:05,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481728458] [2025-03-15 01:58:05,071 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:58:05,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:05,260 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 01:58:05,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:05,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481728458] [2025-03-15 01:58:05,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481728458] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:05,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:05,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:05,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834787882] [2025-03-15 01:58:05,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:05,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:05,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:05,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:05,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:05,261 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:05,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 500 places, 1048 transitions, 69039 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:05,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:05,262 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:05,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:06,250 INFO L124 PetriNetUnfolderBase]: 745/2645 cut-off events. [2025-03-15 01:58:06,250 INFO L125 PetriNetUnfolderBase]: For 420128/423766 co-relation queries the response was YES. [2025-03-15 01:58:06,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54138 conditions, 2645 events. 745/2645 cut-off events. For 420128/423766 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 23444 event pairs, 21 based on Foata normal form. 82/2621 useless extension candidates. Maximal degree in co-relation 53619. Up to 940 conditions per place. [2025-03-15 01:58:06,281 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 708 selfloop transitions, 92 changer transitions 146/986 dead transitions. [2025-03-15 01:58:06,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 512 places, 986 transitions, 66575 flow [2025-03-15 01:58:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:06,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 572 transitions. [2025-03-15 01:58:06,282 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6376811594202898 [2025-03-15 01:58:06,282 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 439 predicate places. [2025-03-15 01:58:06,282 INFO L471 AbstractCegarLoop]: Abstraction has has 512 places, 986 transitions, 66575 flow [2025-03-15 01:58:06,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:06,282 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:06,282 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] [2025-03-15 01:58:06,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-15 01:58:06,283 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:06,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:06,283 INFO L85 PathProgramCache]: Analyzing trace with hash -875363326, now seen corresponding path program 32 times [2025-03-15 01:58:06,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:06,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892216754] [2025-03-15 01:58:06,283 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:06,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:06,295 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:06,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:06,476 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 01:58:06,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:06,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892216754] [2025-03-15 01:58:06,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892216754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:06,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:06,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:06,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421742576] [2025-03-15 01:58:06,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:06,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:06,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:06,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:06,478 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:06,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 512 places, 986 transitions, 66575 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:06,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:06,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:06,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:07,343 INFO L124 PetriNetUnfolderBase]: 661/2429 cut-off events. [2025-03-15 01:58:07,343 INFO L125 PetriNetUnfolderBase]: For 391341/395156 co-relation queries the response was YES. [2025-03-15 01:58:07,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51455 conditions, 2429 events. 661/2429 cut-off events. For 391341/395156 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 21173 event pairs, 9 based on Foata normal form. 64/2395 useless extension candidates. Maximal degree in co-relation 50922. Up to 844 conditions per place. [2025-03-15 01:58:07,370 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 672 selfloop transitions, 102 changer transitions 116/930 dead transitions. [2025-03-15 01:58:07,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 524 places, 930 transitions, 64307 flow [2025-03-15 01:58:07,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 556 transitions. [2025-03-15 01:58:07,371 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6198439241917503 [2025-03-15 01:58:07,371 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 451 predicate places. [2025-03-15 01:58:07,371 INFO L471 AbstractCegarLoop]: Abstraction has has 524 places, 930 transitions, 64307 flow [2025-03-15 01:58:07,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:07,372 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:07,372 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] [2025-03-15 01:58:07,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-15 01:58:07,372 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:07,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:07,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1714954154, now seen corresponding path program 33 times [2025-03-15 01:58:07,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:07,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485175210] [2025-03-15 01:58:07,372 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:07,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:07,377 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:58:07,377 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:07,553 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 01:58:07,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:07,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485175210] [2025-03-15 01:58:07,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485175210] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:07,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:07,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:07,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737874557] [2025-03-15 01:58:07,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:07,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:07,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:07,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:07,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:07,555 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:07,555 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 524 places, 930 transitions, 64307 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:07,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:07,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:07,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:08,454 INFO L124 PetriNetUnfolderBase]: 659/2447 cut-off events. [2025-03-15 01:58:08,454 INFO L125 PetriNetUnfolderBase]: For 417109/421216 co-relation queries the response was YES. [2025-03-15 01:58:08,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53094 conditions, 2447 events. 659/2447 cut-off events. For 417109/421216 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 21483 event pairs, 15 based on Foata normal form. 75/2428 useless extension candidates. Maximal degree in co-relation 52547. Up to 852 conditions per place. [2025-03-15 01:58:08,484 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 648 selfloop transitions, 134 changer transitions 116/938 dead transitions. [2025-03-15 01:58:08,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 536 places, 938 transitions, 66671 flow [2025-03-15 01:58:08,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:08,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 555 transitions. [2025-03-15 01:58:08,489 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6187290969899666 [2025-03-15 01:58:08,490 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 463 predicate places. [2025-03-15 01:58:08,490 INFO L471 AbstractCegarLoop]: Abstraction has has 536 places, 938 transitions, 66671 flow [2025-03-15 01:58:08,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:08,490 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:08,490 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] [2025-03-15 01:58:08,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-15 01:58:08,490 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:08,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:08,494 INFO L85 PathProgramCache]: Analyzing trace with hash 883993956, now seen corresponding path program 34 times [2025-03-15 01:58:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:08,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764855652] [2025-03-15 01:58:08,494 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:58:08,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:08,501 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:58:08,501 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:08,656 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 01:58:08,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:08,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764855652] [2025-03-15 01:58:08,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764855652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:08,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:08,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:08,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034316469] [2025-03-15 01:58:08,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:08,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:08,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:08,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:08,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:08,657 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:08,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 536 places, 938 transitions, 66671 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:08,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:08,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:08,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:09,664 INFO L124 PetriNetUnfolderBase]: 771/2734 cut-off events. [2025-03-15 01:58:09,664 INFO L125 PetriNetUnfolderBase]: For 521382/525446 co-relation queries the response was YES. [2025-03-15 01:58:09,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60754 conditions, 2734 events. 771/2734 cut-off events. For 521382/525446 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 24448 event pairs, 13 based on Foata normal form. 87/2709 useless extension candidates. Maximal degree in co-relation 60193. Up to 991 conditions per place. [2025-03-15 01:58:09,706 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 730 selfloop transitions, 112 changer transitions 148/1030 dead transitions. [2025-03-15 01:58:09,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 548 places, 1030 transitions, 75591 flow [2025-03-15 01:58:09,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 559 transitions. [2025-03-15 01:58:09,707 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6231884057971014 [2025-03-15 01:58:09,707 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 475 predicate places. [2025-03-15 01:58:09,707 INFO L471 AbstractCegarLoop]: Abstraction has has 548 places, 1030 transitions, 75591 flow [2025-03-15 01:58:09,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:09,708 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:09,708 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] [2025-03-15 01:58:09,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-15 01:58:09,708 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:09,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1700909912, now seen corresponding path program 35 times [2025-03-15 01:58:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593771368] [2025-03-15 01:58:09,708 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:58:09,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:09,714 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:09,715 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:09,874 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 01:58:09,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:09,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593771368] [2025-03-15 01:58:09,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593771368] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:09,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:09,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:09,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717372785] [2025-03-15 01:58:09,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:09,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:09,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:09,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:09,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:09,875 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:09,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 548 places, 1030 transitions, 75591 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:09,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:09,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:09,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:10,983 INFO L124 PetriNetUnfolderBase]: 677/2524 cut-off events. [2025-03-15 01:58:10,983 INFO L125 PetriNetUnfolderBase]: For 490684/494839 co-relation queries the response was YES. [2025-03-15 01:58:10,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57479 conditions, 2524 events. 677/2524 cut-off events. For 490684/494839 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 22315 event pairs, 9 based on Foata normal form. 101/2525 useless extension candidates. Maximal degree in co-relation 56904. Up to 886 conditions per place. [2025-03-15 01:58:11,018 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 707 selfloop transitions, 103 changer transitions 118/968 dead transitions. [2025-03-15 01:58:11,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 560 places, 968 transitions, 72595 flow [2025-03-15 01:58:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 558 transitions. [2025-03-15 01:58:11,019 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6220735785953178 [2025-03-15 01:58:11,019 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 487 predicate places. [2025-03-15 01:58:11,019 INFO L471 AbstractCegarLoop]: Abstraction has has 560 places, 968 transitions, 72595 flow [2025-03-15 01:58:11,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:11,020 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:11,020 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] [2025-03-15 01:58:11,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-15 01:58:11,020 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:11,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:11,020 INFO L85 PathProgramCache]: Analyzing trace with hash -694246452, now seen corresponding path program 36 times [2025-03-15 01:58:11,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:11,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407351102] [2025-03-15 01:58:11,020 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:11,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:11,025 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:11,025 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:11,155 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 01:58:11,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:11,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407351102] [2025-03-15 01:58:11,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407351102] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:11,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:11,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:11,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081667172] [2025-03-15 01:58:11,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:11,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:11,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:11,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:11,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:11,156 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:11,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 560 places, 968 transitions, 72595 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:11,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:11,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:11,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:12,108 INFO L124 PetriNetUnfolderBase]: 772/2806 cut-off events. [2025-03-15 01:58:12,108 INFO L125 PetriNetUnfolderBase]: For 584352/588762 co-relation queries the response was YES. [2025-03-15 01:58:12,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64588 conditions, 2806 events. 772/2806 cut-off events. For 584352/588762 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 25374 event pairs, 15 based on Foata normal form. 87/2778 useless extension candidates. Maximal degree in co-relation 63999. Up to 1003 conditions per place. [2025-03-15 01:58:12,150 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 740 selfloop transitions, 115 changer transitions 150/1045 dead transitions. [2025-03-15 01:58:12,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 1045 transitions, 80733 flow [2025-03-15 01:58:12,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:12,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 564 transitions. [2025-03-15 01:58:12,151 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6287625418060201 [2025-03-15 01:58:12,151 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 499 predicate places. [2025-03-15 01:58:12,151 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 1045 transitions, 80733 flow [2025-03-15 01:58:12,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:12,152 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:12,152 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] [2025-03-15 01:58:12,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-15 01:58:12,152 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:12,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:12,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1015261550, now seen corresponding path program 37 times [2025-03-15 01:58:12,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:12,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949864297] [2025-03-15 01:58:12,152 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:58:12,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:12,288 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 01:58:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949864297] [2025-03-15 01:58:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949864297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:12,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:12,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:12,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883845075] [2025-03-15 01:58:12,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:12,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:12,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:12,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:12,290 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:12,290 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 1045 transitions, 80733 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:12,290 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:12,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:12,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:13,495 INFO L124 PetriNetUnfolderBase]: 683/2589 cut-off events. [2025-03-15 01:58:13,495 INFO L125 PetriNetUnfolderBase]: For 552381/557045 co-relation queries the response was YES. [2025-03-15 01:58:13,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61526 conditions, 2589 events. 683/2589 cut-off events. For 552381/557045 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 23217 event pairs, 17 based on Foata normal form. 79/2568 useless extension candidates. Maximal degree in co-relation 60923. Up to 909 conditions per place. [2025-03-15 01:58:13,533 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 710 selfloop transitions, 119 changer transitions 120/989 dead transitions. [2025-03-15 01:58:13,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 989 transitions, 78023 flow [2025-03-15 01:58:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 557 transitions. [2025-03-15 01:58:13,534 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.620958751393534 [2025-03-15 01:58:13,534 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 511 predicate places. [2025-03-15 01:58:13,535 INFO L471 AbstractCegarLoop]: Abstraction has has 584 places, 989 transitions, 78023 flow [2025-03-15 01:58:13,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:13,535 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:13,535 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] [2025-03-15 01:58:13,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-15 01:58:13,535 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:13,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:13,535 INFO L85 PathProgramCache]: Analyzing trace with hash -718533508, now seen corresponding path program 38 times [2025-03-15 01:58:13,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:13,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79302539] [2025-03-15 01:58:13,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:13,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:13,541 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:13,541 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:13,680 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 01:58:13,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:13,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79302539] [2025-03-15 01:58:13,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79302539] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:13,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:13,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:13,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949451085] [2025-03-15 01:58:13,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:13,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:13,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:13,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:13,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:13,682 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:13,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 584 places, 989 transitions, 78023 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:13,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:13,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:13,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:14,853 INFO L124 PetriNetUnfolderBase]: 687/2587 cut-off events. [2025-03-15 01:58:14,853 INFO L125 PetriNetUnfolderBase]: For 577549/582363 co-relation queries the response was YES. [2025-03-15 01:58:14,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63097 conditions, 2587 events. 687/2587 cut-off events. For 577549/582363 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 23131 event pairs, 9 based on Foata normal form. 66/2548 useless extension candidates. Maximal degree in co-relation 62480. Up to 912 conditions per place. [2025-03-15 01:58:14,889 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 722 selfloop transitions, 110 changer transitions 120/992 dead transitions. [2025-03-15 01:58:14,889 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 596 places, 992 transitions, 80163 flow [2025-03-15 01:58:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 562 transitions. [2025-03-15 01:58:14,890 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6265328874024526 [2025-03-15 01:58:14,890 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 523 predicate places. [2025-03-15 01:58:14,891 INFO L471 AbstractCegarLoop]: Abstraction has has 596 places, 992 transitions, 80163 flow [2025-03-15 01:58:14,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:14,891 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:14,891 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] [2025-03-15 01:58:14,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-15 01:58:14,891 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:14,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1491013988, now seen corresponding path program 39 times [2025-03-15 01:58:14,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:14,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317947608] [2025-03-15 01:58:14,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:14,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:14,898 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:58:14,898 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:15,035 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 01:58:15,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:15,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317947608] [2025-03-15 01:58:15,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317947608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:15,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:15,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:15,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230386351] [2025-03-15 01:58:15,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:15,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:15,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:15,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:15,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:15,036 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:15,036 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 596 places, 992 transitions, 80163 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:15,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:15,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:15,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:15,992 INFO L124 PetriNetUnfolderBase]: 585/2360 cut-off events. [2025-03-15 01:58:15,992 INFO L125 PetriNetUnfolderBase]: For 543306/548323 co-relation queries the response was YES. [2025-03-15 01:58:15,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58765 conditions, 2360 events. 585/2360 cut-off events. For 543306/548323 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 20981 event pairs, 14 based on Foata normal form. 68/2336 useless extension candidates. Maximal degree in co-relation 58134. Up to 808 conditions per place. [2025-03-15 01:58:16,027 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 703 selfloop transitions, 96 changer transitions 87/926 dead transitions. [2025-03-15 01:58:16,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 608 places, 926 transitions, 76243 flow [2025-03-15 01:58:16,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:16,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:16,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 566 transitions. [2025-03-15 01:58:16,028 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6309921962095875 [2025-03-15 01:58:16,029 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 535 predicate places. [2025-03-15 01:58:16,029 INFO L471 AbstractCegarLoop]: Abstraction has has 608 places, 926 transitions, 76243 flow [2025-03-15 01:58:16,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:16,029 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:16,029 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] [2025-03-15 01:58:16,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-03-15 01:58:16,029 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:16,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:16,030 INFO L85 PathProgramCache]: Analyzing trace with hash 866901508, now seen corresponding path program 40 times [2025-03-15 01:58:16,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:16,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743755160] [2025-03-15 01:58:16,030 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:58:16,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:16,034 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:58:16,035 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:16,197 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 01:58:16,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:16,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743755160] [2025-03-15 01:58:16,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743755160] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:16,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:16,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:16,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477995449] [2025-03-15 01:58:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:16,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:16,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:16,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:16,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:16,199 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:16,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 608 places, 926 transitions, 76243 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:16,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:16,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:16,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:17,218 INFO L124 PetriNetUnfolderBase]: 715/2715 cut-off events. [2025-03-15 01:58:17,218 INFO L125 PetriNetUnfolderBase]: For 661566/667197 co-relation queries the response was YES. [2025-03-15 01:58:17,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69307 conditions, 2715 events. 715/2715 cut-off events. For 661566/667197 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 24628 event pairs, 17 based on Foata normal form. 56/2667 useless extension candidates. Maximal degree in co-relation 68662. Up to 943 conditions per place. [2025-03-15 01:58:17,263 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 739 selfloop transitions, 156 changer transitions 127/1062 dead transitions. [2025-03-15 01:58:17,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 620 places, 1062 transitions, 90119 flow [2025-03-15 01:58:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 558 transitions. [2025-03-15 01:58:17,264 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6220735785953178 [2025-03-15 01:58:17,264 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 547 predicate places. [2025-03-15 01:58:17,264 INFO L471 AbstractCegarLoop]: Abstraction has has 620 places, 1062 transitions, 90119 flow [2025-03-15 01:58:17,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:17,264 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:17,265 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] [2025-03-15 01:58:17,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-15 01:58:17,265 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:17,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:17,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1834241842, now seen corresponding path program 41 times [2025-03-15 01:58:17,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:17,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4385251] [2025-03-15 01:58:17,265 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:58:17,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:17,270 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:17,270 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:17,405 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 01:58:17,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:17,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4385251] [2025-03-15 01:58:17,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4385251] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:17,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:17,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:17,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509055682] [2025-03-15 01:58:17,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:17,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:17,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:17,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:17,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:17,406 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:17,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 620 places, 1062 transitions, 90119 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:17,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:17,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:17,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:18,480 INFO L124 PetriNetUnfolderBase]: 727/2769 cut-off events. [2025-03-15 01:58:18,480 INFO L125 PetriNetUnfolderBase]: For 703109/708440 co-relation queries the response was YES. [2025-03-15 01:58:18,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72344 conditions, 2769 events. 727/2769 cut-off events. For 703109/708440 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 25263 event pairs, 9 based on Foata normal form. 92/2752 useless extension candidates. Maximal degree in co-relation 71685. Up to 949 conditions per place. [2025-03-15 01:58:18,524 INFO L140 encePairwiseOnDemand]: 50/69 looper letters, 620 selfloop transitions, 314 changer transitions 135/1109 dead transitions. [2025-03-15 01:58:18,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 1109 transitions, 96395 flow [2025-03-15 01:58:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 545 transitions. [2025-03-15 01:58:18,525 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6075808249721293 [2025-03-15 01:58:18,526 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 559 predicate places. [2025-03-15 01:58:18,526 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 1109 transitions, 96395 flow [2025-03-15 01:58:18,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:18,526 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:18,526 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] [2025-03-15 01:58:18,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-03-15 01:58:18,526 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:18,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:18,527 INFO L85 PathProgramCache]: Analyzing trace with hash 46402342, now seen corresponding path program 42 times [2025-03-15 01:58:18,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:18,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572460248] [2025-03-15 01:58:18,527 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:18,532 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:18,532 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:18,684 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 01:58:18,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:18,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572460248] [2025-03-15 01:58:18,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572460248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:18,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:18,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:18,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906497534] [2025-03-15 01:58:18,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:18,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:18,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:18,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:18,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:18,686 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:18,688 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 1109 transitions, 96395 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:58:18,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:18,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:18,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:20,003 INFO L124 PetriNetUnfolderBase]: 834/3085 cut-off events. [2025-03-15 01:58:20,003 INFO L125 PetriNetUnfolderBase]: For 840807/845953 co-relation queries the response was YES. [2025-03-15 01:58:20,012 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81205 conditions, 3085 events. 834/3085 cut-off events. For 840807/845953 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 28650 event pairs, 19 based on Foata normal form. 86/3049 useless extension candidates. Maximal degree in co-relation 80532. Up to 1078 conditions per place. [2025-03-15 01:58:20,052 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 821 selfloop transitions, 167 changer transitions 167/1195 dead transitions. [2025-03-15 01:58:20,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 644 places, 1195 transitions, 106565 flow [2025-03-15 01:58:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:20,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 564 transitions. [2025-03-15 01:58:20,053 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6287625418060201 [2025-03-15 01:58:20,054 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 571 predicate places. [2025-03-15 01:58:20,054 INFO L471 AbstractCegarLoop]: Abstraction has has 644 places, 1195 transitions, 106565 flow [2025-03-15 01:58:20,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:20,054 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:20,054 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] [2025-03-15 01:58:20,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2025-03-15 01:58:20,054 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:20,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:20,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1592105294, now seen corresponding path program 43 times [2025-03-15 01:58:20,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:20,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306047175] [2025-03-15 01:58:20,055 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:58:20,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:20,185 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 01:58:20,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:20,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306047175] [2025-03-15 01:58:20,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306047175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:20,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:20,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:20,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792741107] [2025-03-15 01:58:20,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:20,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:20,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:20,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:20,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:20,186 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:20,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 644 places, 1195 transitions, 106565 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:20,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:20,186 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:20,186 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:21,690 INFO L124 PetriNetUnfolderBase]: 834/3099 cut-off events. [2025-03-15 01:58:21,690 INFO L125 PetriNetUnfolderBase]: For 876592/881697 co-relation queries the response was YES. [2025-03-15 01:58:21,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83249 conditions, 3099 events. 834/3099 cut-off events. For 876592/881697 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 28909 event pairs, 19 based on Foata normal form. 96/3077 useless extension candidates. Maximal degree in co-relation 82562. Up to 1082 conditions per place. [2025-03-15 01:58:21,737 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 782 selfloop transitions, 214 changer transitions 167/1203 dead transitions. [2025-03-15 01:58:21,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 1203 transitions, 109619 flow [2025-03-15 01:58:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 553 transitions. [2025-03-15 01:58:21,738 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6164994425863991 [2025-03-15 01:58:21,738 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 583 predicate places. [2025-03-15 01:58:21,738 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 1203 transitions, 109619 flow [2025-03-15 01:58:21,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:21,738 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:21,739 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] [2025-03-15 01:58:21,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2025-03-15 01:58:21,739 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:21,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1429778, now seen corresponding path program 44 times [2025-03-15 01:58:21,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:21,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763811964] [2025-03-15 01:58:21,739 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:21,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:21,744 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:21,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:21,870 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 01:58:21,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:21,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763811964] [2025-03-15 01:58:21,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763811964] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:21,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:21,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:21,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852875645] [2025-03-15 01:58:21,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:21,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:21,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:21,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:21,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:21,871 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:21,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 1203 transitions, 109619 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:21,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:21,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:21,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:23,334 INFO L124 PetriNetUnfolderBase]: 835/3079 cut-off events. [2025-03-15 01:58:23,334 INFO L125 PetriNetUnfolderBase]: For 922122/927737 co-relation queries the response was YES. [2025-03-15 01:58:23,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85021 conditions, 3079 events. 835/3079 cut-off events. For 922122/927737 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 28688 event pairs, 11 based on Foata normal form. 114/3066 useless extension candidates. Maximal degree in co-relation 84320. Up to 1085 conditions per place. [2025-03-15 01:58:23,380 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 783 selfloop transitions, 216 changer transitions 167/1206 dead transitions. [2025-03-15 01:58:23,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 668 places, 1206 transitions, 112223 flow [2025-03-15 01:58:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 551 transitions. [2025-03-15 01:58:23,382 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6142697881828316 [2025-03-15 01:58:23,382 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 595 predicate places. [2025-03-15 01:58:23,382 INFO L471 AbstractCegarLoop]: Abstraction has has 668 places, 1206 transitions, 112223 flow [2025-03-15 01:58:23,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:23,382 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:23,382 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] [2025-03-15 01:58:23,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2025-03-15 01:58:23,382 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:23,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:23,383 INFO L85 PathProgramCache]: Analyzing trace with hash 771606128, now seen corresponding path program 45 times [2025-03-15 01:58:23,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:23,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645955291] [2025-03-15 01:58:23,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:23,391 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:58:23,391 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:23,549 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 01:58:23,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:23,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645955291] [2025-03-15 01:58:23,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645955291] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:23,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:23,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477322262] [2025-03-15 01:58:23,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:23,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:23,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:23,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:23,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:23,550 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:23,550 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 1206 transitions, 112223 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:23,550 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:23,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:23,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:25,093 INFO L124 PetriNetUnfolderBase]: 736/2853 cut-off events. [2025-03-15 01:58:25,094 INFO L125 PetriNetUnfolderBase]: For 867042/872449 co-relation queries the response was YES. [2025-03-15 01:58:25,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80257 conditions, 2853 events. 736/2853 cut-off events. For 867042/872449 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 26373 event pairs, 9 based on Foata normal form. 112/2853 useless extension candidates. Maximal degree in co-relation 79542. Up to 982 conditions per place. [2025-03-15 01:58:25,145 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 756 selfloop transitions, 210 changer transitions 134/1140 dead transitions. [2025-03-15 01:58:25,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 680 places, 1140 transitions, 107939 flow [2025-03-15 01:58:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 550 transitions. [2025-03-15 01:58:25,146 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6131549609810479 [2025-03-15 01:58:25,146 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 607 predicate places. [2025-03-15 01:58:25,146 INFO L471 AbstractCegarLoop]: Abstraction has has 680 places, 1140 transitions, 107939 flow [2025-03-15 01:58:25,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:25,147 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:25,147 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] [2025-03-15 01:58:25,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2025-03-15 01:58:25,147 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:25,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:25,147 INFO L85 PathProgramCache]: Analyzing trace with hash -726633564, now seen corresponding path program 46 times [2025-03-15 01:58:25,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:25,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648964199] [2025-03-15 01:58:25,148 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:58:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:25,153 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:58:25,153 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:25,291 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 01:58:25,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:25,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648964199] [2025-03-15 01:58:25,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648964199] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:25,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:25,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616409129] [2025-03-15 01:58:25,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:25,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:25,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:25,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:25,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:25,292 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:25,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 1140 transitions, 107939 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:25,293 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:25,293 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:25,293 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:26,632 INFO L124 PetriNetUnfolderBase]: 651/2642 cut-off events. [2025-03-15 01:58:26,632 INFO L125 PetriNetUnfolderBase]: For 803876/809593 co-relation queries the response was YES. [2025-03-15 01:58:26,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76264 conditions, 2642 events. 651/2642 cut-off events. For 803876/809593 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 24211 event pairs, 7 based on Foata normal form. 72/2613 useless extension candidates. Maximal degree in co-relation 75535. Up to 887 conditions per place. [2025-03-15 01:58:26,668 INFO L140 encePairwiseOnDemand]: 49/69 looper letters, 791 selfloop transitions, 149 changer transitions 104/1084 dead transitions. [2025-03-15 01:58:26,668 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 692 places, 1084 transitions, 104411 flow [2025-03-15 01:58:26,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:26,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 558 transitions. [2025-03-15 01:58:26,669 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6220735785953178 [2025-03-15 01:58:26,669 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 619 predicate places. [2025-03-15 01:58:26,669 INFO L471 AbstractCegarLoop]: Abstraction has has 692 places, 1084 transitions, 104411 flow [2025-03-15 01:58:26,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:26,670 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:26,670 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] [2025-03-15 01:58:26,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2025-03-15 01:58:26,670 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:26,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:26,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1669733838, now seen corresponding path program 47 times [2025-03-15 01:58:26,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:26,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692039428] [2025-03-15 01:58:26,671 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:58:26,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:26,678 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:26,678 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:26,825 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 01:58:26,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:26,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692039428] [2025-03-15 01:58:26,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692039428] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:26,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:26,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:26,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009502165] [2025-03-15 01:58:26,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:26,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:26,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:26,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:26,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:26,829 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:26,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 1084 transitions, 104411 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:26,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:26,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:26,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:28,096 INFO L124 PetriNetUnfolderBase]: 648/2650 cut-off events. [2025-03-15 01:58:28,096 INFO L125 PetriNetUnfolderBase]: For 837011/842624 co-relation queries the response was YES. [2025-03-15 01:58:28,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77809 conditions, 2650 events. 648/2650 cut-off events. For 837011/842624 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 24410 event pairs, 7 based on Foata normal form. 78/2631 useless extension candidates. Maximal degree in co-relation 77066. Up to 888 conditions per place. [2025-03-15 01:58:28,144 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 772 selfloop transitions, 171 changer transitions 104/1087 dead transitions. [2025-03-15 01:58:28,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 1087 transitions, 106795 flow [2025-03-15 01:58:28,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 554 transitions. [2025-03-15 01:58:28,145 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6176142697881828 [2025-03-15 01:58:28,145 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 631 predicate places. [2025-03-15 01:58:28,145 INFO L471 AbstractCegarLoop]: Abstraction has has 704 places, 1087 transitions, 106795 flow [2025-03-15 01:58:28,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:28,145 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:28,145 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] [2025-03-15 01:58:28,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2025-03-15 01:58:28,146 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:28,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:28,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1431521998, now seen corresponding path program 48 times [2025-03-15 01:58:28,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:28,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988338226] [2025-03-15 01:58:28,146 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:28,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:28,151 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:28,151 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:28,299 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 01:58:28,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988338226] [2025-03-15 01:58:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988338226] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:28,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:28,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:28,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317967281] [2025-03-15 01:58:28,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:28,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:28,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:28,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:28,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:28,300 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:28,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 704 places, 1087 transitions, 106795 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:28,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:28,300 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:28,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:29,484 INFO L124 PetriNetUnfolderBase]: 650/2664 cut-off events. [2025-03-15 01:58:29,485 INFO L125 PetriNetUnfolderBase]: For 876219/881844 co-relation queries the response was YES. [2025-03-15 01:58:29,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79554 conditions, 2664 events. 650/2664 cut-off events. For 876219/881844 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 24488 event pairs, 7 based on Foata normal form. 89/2654 useless extension candidates. Maximal degree in co-relation 78797. Up to 893 conditions per place. [2025-03-15 01:58:29,531 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 755 selfloop transitions, 191 changer transitions 104/1090 dead transitions. [2025-03-15 01:58:29,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 716 places, 1090 transitions, 109191 flow [2025-03-15 01:58:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 549 transitions. [2025-03-15 01:58:29,532 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6120401337792643 [2025-03-15 01:58:29,532 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 643 predicate places. [2025-03-15 01:58:29,532 INFO L471 AbstractCegarLoop]: Abstraction has has 716 places, 1090 transitions, 109191 flow [2025-03-15 01:58:29,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:29,532 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:29,532 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] [2025-03-15 01:58:29,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2025-03-15 01:58:29,532 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:29,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:29,533 INFO L85 PathProgramCache]: Analyzing trace with hash 915725456, now seen corresponding path program 49 times [2025-03-15 01:58:29,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:29,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009806057] [2025-03-15 01:58:29,533 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:58:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:29,656 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 01:58:29,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:29,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009806057] [2025-03-15 01:58:29,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009806057] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:29,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:29,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:29,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130977342] [2025-03-15 01:58:29,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:29,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:29,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:29,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:29,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:29,657 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:29,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 1090 transitions, 109191 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:29,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:29,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:29,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:31,054 INFO L124 PetriNetUnfolderBase]: 660/2718 cut-off events. [2025-03-15 01:58:31,054 INFO L125 PetriNetUnfolderBase]: For 942783/948411 co-relation queries the response was YES. [2025-03-15 01:58:31,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82431 conditions, 2718 events. 660/2718 cut-off events. For 942783/948411 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 25194 event pairs, 7 based on Foata normal form. 90/2706 useless extension candidates. Maximal degree in co-relation 81660. Up to 913 conditions per place. [2025-03-15 01:58:31,098 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 797 selfloop transitions, 165 changer transitions 106/1108 dead transitions. [2025-03-15 01:58:31,098 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 728 places, 1108 transitions, 113203 flow [2025-03-15 01:58:31,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:31,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 558 transitions. [2025-03-15 01:58:31,099 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6220735785953178 [2025-03-15 01:58:31,100 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 655 predicate places. [2025-03-15 01:58:31,100 INFO L471 AbstractCegarLoop]: Abstraction has has 728 places, 1108 transitions, 113203 flow [2025-03-15 01:58:31,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:31,100 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:31,100 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] [2025-03-15 01:58:31,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2025-03-15 01:58:31,100 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:31,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:31,101 INFO L85 PathProgramCache]: Analyzing trace with hash 118957920, now seen corresponding path program 50 times [2025-03-15 01:58:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:31,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806864947] [2025-03-15 01:58:31,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:31,106 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:31,106 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:31,262 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 01:58:31,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:31,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806864947] [2025-03-15 01:58:31,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806864947] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:31,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:31,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-03-15 01:58:31,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369339791] [2025-03-15 01:58:31,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:31,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:58:31,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:31,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:58:31,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:58:31,264 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 69 [2025-03-15 01:58:31,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 728 places, 1108 transitions, 113203 flow. Second operand has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:31,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:31,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 69 [2025-03-15 01:58:31,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:32,540 INFO L124 PetriNetUnfolderBase]: 550/2389 cut-off events. [2025-03-15 01:58:32,540 INFO L125 PetriNetUnfolderBase]: For 830117/835631 co-relation queries the response was YES. [2025-03-15 01:58:32,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74451 conditions, 2389 events. 550/2389 cut-off events. For 830117/835631 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 21822 event pairs, 4 based on Foata normal form. 88/2391 useless extension candidates. Maximal degree in co-relation 73666. Up to 772 conditions per place. [2025-03-15 01:58:32,659 INFO L140 encePairwiseOnDemand]: 48/69 looper letters, 747 selfloop transitions, 179 changer transitions 53/1019 dead transitions. [2025-03-15 01:58:32,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 736 places, 1019 transitions, 106157 flow [2025-03-15 01:58:32,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:58:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:58:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 553 transitions. [2025-03-15 01:58:32,661 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6164994425863991 [2025-03-15 01:58:32,661 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 663 predicate places. [2025-03-15 01:58:32,661 INFO L471 AbstractCegarLoop]: Abstraction has has 736 places, 1019 transitions, 106157 flow [2025-03-15 01:58:32,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 37.0) internal successors, (481), 13 states have internal predecessors, (481), 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 01:58:32,661 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:32,661 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] [2025-03-15 01:58:32,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2025-03-15 01:58:32,661 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:32,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:32,662 INFO L85 PathProgramCache]: Analyzing trace with hash -188268250, now seen corresponding path program 1 times [2025-03-15 01:58:32,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42290688] [2025-03-15 01:58:32,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:58:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:32,964 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 01:58:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42290688] [2025-03-15 01:58:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42290688] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:32,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703097689] [2025-03-15 01:58:32,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:32,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:32,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:32,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:32,965 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:32,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 736 places, 1019 transitions, 106157 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:32,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:32,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:32,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:35,529 INFO L124 PetriNetUnfolderBase]: 1157/3230 cut-off events. [2025-03-15 01:58:35,529 INFO L125 PetriNetUnfolderBase]: For 1656273/1656549 co-relation queries the response was YES. [2025-03-15 01:58:35,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110917 conditions, 3230 events. 1157/3230 cut-off events. For 1656273/1656549 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 25923 event pairs, 113 based on Foata normal form. 5/3129 useless extension candidates. Maximal degree in co-relation 110117. Up to 1501 conditions per place. [2025-03-15 01:58:35,585 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 889 selfloop transitions, 203 changer transitions 64/1175 dead transitions. [2025-03-15 01:58:35,585 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 1175 transitions, 120661 flow [2025-03-15 01:58:35,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:58:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:58:35,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 974 transitions. [2025-03-15 01:58:35,587 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3619472315124489 [2025-03-15 01:58:35,587 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 701 predicate places. [2025-03-15 01:58:35,587 INFO L471 AbstractCegarLoop]: Abstraction has has 774 places, 1175 transitions, 120661 flow [2025-03-15 01:58:35,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:35,587 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:35,587 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] [2025-03-15 01:58:35,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2025-03-15 01:58:35,587 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:35,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1300728218, now seen corresponding path program 2 times [2025-03-15 01:58:35,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:35,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103976857] [2025-03-15 01:58:35,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:35,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:35,596 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:35,596 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:35,929 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 01:58:35,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:35,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103976857] [2025-03-15 01:58:35,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103976857] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:35,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:35,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:35,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143134185] [2025-03-15 01:58:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:35,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:35,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:35,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:35,930 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:35,930 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 774 places, 1175 transitions, 120661 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:35,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:35,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:35,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:38,870 INFO L124 PetriNetUnfolderBase]: 1173/3288 cut-off events. [2025-03-15 01:58:38,870 INFO L125 PetriNetUnfolderBase]: For 1694534/1694812 co-relation queries the response was YES. [2025-03-15 01:58:38,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115610 conditions, 3288 events. 1173/3288 cut-off events. For 1694534/1694812 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 26613 event pairs, 113 based on Foata normal form. 5/3184 useless extension candidates. Maximal degree in co-relation 114795. Up to 1543 conditions per place. [2025-03-15 01:58:38,935 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 936 selfloop transitions, 201 changer transitions 74/1230 dead transitions. [2025-03-15 01:58:38,935 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 810 places, 1230 transitions, 126379 flow [2025-03-15 01:58:38,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 01:58:38,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 01:58:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 935 transitions. [2025-03-15 01:58:38,936 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3662358010184097 [2025-03-15 01:58:38,936 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 737 predicate places. [2025-03-15 01:58:38,937 INFO L471 AbstractCegarLoop]: Abstraction has has 810 places, 1230 transitions, 126379 flow [2025-03-15 01:58:38,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:38,937 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:38,937 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] [2025-03-15 01:58:38,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2025-03-15 01:58:38,937 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1394646400, now seen corresponding path program 3 times [2025-03-15 01:58:38,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:38,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865701031] [2025-03-15 01:58:38,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:58:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:38,943 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:58:38,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:39,227 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 01:58:39,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:39,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865701031] [2025-03-15 01:58:39,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865701031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:39,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:39,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:39,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884604171] [2025-03-15 01:58:39,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:39,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:39,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:39,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:39,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:39,228 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:39,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 810 places, 1230 transitions, 126379 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:39,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:39,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:39,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:42,254 INFO L124 PetriNetUnfolderBase]: 1209/3416 cut-off events. [2025-03-15 01:58:42,254 INFO L125 PetriNetUnfolderBase]: For 1756231/1756561 co-relation queries the response was YES. [2025-03-15 01:58:42,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122468 conditions, 3416 events. 1209/3416 cut-off events. For 1756231/1756561 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 28070 event pairs, 113 based on Foata normal form. 5/3303 useless extension candidates. Maximal degree in co-relation 121638. Up to 1605 conditions per place. [2025-03-15 01:58:42,324 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 980 selfloop transitions, 230 changer transitions 89/1318 dead transitions. [2025-03-15 01:58:42,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 848 places, 1318 transitions, 135153 flow [2025-03-15 01:58:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:58:42,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:58:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 990 transitions. [2025-03-15 01:58:42,326 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36789297658862874 [2025-03-15 01:58:42,326 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 775 predicate places. [2025-03-15 01:58:42,326 INFO L471 AbstractCegarLoop]: Abstraction has has 848 places, 1318 transitions, 135153 flow [2025-03-15 01:58:42,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:42,326 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:42,326 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] [2025-03-15 01:58:42,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2025-03-15 01:58:42,326 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:42,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:42,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1728795678, now seen corresponding path program 4 times [2025-03-15 01:58:42,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:42,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032167919] [2025-03-15 01:58:42,327 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:58:42,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:42,333 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:58:42,333 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:42,703 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 01:58:42,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:42,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032167919] [2025-03-15 01:58:42,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032167919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:42,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:42,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226919913] [2025-03-15 01:58:42,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:42,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:42,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:42,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:42,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:42,705 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:42,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 848 places, 1318 transitions, 135153 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:42,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:42,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:42,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:45,733 INFO L124 PetriNetUnfolderBase]: 1225/3458 cut-off events. [2025-03-15 01:58:45,733 INFO L125 PetriNetUnfolderBase]: For 1798289/1798671 co-relation queries the response was YES. [2025-03-15 01:58:45,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127238 conditions, 3458 events. 1225/3458 cut-off events. For 1798289/1798671 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 28497 event pairs, 113 based on Foata normal form. 5/3342 useless extension candidates. Maximal degree in co-relation 126393. Up to 1624 conditions per place. [2025-03-15 01:58:45,802 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 1005 selfloop transitions, 232 changer transitions 98/1354 dead transitions. [2025-03-15 01:58:45,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 884 places, 1354 transitions, 140599 flow [2025-03-15 01:58:45,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 01:58:45,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 01:58:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 939 transitions. [2025-03-15 01:58:45,804 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36780258519388953 [2025-03-15 01:58:45,804 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 811 predicate places. [2025-03-15 01:58:45,804 INFO L471 AbstractCegarLoop]: Abstraction has has 884 places, 1354 transitions, 140599 flow [2025-03-15 01:58:45,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:45,804 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:45,804 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] [2025-03-15 01:58:45,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2025-03-15 01:58:45,804 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:45,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:45,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1932698876, now seen corresponding path program 5 times [2025-03-15 01:58:45,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:45,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902390846] [2025-03-15 01:58:45,805 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:58:45,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:45,810 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:45,811 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:46,116 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 01:58:46,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:46,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902390846] [2025-03-15 01:58:46,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902390846] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:46,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:46,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:46,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132306882] [2025-03-15 01:58:46,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:46,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:46,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:46,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:46,118 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:46,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 884 places, 1354 transitions, 140599 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:46,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:46,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:46,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:49,297 INFO L124 PetriNetUnfolderBase]: 1233/3500 cut-off events. [2025-03-15 01:58:49,297 INFO L125 PetriNetUnfolderBase]: For 1819422/1819856 co-relation queries the response was YES. [2025-03-15 01:58:49,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131306 conditions, 3500 events. 1233/3500 cut-off events. For 1819422/1819856 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 29058 event pairs, 113 based on Foata normal form. 5/3383 useless extension candidates. Maximal degree in co-relation 130446. Up to 1632 conditions per place. [2025-03-15 01:58:49,373 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1035 selfloop transitions, 220 changer transitions 105/1379 dead transitions. [2025-03-15 01:58:49,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 922 places, 1379 transitions, 145193 flow [2025-03-15 01:58:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:58:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:58:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 980 transitions. [2025-03-15 01:58:49,374 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3641768859160163 [2025-03-15 01:58:49,374 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 849 predicate places. [2025-03-15 01:58:49,374 INFO L471 AbstractCegarLoop]: Abstraction has has 922 places, 1379 transitions, 145193 flow [2025-03-15 01:58:49,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:49,375 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:49,375 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] [2025-03-15 01:58:49,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2025-03-15 01:58:49,375 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:49,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash 711856366, now seen corresponding path program 6 times [2025-03-15 01:58:49,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:49,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420883360] [2025-03-15 01:58:49,376 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:58:49,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:49,382 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:58:49,382 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:49,693 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 01:58:49,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:49,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420883360] [2025-03-15 01:58:49,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420883360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:49,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:49,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:49,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215703783] [2025-03-15 01:58:49,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:49,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:49,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:49,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:49,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:49,694 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:49,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 922 places, 1379 transitions, 145193 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:49,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:49,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:49,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:53,080 INFO L124 PetriNetUnfolderBase]: 1265/3616 cut-off events. [2025-03-15 01:58:53,080 INFO L125 PetriNetUnfolderBase]: For 1867020/1867506 co-relation queries the response was YES. [2025-03-15 01:58:53,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 138156 conditions, 3616 events. 1265/3616 cut-off events. For 1867020/1867506 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 30412 event pairs, 113 based on Foata normal form. 5/3492 useless extension candidates. Maximal degree in co-relation 137281. Up to 1682 conditions per place. [2025-03-15 01:58:53,169 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1019 selfloop transitions, 315 changer transitions 144/1497 dead transitions. [2025-03-15 01:58:53,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 960 places, 1497 transitions, 158033 flow [2025-03-15 01:58:53,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:58:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:58:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 986 transitions. [2025-03-15 01:58:53,170 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3664065403195838 [2025-03-15 01:58:53,171 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 887 predicate places. [2025-03-15 01:58:53,171 INFO L471 AbstractCegarLoop]: Abstraction has has 960 places, 1497 transitions, 158033 flow [2025-03-15 01:58:53,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:53,171 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:53,171 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] [2025-03-15 01:58:53,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2025-03-15 01:58:53,171 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:53,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:53,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1961666868, now seen corresponding path program 7 times [2025-03-15 01:58:53,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:53,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051191234] [2025-03-15 01:58:53,172 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:58:53,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:58:53,467 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 01:58:53,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:53,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051191234] [2025-03-15 01:58:53,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051191234] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:53,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:53,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:53,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638222120] [2025-03-15 01:58:53,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:53,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:53,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:53,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:53,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:53,468 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:53,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 960 places, 1497 transitions, 158033 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:53,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:53,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:53,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:58:57,102 INFO L124 PetriNetUnfolderBase]: 1285/3669 cut-off events. [2025-03-15 01:58:57,102 INFO L125 PetriNetUnfolderBase]: For 1907060/1907598 co-relation queries the response was YES. [2025-03-15 01:58:57,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143551 conditions, 3669 events. 1285/3669 cut-off events. For 1907060/1907598 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 30991 event pairs, 113 based on Foata normal form. 5/3542 useless extension candidates. Maximal degree in co-relation 142661. Up to 1710 conditions per place. [2025-03-15 01:58:57,170 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1035 selfloop transitions, 335 changer transitions 153/1542 dead transitions. [2025-03-15 01:58:57,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1000 places, 1542 transitions, 164733 flow [2025-03-15 01:58:57,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-15 01:58:57,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2025-03-15 01:58:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1036 transitions. [2025-03-15 01:58:57,171 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36620714033227286 [2025-03-15 01:58:57,171 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 927 predicate places. [2025-03-15 01:58:57,171 INFO L471 AbstractCegarLoop]: Abstraction has has 1000 places, 1542 transitions, 164733 flow [2025-03-15 01:58:57,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:57,172 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:58:57,172 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] [2025-03-15 01:58:57,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2025-03-15 01:58:57,172 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:58:57,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:58:57,172 INFO L85 PathProgramCache]: Analyzing trace with hash -857613458, now seen corresponding path program 8 times [2025-03-15 01:58:57,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:58:57,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867074644] [2025-03-15 01:58:57,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:58:57,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:58:57,178 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:58:57,178 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:58:57,439 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 01:58:57,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:58:57,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867074644] [2025-03-15 01:58:57,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867074644] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:58:57,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:58:57,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:58:57,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821035374] [2025-03-15 01:58:57,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:58:57,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:58:57,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:58:57,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:58:57,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:58:57,440 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:58:57,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1000 places, 1542 transitions, 164733 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:58:57,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:58:57,441 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:58:57,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:01,493 INFO L124 PetriNetUnfolderBase]: 1304/3731 cut-off events. [2025-03-15 01:59:01,493 INFO L125 PetriNetUnfolderBase]: For 1951533/1952123 co-relation queries the response was YES. [2025-03-15 01:59:01,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149077 conditions, 3731 events. 1304/3731 cut-off events. For 1951533/1952123 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 31742 event pairs, 113 based on Foata normal form. 5/3601 useless extension candidates. Maximal degree in co-relation 148172. Up to 1735 conditions per place. [2025-03-15 01:59:01,574 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1026 selfloop transitions, 377 changer transitions 162/1584 dead transitions. [2025-03-15 01:59:01,574 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1046 places, 1584 transitions, 171647 flow [2025-03-15 01:59:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 01:59:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 01:59:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 1174 transitions. [2025-03-15 01:59:01,576 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3620104841196423 [2025-03-15 01:59:01,576 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 973 predicate places. [2025-03-15 01:59:01,576 INFO L471 AbstractCegarLoop]: Abstraction has has 1046 places, 1584 transitions, 171647 flow [2025-03-15 01:59:01,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:01,576 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:01,576 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] [2025-03-15 01:59:01,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-03-15 01:59:01,577 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:01,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1155890270, now seen corresponding path program 9 times [2025-03-15 01:59:01,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:01,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877915253] [2025-03-15 01:59:01,577 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:59:01,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:01,583 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:59:01,583 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:01,874 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 01:59:01,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:01,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877915253] [2025-03-15 01:59:01,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877915253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:01,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:01,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:01,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419875149] [2025-03-15 01:59:01,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:01,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:01,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:01,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:01,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:01,875 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:01,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1584 transitions, 171647 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:01,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:01,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:01,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:05,752 INFO L124 PetriNetUnfolderBase]: 1329/3806 cut-off events. [2025-03-15 01:59:05,752 INFO L125 PetriNetUnfolderBase]: For 1996388/1997030 co-relation queries the response was YES. [2025-03-15 01:59:05,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 155464 conditions, 3806 events. 1329/3806 cut-off events. For 1996388/1997030 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 32566 event pairs, 113 based on Foata normal form. 5/3669 useless extension candidates. Maximal degree in co-relation 154544. Up to 1771 conditions per place. [2025-03-15 01:59:05,849 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1178 selfloop transitions, 277 changer transitions 176/1650 dead transitions. [2025-03-15 01:59:05,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1085 places, 1650 transitions, 179825 flow [2025-03-15 01:59:05,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-15 01:59:05,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2025-03-15 01:59:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 1009 transitions. [2025-03-15 01:59:05,850 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3655797101449275 [2025-03-15 01:59:05,851 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1012 predicate places. [2025-03-15 01:59:05,851 INFO L471 AbstractCegarLoop]: Abstraction has has 1085 places, 1650 transitions, 179825 flow [2025-03-15 01:59:05,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:05,851 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:05,851 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] [2025-03-15 01:59:05,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2025-03-15 01:59:05,851 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:05,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:05,852 INFO L85 PathProgramCache]: Analyzing trace with hash -113403234, now seen corresponding path program 10 times [2025-03-15 01:59:05,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:05,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694807924] [2025-03-15 01:59:05,852 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:59:05,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:05,857 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:59:05,857 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:06,120 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 01:59:06,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:06,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694807924] [2025-03-15 01:59:06,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694807924] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:06,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:06,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:06,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527130195] [2025-03-15 01:59:06,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:06,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:06,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:06,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:06,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:06,122 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:06,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1085 places, 1650 transitions, 179825 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:06,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:06,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:06,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:09,788 INFO L124 PetriNetUnfolderBase]: 1336/3832 cut-off events. [2025-03-15 01:59:09,789 INFO L125 PetriNetUnfolderBase]: For 2021324/2022018 co-relation queries the response was YES. [2025-03-15 01:59:09,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159846 conditions, 3832 events. 1336/3832 cut-off events. For 2021324/2022018 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 32861 event pairs, 113 based on Foata normal form. 5/3694 useless extension candidates. Maximal degree in co-relation 158911. Up to 1779 conditions per place. [2025-03-15 01:59:10,042 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 1201 selfloop transitions, 270 changer transitions 183/1673 dead transitions. [2025-03-15 01:59:10,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1122 places, 1673 transitions, 185209 flow [2025-03-15 01:59:10,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:59:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:59:10,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 957 transitions. [2025-03-15 01:59:10,043 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36498855835240274 [2025-03-15 01:59:10,045 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1049 predicate places. [2025-03-15 01:59:10,045 INFO L471 AbstractCegarLoop]: Abstraction has has 1122 places, 1673 transitions, 185209 flow [2025-03-15 01:59:10,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:10,046 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:10,046 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] [2025-03-15 01:59:10,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2025-03-15 01:59:10,046 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:10,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:10,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1509493691, now seen corresponding path program 1 times [2025-03-15 01:59:10,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:10,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793180535] [2025-03-15 01:59:10,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:59:10,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:59:10,324 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 01:59:10,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:10,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793180535] [2025-03-15 01:59:10,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793180535] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:10,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:10,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:10,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984040116] [2025-03-15 01:59:10,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:10,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:10,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:10,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:10,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:10,325 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:10,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1122 places, 1673 transitions, 185209 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:10,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:10,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:10,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:14,455 INFO L124 PetriNetUnfolderBase]: 1351/3856 cut-off events. [2025-03-15 01:59:14,456 INFO L125 PetriNetUnfolderBase]: For 2046281/2046897 co-relation queries the response was YES. [2025-03-15 01:59:14,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165050 conditions, 3856 events. 1351/3856 cut-off events. For 2046281/2046897 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 33203 event pairs, 55 based on Foata normal form. 7/3719 useless extension candidates. Maximal degree in co-relation 164100. Up to 2009 conditions per place. [2025-03-15 01:59:14,541 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1337 selfloop transitions, 230 changer transitions 197/1783 dead transitions. [2025-03-15 01:59:14,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1157 places, 1783 transitions, 201157 flow [2025-03-15 01:59:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 01:59:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 01:59:14,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 919 transitions. [2025-03-15 01:59:14,543 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36996779388083734 [2025-03-15 01:59:14,543 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1084 predicate places. [2025-03-15 01:59:14,543 INFO L471 AbstractCegarLoop]: Abstraction has has 1157 places, 1783 transitions, 201157 flow [2025-03-15 01:59:14,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:14,544 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:14,544 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] [2025-03-15 01:59:14,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2025-03-15 01:59:14,544 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:14,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:14,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1687695987, now seen corresponding path program 2 times [2025-03-15 01:59:14,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:14,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115865785] [2025-03-15 01:59:14,545 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:59:14,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:14,550 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:59:14,550 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:14,839 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 01:59:14,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:14,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115865785] [2025-03-15 01:59:14,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115865785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:14,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:14,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:14,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999258277] [2025-03-15 01:59:14,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:14,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:14,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:14,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:14,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:14,840 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:14,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1157 places, 1783 transitions, 201157 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:14,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:14,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:14,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:19,202 INFO L124 PetriNetUnfolderBase]: 1375/3980 cut-off events. [2025-03-15 01:59:19,202 INFO L125 PetriNetUnfolderBase]: For 2086282/2086812 co-relation queries the response was YES. [2025-03-15 01:59:19,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 171490 conditions, 3980 events. 1375/3980 cut-off events. For 2086282/2086812 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 34677 event pairs, 55 based on Foata normal form. 7/3839 useless extension candidates. Maximal degree in co-relation 170525. Up to 2037 conditions per place. [2025-03-15 01:59:19,284 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1388 selfloop transitions, 236 changer transitions 209/1852 dead transitions. [2025-03-15 01:59:19,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1193 places, 1852 transitions, 210131 flow [2025-03-15 01:59:19,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 01:59:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 01:59:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 948 transitions. [2025-03-15 01:59:19,286 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.37132784958871917 [2025-03-15 01:59:19,286 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1120 predicate places. [2025-03-15 01:59:19,286 INFO L471 AbstractCegarLoop]: Abstraction has has 1193 places, 1852 transitions, 210131 flow [2025-03-15 01:59:19,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:19,287 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:19,287 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] [2025-03-15 01:59:19,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2025-03-15 01:59:19,287 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:19,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:19,287 INFO L85 PathProgramCache]: Analyzing trace with hash 660576580, now seen corresponding path program 11 times [2025-03-15 01:59:19,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:19,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476233018] [2025-03-15 01:59:19,288 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:59:19,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:19,294 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:59:19,294 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:19,551 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 01:59:19,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476233018] [2025-03-15 01:59:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476233018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:19,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:19,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:19,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185661853] [2025-03-15 01:59:19,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:19,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:19,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:19,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:19,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:19,553 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:19,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1193 places, 1852 transitions, 210131 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:19,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:19,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:19,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:24,270 INFO L124 PetriNetUnfolderBase]: 1391/4005 cut-off events. [2025-03-15 01:59:24,270 INFO L125 PetriNetUnfolderBase]: For 2123881/2124421 co-relation queries the response was YES. [2025-03-15 01:59:24,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177145 conditions, 4005 events. 1391/4005 cut-off events. For 2123881/2124421 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 34931 event pairs, 56 based on Foata normal form. 3/3857 useless extension candidates. Maximal degree in co-relation 176165. Up to 2079 conditions per place. [2025-03-15 01:59:24,354 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1417 selfloop transitions, 239 changer transitions 218/1893 dead transitions. [2025-03-15 01:59:24,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1230 places, 1893 transitions, 217453 flow [2025-03-15 01:59:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:59:24,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:59:24,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 967 transitions. [2025-03-15 01:59:24,356 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3688024408848207 [2025-03-15 01:59:24,356 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1157 predicate places. [2025-03-15 01:59:24,356 INFO L471 AbstractCegarLoop]: Abstraction has has 1230 places, 1893 transitions, 217453 flow [2025-03-15 01:59:24,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:24,356 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:24,356 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] [2025-03-15 01:59:24,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2025-03-15 01:59:24,356 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:24,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:24,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1083907482, now seen corresponding path program 12 times [2025-03-15 01:59:24,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:24,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475423094] [2025-03-15 01:59:24,357 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 01:59:24,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:24,362 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 01:59:24,362 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:24,624 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 01:59:24,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:24,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475423094] [2025-03-15 01:59:24,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475423094] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:24,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:24,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:24,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974895645] [2025-03-15 01:59:24,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:24,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:24,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:24,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:24,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:24,626 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:24,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1230 places, 1893 transitions, 217453 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:24,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:24,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:24,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:29,736 INFO L124 PetriNetUnfolderBase]: 1416/4113 cut-off events. [2025-03-15 01:59:29,737 INFO L125 PetriNetUnfolderBase]: For 2171756/2172232 co-relation queries the response was YES. [2025-03-15 01:59:29,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184287 conditions, 4113 events. 1416/4113 cut-off events. For 2171756/2172232 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 36298 event pairs, 56 based on Foata normal form. 3/3958 useless extension candidates. Maximal degree in co-relation 183292. Up to 2149 conditions per place. [2025-03-15 01:59:29,855 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1441 selfloop transitions, 272 changer transitions 232/1964 dead transitions. [2025-03-15 01:59:29,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1268 places, 1964 transitions, 227183 flow [2025-03-15 01:59:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:59:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:59:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 992 transitions. [2025-03-15 01:59:29,856 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36863619472315123 [2025-03-15 01:59:29,857 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1195 predicate places. [2025-03-15 01:59:29,857 INFO L471 AbstractCegarLoop]: Abstraction has has 1268 places, 1964 transitions, 227183 flow [2025-03-15 01:59:29,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:29,857 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:29,857 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] [2025-03-15 01:59:29,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2025-03-15 01:59:29,857 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:29,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:29,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1714515775, now seen corresponding path program 3 times [2025-03-15 01:59:29,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:29,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907521064] [2025-03-15 01:59:29,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:59:29,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:29,865 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:59:29,865 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:30,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:59:30,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907521064] [2025-03-15 01:59:30,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907521064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:30,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:30,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:30,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503114068] [2025-03-15 01:59:30,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:30,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:30,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:30,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:30,170 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:30,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1268 places, 1964 transitions, 227183 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:30,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:30,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:30,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:35,367 INFO L124 PetriNetUnfolderBase]: 1458/4223 cut-off events. [2025-03-15 01:59:35,367 INFO L125 PetriNetUnfolderBase]: For 2241138/2242026 co-relation queries the response was YES. [2025-03-15 01:59:35,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 193405 conditions, 4223 events. 1458/4223 cut-off events. For 2241138/2242026 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 37579 event pairs, 55 based on Foata normal form. 9/4064 useless extension candidates. Maximal degree in co-relation 192395. Up to 2206 conditions per place. [2025-03-15 01:59:35,462 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1491 selfloop transitions, 292 changer transitions 256/2058 dead transitions. [2025-03-15 01:59:35,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1305 places, 2058 transitions, 240381 flow [2025-03-15 01:59:35,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 01:59:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 01:59:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 975 transitions. [2025-03-15 01:59:35,464 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3718535469107552 [2025-03-15 01:59:35,464 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1232 predicate places. [2025-03-15 01:59:35,464 INFO L471 AbstractCegarLoop]: Abstraction has has 1305 places, 2058 transitions, 240381 flow [2025-03-15 01:59:35,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:35,464 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:35,464 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] [2025-03-15 01:59:35,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2025-03-15 01:59:35,464 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:35,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:35,465 INFO L85 PathProgramCache]: Analyzing trace with hash 958182946, now seen corresponding path program 13 times [2025-03-15 01:59:35,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:35,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332261377] [2025-03-15 01:59:35,465 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 01:59:35,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:59:35,770 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 01:59:35,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:35,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332261377] [2025-03-15 01:59:35,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332261377] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:35,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:35,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:35,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450115818] [2025-03-15 01:59:35,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:35,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:35,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:35,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:35,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:35,772 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:35,772 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1305 places, 2058 transitions, 240381 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:35,772 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:35,772 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:35,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:41,528 INFO L124 PetriNetUnfolderBase]: 1474/4312 cut-off events. [2025-03-15 01:59:41,528 INFO L125 PetriNetUnfolderBase]: For 2290240/2291118 co-relation queries the response was YES. [2025-03-15 01:59:41,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199336 conditions, 4312 events. 1474/4312 cut-off events. For 2290240/2291118 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 38661 event pairs, 55 based on Foata normal form. 3/4144 useless extension candidates. Maximal degree in co-relation 198311. Up to 2247 conditions per place. [2025-03-15 01:59:41,655 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1510 selfloop transitions, 299 changer transitions 265/2093 dead transitions. [2025-03-15 01:59:41,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1348 places, 2093 transitions, 248029 flow [2025-03-15 01:59:41,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-03-15 01:59:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2025-03-15 01:59:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 1109 transitions. [2025-03-15 01:59:41,657 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3652832674571805 [2025-03-15 01:59:41,657 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1275 predicate places. [2025-03-15 01:59:41,658 INFO L471 AbstractCegarLoop]: Abstraction has has 1348 places, 2093 transitions, 248029 flow [2025-03-15 01:59:41,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:41,658 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:41,658 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] [2025-03-15 01:59:41,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2025-03-15 01:59:41,658 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:41,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:41,659 INFO L85 PathProgramCache]: Analyzing trace with hash -378774071, now seen corresponding path program 4 times [2025-03-15 01:59:41,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:41,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244087127] [2025-03-15 01:59:41,659 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 01:59:41,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:41,665 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 01:59:41,666 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:42,029 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 01:59:42,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:42,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244087127] [2025-03-15 01:59:42,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244087127] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:42,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:42,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:42,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922864967] [2025-03-15 01:59:42,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:42,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:42,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:42,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:42,030 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:42,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1348 places, 2093 transitions, 248029 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:42,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:42,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:42,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:47,767 INFO L124 PetriNetUnfolderBase]: 1498/4359 cut-off events. [2025-03-15 01:59:47,767 INFO L125 PetriNetUnfolderBase]: For 2341872/2342830 co-relation queries the response was YES. [2025-03-15 01:59:47,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206183 conditions, 4359 events. 1498/4359 cut-off events. For 2341872/2342830 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 39200 event pairs, 55 based on Foata normal form. 9/4193 useless extension candidates. Maximal degree in co-relation 205143. Up to 2272 conditions per place. [2025-03-15 01:59:47,870 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 1584 selfloop transitions, 258 changer transitions 276/2137 dead transitions. [2025-03-15 01:59:47,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1382 places, 2137 transitions, 256905 flow [2025-03-15 01:59:47,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-03-15 01:59:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2025-03-15 01:59:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 895 transitions. [2025-03-15 01:59:47,871 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.37060041407867494 [2025-03-15 01:59:47,872 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1309 predicate places. [2025-03-15 01:59:47,872 INFO L471 AbstractCegarLoop]: Abstraction has has 1382 places, 2137 transitions, 256905 flow [2025-03-15 01:59:47,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:47,872 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:47,872 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] [2025-03-15 01:59:47,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2025-03-15 01:59:47,872 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:47,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:47,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1309311727, now seen corresponding path program 5 times [2025-03-15 01:59:47,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:47,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30693430] [2025-03-15 01:59:47,873 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 01:59:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:47,878 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:59:47,878 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:48,170 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 01:59:48,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:48,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30693430] [2025-03-15 01:59:48,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30693430] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:48,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:48,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:48,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861754009] [2025-03-15 01:59:48,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:48,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:48,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:48,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:48,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:48,171 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:48,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1382 places, 2137 transitions, 256905 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:48,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:48,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:48,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:59:54,260 INFO L124 PetriNetUnfolderBase]: 1513/4424 cut-off events. [2025-03-15 01:59:54,260 INFO L125 PetriNetUnfolderBase]: For 2391172/2392254 co-relation queries the response was YES. [2025-03-15 01:59:54,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 212124 conditions, 4424 events. 1513/4424 cut-off events. For 2391172/2392254 co-relation queries the response was YES. Maximal size of possible extension queue 247. Compared 39934 event pairs, 55 based on Foata normal form. 13/4260 useless extension candidates. Maximal degree in co-relation 211069. Up to 2287 conditions per place. [2025-03-15 01:59:54,374 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1544 selfloop transitions, 323 changer transitions 286/2172 dead transitions. [2025-03-15 01:59:54,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1420 places, 2172 transitions, 264863 flow [2025-03-15 01:59:54,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 01:59:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 01:59:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 998 transitions. [2025-03-15 01:59:54,375 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3708658491267187 [2025-03-15 01:59:54,376 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1347 predicate places. [2025-03-15 01:59:54,376 INFO L471 AbstractCegarLoop]: Abstraction has has 1420 places, 2172 transitions, 264863 flow [2025-03-15 01:59:54,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:54,376 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:59:54,376 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] [2025-03-15 01:59:54,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2025-03-15 01:59:54,376 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:59:54,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:59:54,377 INFO L85 PathProgramCache]: Analyzing trace with hash 28605922, now seen corresponding path program 14 times [2025-03-15 01:59:54,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:59:54,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832568300] [2025-03-15 01:59:54,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:59:54,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:59:54,384 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:59:54,384 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:59:54,658 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 01:59:54,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:59:54,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832568300] [2025-03-15 01:59:54,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832568300] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:59:54,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:59:54,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 01:59:54,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857520206] [2025-03-15 01:59:54,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:59:54,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 01:59:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:59:54,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 01:59:54,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 01:59:54,660 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 01:59:54,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1420 places, 2172 transitions, 264863 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 01:59:54,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:59:54,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 01:59:54,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:00,842 INFO L124 PetriNetUnfolderBase]: 1520/4429 cut-off events. [2025-03-15 02:00:00,843 INFO L125 PetriNetUnfolderBase]: For 2433181/2434157 co-relation queries the response was YES. [2025-03-15 02:00:00,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217173 conditions, 4429 events. 1520/4429 cut-off events. For 2433181/2434157 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 40057 event pairs, 57 based on Foata normal form. 3/4254 useless extension candidates. Maximal degree in co-relation 216103. Up to 2309 conditions per place. [2025-03-15 02:00:00,942 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1624 selfloop transitions, 265 changer transitions 294/2202 dead transitions. [2025-03-15 02:00:00,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1458 places, 2202 transitions, 272013 flow [2025-03-15 02:00:00,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:00:00,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:00:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 982 transitions. [2025-03-15 02:00:00,944 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3649201040505388 [2025-03-15 02:00:00,944 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1385 predicate places. [2025-03-15 02:00:00,944 INFO L471 AbstractCegarLoop]: Abstraction has has 1458 places, 2202 transitions, 272013 flow [2025-03-15 02:00:00,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:00,944 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:00,945 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] [2025-03-15 02:00:00,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2025-03-15 02:00:00,945 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:00,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash 2085505958, now seen corresponding path program 15 times [2025-03-15 02:00:00,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:00,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32926858] [2025-03-15 02:00:00,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:00:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:00,951 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:00:00,951 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:01,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:01,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32926858] [2025-03-15 02:00:01,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32926858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:01,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:01,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:01,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907722667] [2025-03-15 02:00:01,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:01,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:01,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:01,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:01,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:01,246 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:01,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1458 places, 2202 transitions, 272013 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:01,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:01,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:01,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:07,314 INFO L124 PetriNetUnfolderBase]: 1519/4401 cut-off events. [2025-03-15 02:00:07,314 INFO L125 PetriNetUnfolderBase]: For 2446402/2447588 co-relation queries the response was YES. [2025-03-15 02:00:07,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220993 conditions, 4401 events. 1519/4401 cut-off events. For 2446402/2447588 co-relation queries the response was YES. Maximal size of possible extension queue 245. Compared 39669 event pairs, 55 based on Foata normal form. 3/4229 useless extension candidates. Maximal degree in co-relation 219908. Up to 2307 conditions per place. [2025-03-15 02:00:07,422 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1619 selfloop transitions, 273 changer transitions 297/2208 dead transitions. [2025-03-15 02:00:07,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1494 places, 2208 transitions, 277255 flow [2025-03-15 02:00:07,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 02:00:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 02:00:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 937 transitions. [2025-03-15 02:00:07,424 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3670191931061496 [2025-03-15 02:00:07,424 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1421 predicate places. [2025-03-15 02:00:07,424 INFO L471 AbstractCegarLoop]: Abstraction has has 1494 places, 2208 transitions, 277255 flow [2025-03-15 02:00:07,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:07,424 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:07,424 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] [2025-03-15 02:00:07,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2025-03-15 02:00:07,425 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:07,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:07,425 INFO L85 PathProgramCache]: Analyzing trace with hash -824691293, now seen corresponding path program 6 times [2025-03-15 02:00:07,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:07,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868406630] [2025-03-15 02:00:07,425 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:00:07,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:07,432 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:00:07,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:07,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:07,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868406630] [2025-03-15 02:00:07,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868406630] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:07,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:07,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:07,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573724691] [2025-03-15 02:00:07,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:07,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:07,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:07,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:07,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:07,719 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:07,719 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1494 places, 2208 transitions, 277255 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:07,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:07,719 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:07,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:14,037 INFO L124 PetriNetUnfolderBase]: 1534/4464 cut-off events. [2025-03-15 02:00:14,038 INFO L125 PetriNetUnfolderBase]: For 2492427/2494135 co-relation queries the response was YES. [2025-03-15 02:00:14,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227104 conditions, 4464 events. 1534/4464 cut-off events. For 2492427/2494135 co-relation queries the response was YES. Maximal size of possible extension queue 252. Compared 40527 event pairs, 55 based on Foata normal form. 7/4294 useless extension candidates. Maximal degree in co-relation 226004. Up to 2322 conditions per place. [2025-03-15 02:00:14,177 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1667 selfloop transitions, 248 changer transitions 306/2240 dead transitions. [2025-03-15 02:00:14,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1530 places, 2240 transitions, 285421 flow [2025-03-15 02:00:14,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 02:00:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 02:00:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 951 transitions. [2025-03-15 02:00:14,179 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.372502937720329 [2025-03-15 02:00:14,180 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1457 predicate places. [2025-03-15 02:00:14,180 INFO L471 AbstractCegarLoop]: Abstraction has has 1530 places, 2240 transitions, 285421 flow [2025-03-15 02:00:14,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:14,180 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:14,180 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] [2025-03-15 02:00:14,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2025-03-15 02:00:14,180 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:14,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:14,181 INFO L85 PathProgramCache]: Analyzing trace with hash 869337019, now seen corresponding path program 7 times [2025-03-15 02:00:14,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:14,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568531546] [2025-03-15 02:00:14,181 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:00:14,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:00:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:14,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:14,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568531546] [2025-03-15 02:00:14,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568531546] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:14,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:14,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:14,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144667328] [2025-03-15 02:00:14,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:14,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:14,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:14,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:14,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:14,578 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:14,578 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1530 places, 2240 transitions, 285421 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:14,578 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:14,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:14,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:20,918 INFO L124 PetriNetUnfolderBase]: 1574/4594 cut-off events. [2025-03-15 02:00:20,918 INFO L125 PetriNetUnfolderBase]: For 2584873/2586395 co-relation queries the response was YES. [2025-03-15 02:00:20,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 237210 conditions, 4594 events. 1574/4594 cut-off events. For 2584873/2586395 co-relation queries the response was YES. Maximal size of possible extension queue 259. Compared 42009 event pairs, 40 based on Foata normal form. 15/4424 useless extension candidates. Maximal degree in co-relation 236095. Up to 2379 conditions per place. [2025-03-15 02:00:21,042 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1587 selfloop transitions, 430 changer transitions 362/2398 dead transitions. [2025-03-15 02:00:21,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1567 places, 2398 transitions, 308511 flow [2025-03-15 02:00:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:00:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:00:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 965 transitions. [2025-03-15 02:00:21,044 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36803966437833713 [2025-03-15 02:00:21,044 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1494 predicate places. [2025-03-15 02:00:21,044 INFO L471 AbstractCegarLoop]: Abstraction has has 1567 places, 2398 transitions, 308511 flow [2025-03-15 02:00:21,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:21,044 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:21,044 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] [2025-03-15 02:00:21,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2025-03-15 02:00:21,045 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:21,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:21,046 INFO L85 PathProgramCache]: Analyzing trace with hash 548540381, now seen corresponding path program 8 times [2025-03-15 02:00:21,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:21,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842600148] [2025-03-15 02:00:21,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:00:21,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:21,051 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:00:21,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:21,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:21,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842600148] [2025-03-15 02:00:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842600148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:21,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:21,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:21,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867145928] [2025-03-15 02:00:21,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:21,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:21,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:21,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:21,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:21,371 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:21,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1567 places, 2398 transitions, 308511 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:21,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:21,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:21,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:28,622 INFO L124 PetriNetUnfolderBase]: 1632/4811 cut-off events. [2025-03-15 02:00:28,622 INFO L125 PetriNetUnfolderBase]: For 2711294/2712832 co-relation queries the response was YES. [2025-03-15 02:00:28,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250210 conditions, 4811 events. 1632/4811 cut-off events. For 2711294/2712832 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 44736 event pairs, 39 based on Foata normal form. 15/4629 useless extension candidates. Maximal degree in co-relation 249080. Up to 2464 conditions per place. [2025-03-15 02:00:28,737 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1785 selfloop transitions, 333 changer transitions 380/2517 dead transitions. [2025-03-15 02:00:28,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1604 places, 2517 transitions, 326413 flow [2025-03-15 02:00:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:00:28,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:00:28,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 969 transitions. [2025-03-15 02:00:28,738 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3695652173913043 [2025-03-15 02:00:28,738 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1531 predicate places. [2025-03-15 02:00:28,739 INFO L471 AbstractCegarLoop]: Abstraction has has 1604 places, 2517 transitions, 326413 flow [2025-03-15 02:00:28,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:28,739 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:28,739 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] [2025-03-15 02:00:28,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2025-03-15 02:00:28,739 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:28,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:28,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1550991069, now seen corresponding path program 9 times [2025-03-15 02:00:28,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:28,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329238020] [2025-03-15 02:00:28,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:00:28,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:28,745 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:00:28,745 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:29,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329238020] [2025-03-15 02:00:29,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329238020] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:29,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:29,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:29,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951524418] [2025-03-15 02:00:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:29,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:29,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:29,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:29,003 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:29,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1604 places, 2517 transitions, 326413 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:29,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:29,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:29,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:36,750 INFO L124 PetriNetUnfolderBase]: 1656/4881 cut-off events. [2025-03-15 02:00:36,751 INFO L125 PetriNetUnfolderBase]: For 2774034/2775642 co-relation queries the response was YES. [2025-03-15 02:00:36,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258389 conditions, 4881 events. 1656/4881 cut-off events. For 2774034/2775642 co-relation queries the response was YES. Maximal size of possible extension queue 285. Compared 45606 event pairs, 40 based on Foata normal form. 15/4695 useless extension candidates. Maximal degree in co-relation 257244. Up to 2496 conditions per place. [2025-03-15 02:00:36,881 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1823 selfloop transitions, 334 changer transitions 391/2567 dead transitions. [2025-03-15 02:00:36,882 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 2567 transitions, 337389 flow [2025-03-15 02:00:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 02:00:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 02:00:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 912 transitions. [2025-03-15 02:00:36,884 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3671497584541063 [2025-03-15 02:00:36,884 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1566 predicate places. [2025-03-15 02:00:36,884 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 2567 transitions, 337389 flow [2025-03-15 02:00:36,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:36,884 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:36,885 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] [2025-03-15 02:00:36,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2025-03-15 02:00:36,885 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:36,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:36,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1070641303, now seen corresponding path program 10 times [2025-03-15 02:00:36,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:36,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575890695] [2025-03-15 02:00:36,885 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:00:36,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:36,892 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:00:36,892 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:37,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:37,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575890695] [2025-03-15 02:00:37,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575890695] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:37,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:37,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:37,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752128854] [2025-03-15 02:00:37,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:37,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:37,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:37,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:37,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:37,206 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:37,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 2567 transitions, 337389 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:37,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:37,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:37,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:45,173 INFO L124 PetriNetUnfolderBase]: 1680/4982 cut-off events. [2025-03-15 02:00:45,173 INFO L125 PetriNetUnfolderBase]: For 2856769/2858691 co-relation queries the response was YES. [2025-03-15 02:00:45,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266311 conditions, 4982 events. 1680/4982 cut-off events. For 2856769/2858691 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 46923 event pairs, 39 based on Foata normal form. 15/4792 useless extension candidates. Maximal degree in co-relation 265151. Up to 2542 conditions per place. [2025-03-15 02:00:45,325 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 1840 selfloop transitions, 349 changer transitions 402/2610 dead transitions. [2025-03-15 02:00:45,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1674 places, 2610 transitions, 347965 flow [2025-03-15 02:00:45,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 02:00:45,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 02:00:45,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 916 transitions. [2025-03-15 02:00:45,326 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3687600644122383 [2025-03-15 02:00:45,326 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1601 predicate places. [2025-03-15 02:00:45,327 INFO L471 AbstractCegarLoop]: Abstraction has has 1674 places, 2610 transitions, 347965 flow [2025-03-15 02:00:45,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:45,327 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:45,327 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] [2025-03-15 02:00:45,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2025-03-15 02:00:45,327 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:45,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:45,327 INFO L85 PathProgramCache]: Analyzing trace with hash -617444495, now seen corresponding path program 11 times [2025-03-15 02:00:45,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:45,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192734540] [2025-03-15 02:00:45,328 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:00:45,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:45,334 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:00:45,334 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:45,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:45,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192734540] [2025-03-15 02:00:45,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192734540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:45,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:45,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:45,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22634034] [2025-03-15 02:00:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:45,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:45,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:45,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:45,603 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:45,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1674 places, 2610 transitions, 347965 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:45,604 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:45,604 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:45,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:00:54,179 INFO L124 PetriNetUnfolderBase]: 1696/5011 cut-off events. [2025-03-15 02:00:54,179 INFO L125 PetriNetUnfolderBase]: For 2908591/2910927 co-relation queries the response was YES. [2025-03-15 02:00:54,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273113 conditions, 5011 events. 1696/5011 cut-off events. For 2908591/2910927 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 47236 event pairs, 39 based on Foata normal form. 13/4817 useless extension candidates. Maximal degree in co-relation 271938. Up to 2582 conditions per place. [2025-03-15 02:00:54,333 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1873 selfloop transitions, 339 changer transitions 411/2642 dead transitions. [2025-03-15 02:00:54,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1711 places, 2642 transitions, 357255 flow [2025-03-15 02:00:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:00:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:00:54,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 957 transitions. [2025-03-15 02:00:54,334 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36498855835240274 [2025-03-15 02:00:54,335 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1638 predicate places. [2025-03-15 02:00:54,335 INFO L471 AbstractCegarLoop]: Abstraction has has 1711 places, 2642 transitions, 357255 flow [2025-03-15 02:00:54,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:54,335 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:00:54,335 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] [2025-03-15 02:00:54,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2025-03-15 02:00:54,335 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:00:54,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:00:54,336 INFO L85 PathProgramCache]: Analyzing trace with hash 11588423, now seen corresponding path program 12 times [2025-03-15 02:00:54,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:00:54,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438602296] [2025-03-15 02:00:54,336 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:00:54,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:00:54,345 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:00:54,345 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:00:54,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:00:54,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:00:54,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438602296] [2025-03-15 02:00:54,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438602296] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:00:54,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:00:54,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:00:54,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824961950] [2025-03-15 02:00:54,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:00:54,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:00:54,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:00:54,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:00:54,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:00:54,796 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:00:54,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1711 places, 2642 transitions, 357255 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:00:54,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:00:54,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:00:54,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:03,381 INFO L124 PetriNetUnfolderBase]: 1724/5076 cut-off events. [2025-03-15 02:01:03,381 INFO L125 PetriNetUnfolderBase]: For 2970565/2972979 co-relation queries the response was YES. [2025-03-15 02:01:03,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281724 conditions, 5076 events. 1724/5076 cut-off events. For 2970565/2972979 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 48054 event pairs, 40 based on Foata normal form. 17/4882 useless extension candidates. Maximal degree in co-relation 280534. Up to 2645 conditions per place. [2025-03-15 02:01:03,727 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1729 selfloop transitions, 524 changer transitions 422/2694 dead transitions. [2025-03-15 02:01:03,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1750 places, 2694 transitions, 369193 flow [2025-03-15 02:01:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-15 02:01:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2025-03-15 02:01:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 1015 transitions. [2025-03-15 02:01:03,728 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3677536231884058 [2025-03-15 02:01:03,729 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1677 predicate places. [2025-03-15 02:01:03,729 INFO L471 AbstractCegarLoop]: Abstraction has has 1750 places, 2694 transitions, 369193 flow [2025-03-15 02:01:03,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:03,729 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:03,729 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] [2025-03-15 02:01:03,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2025-03-15 02:01:03,729 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:03,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:03,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1988356293, now seen corresponding path program 13 times [2025-03-15 02:01:03,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:03,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607392490] [2025-03-15 02:01:03,730 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:01:03,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:01:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:04,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:04,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607392490] [2025-03-15 02:01:04,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607392490] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:04,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:04,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:04,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187555691] [2025-03-15 02:01:04,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:04,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:04,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:04,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:04,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:04,024 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:04,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1750 places, 2694 transitions, 369193 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:04,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:04,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:04,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:12,934 INFO L124 PetriNetUnfolderBase]: 1752/5162 cut-off events. [2025-03-15 02:01:12,934 INFO L125 PetriNetUnfolderBase]: For 3055321/3057863 co-relation queries the response was YES. [2025-03-15 02:01:12,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 290612 conditions, 5162 events. 1752/5162 cut-off events. For 3055321/3057863 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 49016 event pairs, 43 based on Foata normal form. 17/4964 useless extension candidates. Maximal degree in co-relation 289407. Up to 2711 conditions per place. [2025-03-15 02:01:13,091 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1720 selfloop transitions, 572 changer transitions 433/2744 dead transitions. [2025-03-15 02:01:13,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1795 places, 2744 transitions, 381419 flow [2025-03-15 02:01:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-03-15 02:01:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2025-03-15 02:01:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 1154 transitions. [2025-03-15 02:01:13,092 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3635790800252048 [2025-03-15 02:01:13,093 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1722 predicate places. [2025-03-15 02:01:13,093 INFO L471 AbstractCegarLoop]: Abstraction has has 1795 places, 2744 transitions, 381419 flow [2025-03-15 02:01:13,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:13,093 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:13,093 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:01:13,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2025-03-15 02:01:13,093 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:13,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:13,094 INFO L85 PathProgramCache]: Analyzing trace with hash 875554205, now seen corresponding path program 14 times [2025-03-15 02:01:13,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:13,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396739247] [2025-03-15 02:01:13,094 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:01:13,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:13,099 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:01:13,099 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:13,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:13,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396739247] [2025-03-15 02:01:13,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396739247] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:13,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:13,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:13,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587769646] [2025-03-15 02:01:13,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:13,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:13,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:13,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:13,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:13,603 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:13,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1795 places, 2744 transitions, 381419 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:13,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:13,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:13,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:22,578 INFO L124 PetriNetUnfolderBase]: 1776/5209 cut-off events. [2025-03-15 02:01:22,578 INFO L125 PetriNetUnfolderBase]: For 3143008/3146056 co-relation queries the response was YES. [2025-03-15 02:01:22,596 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299067 conditions, 5209 events. 1776/5209 cut-off events. For 3143008/3146056 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 49580 event pairs, 43 based on Foata normal form. 11/5001 useless extension candidates. Maximal degree in co-relation 297847. Up to 2769 conditions per place. [2025-03-15 02:01:22,759 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1950 selfloop transitions, 380 changer transitions 444/2793 dead transitions. [2025-03-15 02:01:22,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1832 places, 2793 transitions, 393077 flow [2025-03-15 02:01:22,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:01:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:01:22,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 951 transitions. [2025-03-15 02:01:22,760 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36270022883295194 [2025-03-15 02:01:22,761 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1759 predicate places. [2025-03-15 02:01:22,761 INFO L471 AbstractCegarLoop]: Abstraction has has 1832 places, 2793 transitions, 393077 flow [2025-03-15 02:01:22,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:22,761 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:22,761 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] [2025-03-15 02:01:22,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2025-03-15 02:01:22,761 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:22,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -460187499, now seen corresponding path program 15 times [2025-03-15 02:01:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:22,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476895053] [2025-03-15 02:01:22,762 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:01:22,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:22,769 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:01:22,769 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:23,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:23,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476895053] [2025-03-15 02:01:23,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476895053] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:23,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:23,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:23,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437954791] [2025-03-15 02:01:23,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:23,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:23,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:23,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:23,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:23,222 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:23,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1832 places, 2793 transitions, 393077 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:23,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:23,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:23,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:33,130 INFO L124 PetriNetUnfolderBase]: 1818/5350 cut-off events. [2025-03-15 02:01:33,131 INFO L125 PetriNetUnfolderBase]: For 3237484/3240990 co-relation queries the response was YES. [2025-03-15 02:01:33,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310568 conditions, 5350 events. 1818/5350 cut-off events. For 3237484/3240990 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 51442 event pairs, 40 based on Foata normal form. 11/5132 useless extension candidates. Maximal degree in co-relation 309333. Up to 2872 conditions per place. [2025-03-15 02:01:33,279 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 1989 selfloop transitions, 403 changer transitions 461/2872 dead transitions. [2025-03-15 02:01:33,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1870 places, 2872 transitions, 408655 flow [2025-03-15 02:01:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:01:33,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:01:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 988 transitions. [2025-03-15 02:01:33,280 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3671497584541063 [2025-03-15 02:01:33,281 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1797 predicate places. [2025-03-15 02:01:33,281 INFO L471 AbstractCegarLoop]: Abstraction has has 1870 places, 2872 transitions, 408655 flow [2025-03-15 02:01:33,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:33,281 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:33,281 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] [2025-03-15 02:01:33,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2025-03-15 02:01:33,281 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:33,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:33,284 INFO L85 PathProgramCache]: Analyzing trace with hash -378369353, now seen corresponding path program 16 times [2025-03-15 02:01:33,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:33,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900954984] [2025-03-15 02:01:33,284 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:01:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:33,290 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:01:33,290 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:33,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:33,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900954984] [2025-03-15 02:01:33,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900954984] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:33,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:33,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:33,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838431984] [2025-03-15 02:01:33,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:33,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:33,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:33,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:33,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:33,543 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:33,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1870 places, 2872 transitions, 408655 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:33,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:33,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:33,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:43,059 INFO L124 PetriNetUnfolderBase]: 1817/5385 cut-off events. [2025-03-15 02:01:43,059 INFO L125 PetriNetUnfolderBase]: For 3275338/3278603 co-relation queries the response was YES. [2025-03-15 02:01:43,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315195 conditions, 5385 events. 1817/5385 cut-off events. For 3275338/3278603 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 51910 event pairs, 40 based on Foata normal form. 19/5179 useless extension candidates. Maximal degree in co-relation 313945. Up to 2870 conditions per place. [2025-03-15 02:01:43,235 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 1999 selfloop transitions, 395 changer transitions 465/2878 dead transitions. [2025-03-15 02:01:43,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1908 places, 2878 transitions, 415577 flow [2025-03-15 02:01:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:01:43,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:01:43,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 986 transitions. [2025-03-15 02:01:43,237 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3664065403195838 [2025-03-15 02:01:43,237 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1835 predicate places. [2025-03-15 02:01:43,237 INFO L471 AbstractCegarLoop]: Abstraction has has 1908 places, 2878 transitions, 415577 flow [2025-03-15 02:01:43,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:43,237 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:43,237 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] [2025-03-15 02:01:43,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2025-03-15 02:01:43,238 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:43,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:43,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1117028270, now seen corresponding path program 16 times [2025-03-15 02:01:43,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:43,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044719597] [2025-03-15 02:01:43,239 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:01:43,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:43,245 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:01:43,245 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:43,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:43,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044719597] [2025-03-15 02:01:43,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044719597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:43,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:43,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:43,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952118788] [2025-03-15 02:01:43,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:43,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:43,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:43,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:43,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:43,569 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:43,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1908 places, 2878 transitions, 415577 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:43,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:43,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:43,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:01:53,566 INFO L124 PetriNetUnfolderBase]: 1824/5354 cut-off events. [2025-03-15 02:01:53,566 INFO L125 PetriNetUnfolderBase]: For 3303651/3307873 co-relation queries the response was YES. [2025-03-15 02:01:53,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321280 conditions, 5354 events. 1824/5354 cut-off events. For 3303651/3307873 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 51465 event pairs, 42 based on Foata normal form. 3/5131 useless extension candidates. Maximal degree in co-relation 320015. Up to 2878 conditions per place. [2025-03-15 02:01:53,938 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 2069 selfloop transitions, 347 changer transitions 473/2908 dead transitions. [2025-03-15 02:01:53,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1940 places, 2908 transitions, 424919 flow [2025-03-15 02:01:53,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-03-15 02:01:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2025-03-15 02:01:53,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 836 transitions. [2025-03-15 02:01:53,941 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3671497584541063 [2025-03-15 02:01:53,941 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1867 predicate places. [2025-03-15 02:01:53,941 INFO L471 AbstractCegarLoop]: Abstraction has has 1940 places, 2908 transitions, 424919 flow [2025-03-15 02:01:53,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:53,941 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:01:53,942 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] [2025-03-15 02:01:53,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2025-03-15 02:01:53,942 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:01:53,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:01:53,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1467886590, now seen corresponding path program 17 times [2025-03-15 02:01:53,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:01:53,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382164696] [2025-03-15 02:01:53,943 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:01:53,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:01:53,966 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:01:53,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:01:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:01:54,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:01:54,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382164696] [2025-03-15 02:01:54,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382164696] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:01:54,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:01:54,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:01:54,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743709935] [2025-03-15 02:01:54,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:01:54,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:01:54,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:01:54,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:01:54,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:01:54,347 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:01:54,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1940 places, 2908 transitions, 424919 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:01:54,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:01:54,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:01:54,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:05,856 INFO L124 PetriNetUnfolderBase]: 1840/5392 cut-off events. [2025-03-15 02:02:05,857 INFO L125 PetriNetUnfolderBase]: For 3348010/3351726 co-relation queries the response was YES. [2025-03-15 02:02:05,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329063 conditions, 5392 events. 1840/5392 cut-off events. For 3348010/3351726 co-relation queries the response was YES. Maximal size of possible extension queue 340. Compared 52056 event pairs, 40 based on Foata normal form. 3/5166 useless extension candidates. Maximal degree in co-relation 327783. Up to 2899 conditions per place. [2025-03-15 02:02:06,026 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2127 selfloop transitions, 327 changer transitions 482/2955 dead transitions. [2025-03-15 02:02:06,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1976 places, 2955 transitions, 436425 flow [2025-03-15 02:02:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 02:02:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 02:02:06,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 933 transitions. [2025-03-15 02:02:06,028 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3654524089306698 [2025-03-15 02:02:06,028 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1903 predicate places. [2025-03-15 02:02:06,028 INFO L471 AbstractCegarLoop]: Abstraction has has 1976 places, 2955 transitions, 436425 flow [2025-03-15 02:02:06,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:06,028 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:06,028 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] [2025-03-15 02:02:06,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2025-03-15 02:02:06,029 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:02:06,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:06,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1697995793, now seen corresponding path program 17 times [2025-03-15 02:02:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69265189] [2025-03-15 02:02:06,029 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:02:06,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:06,037 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:02:06,037 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:02:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:02:06,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:06,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69265189] [2025-03-15 02:02:06,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69265189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:06,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:06,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:02:06,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888038498] [2025-03-15 02:02:06,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:06,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:02:06,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:06,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:02:06,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:02:06,380 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:02:06,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1976 places, 2955 transitions, 436425 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:06,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:06,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:02:06,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:18,378 INFO L124 PetriNetUnfolderBase]: 1864/5488 cut-off events. [2025-03-15 02:02:18,378 INFO L125 PetriNetUnfolderBase]: For 3440314/3444102 co-relation queries the response was YES. [2025-03-15 02:02:18,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338146 conditions, 5488 events. 1864/5488 cut-off events. For 3440314/3444102 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 53261 event pairs, 42 based on Foata normal form. 13/5268 useless extension candidates. Maximal degree in co-relation 336851. Up to 2957 conditions per place. [2025-03-15 02:02:18,542 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2173 selfloop transitions, 318 changer transitions 493/3003 dead transitions. [2025-03-15 02:02:18,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2012 places, 3003 transitions, 448921 flow [2025-03-15 02:02:18,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 02:02:18,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 02:02:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 944 transitions. [2025-03-15 02:02:18,543 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36976106541323933 [2025-03-15 02:02:18,544 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1939 predicate places. [2025-03-15 02:02:18,544 INFO L471 AbstractCegarLoop]: Abstraction has has 2012 places, 3003 transitions, 448921 flow [2025-03-15 02:02:18,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:18,544 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:18,544 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] [2025-03-15 02:02:18,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2025-03-15 02:02:18,544 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:02:18,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:18,545 INFO L85 PathProgramCache]: Analyzing trace with hash 835915932, now seen corresponding path program 18 times [2025-03-15 02:02:18,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:18,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240247375] [2025-03-15 02:02:18,545 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:02:18,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:18,550 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:02:18,550 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:02:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:02:18,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:18,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240247375] [2025-03-15 02:02:18,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240247375] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:18,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:18,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:02:18,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10357941] [2025-03-15 02:02:18,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:18,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:02:18,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:18,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:02:18,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:02:18,810 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:02:18,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2012 places, 3003 transitions, 448921 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:18,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:18,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:02:18,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:30,881 INFO L124 PetriNetUnfolderBase]: 1880/5535 cut-off events. [2025-03-15 02:02:30,881 INFO L125 PetriNetUnfolderBase]: For 3477134/3481426 co-relation queries the response was YES. [2025-03-15 02:02:30,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346105 conditions, 5535 events. 1880/5535 cut-off events. For 3477134/3481426 co-relation queries the response was YES. Maximal size of possible extension queue 356. Compared 53894 event pairs, 40 based on Foata normal form. 3/5302 useless extension candidates. Maximal degree in co-relation 344795. Up to 2978 conditions per place. [2025-03-15 02:02:31,042 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2184 selfloop transitions, 340 changer transitions 502/3045 dead transitions. [2025-03-15 02:02:31,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2049 places, 3045 transitions, 460425 flow [2025-03-15 02:02:31,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:02:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:02:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 948 transitions. [2025-03-15 02:02:31,043 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36155606407322655 [2025-03-15 02:02:31,044 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 1976 predicate places. [2025-03-15 02:02:31,044 INFO L471 AbstractCegarLoop]: Abstraction has has 2049 places, 3045 transitions, 460425 flow [2025-03-15 02:02:31,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:31,044 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:31,044 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] [2025-03-15 02:02:31,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2025-03-15 02:02:31,044 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:02:31,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:31,045 INFO L85 PathProgramCache]: Analyzing trace with hash -17381283, now seen corresponding path program 18 times [2025-03-15 02:02:31,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:31,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343358423] [2025-03-15 02:02:31,045 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:02:31,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:31,050 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:02:31,050 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:02:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:02:31,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:31,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343358423] [2025-03-15 02:02:31,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343358423] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:31,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:31,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:02:31,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60282948] [2025-03-15 02:02:31,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:31,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:02:31,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:31,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:02:31,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:02:31,347 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:02:31,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2049 places, 3045 transitions, 460425 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:31,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:31,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:02:31,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:43,998 INFO L124 PetriNetUnfolderBase]: 1895/5642 cut-off events. [2025-03-15 02:02:43,998 INFO L125 PetriNetUnfolderBase]: For 3578044/3581432 co-relation queries the response was YES. [2025-03-15 02:02:44,014 INFO L83 FinitePrefix]: Finished finitePrefix Result has 353774 conditions, 5642 events. 1895/5642 cut-off events. For 3578044/3581432 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 55449 event pairs, 41 based on Foata normal form. 21/5425 useless extension candidates. Maximal degree in co-relation 352449. Up to 3016 conditions per place. [2025-03-15 02:02:44,162 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2214 selfloop transitions, 337 changer transitions 512/3082 dead transitions. [2025-03-15 02:02:44,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2084 places, 3082 transitions, 471615 flow [2025-03-15 02:02:44,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-03-15 02:02:44,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2025-03-15 02:02:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 914 transitions. [2025-03-15 02:02:44,163 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3679549114331723 [2025-03-15 02:02:44,163 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2011 predicate places. [2025-03-15 02:02:44,163 INFO L471 AbstractCegarLoop]: Abstraction has has 2084 places, 3082 transitions, 471615 flow [2025-03-15 02:02:44,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:44,163 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:44,163 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] [2025-03-15 02:02:44,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2025-03-15 02:02:44,164 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:02:44,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:44,164 INFO L85 PathProgramCache]: Analyzing trace with hash -907205765, now seen corresponding path program 19 times [2025-03-15 02:02:44,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:44,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390408574] [2025-03-15 02:02:44,164 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:02:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:02:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:02:44,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:44,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390408574] [2025-03-15 02:02:44,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390408574] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:44,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:44,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:02:44,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888908718] [2025-03-15 02:02:44,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:44,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:02:44,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:44,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:02:44,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:02:44,493 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:02:44,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2084 places, 3082 transitions, 471615 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:44,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:44,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:02:44,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:02:58,279 INFO L124 PetriNetUnfolderBase]: 1937/5757 cut-off events. [2025-03-15 02:02:58,279 INFO L125 PetriNetUnfolderBase]: For 3747210/3751668 co-relation queries the response was YES. [2025-03-15 02:02:58,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366542 conditions, 5757 events. 1937/5757 cut-off events. For 3747210/3751668 co-relation queries the response was YES. Maximal size of possible extension queue 371. Compared 56619 event pairs, 41 based on Foata normal form. 19/5528 useless extension candidates. Maximal degree in co-relation 365202. Up to 3120 conditions per place. [2025-03-15 02:02:58,449 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2252 selfloop transitions, 366 changer transitions 529/3166 dead transitions. [2025-03-15 02:02:58,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2121 places, 3166 transitions, 489381 flow [2025-03-15 02:02:58,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:02:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:02:58,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 971 transitions. [2025-03-15 02:02:58,450 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3703279938977879 [2025-03-15 02:02:58,450 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2048 predicate places. [2025-03-15 02:02:58,450 INFO L471 AbstractCegarLoop]: Abstraction has has 2121 places, 3166 transitions, 489381 flow [2025-03-15 02:02:58,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:58,451 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:02:58,451 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] [2025-03-15 02:02:58,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2025-03-15 02:02:58,451 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:02:58,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:02:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash 782351931, now seen corresponding path program 20 times [2025-03-15 02:02:58,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:02:58,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457566233] [2025-03-15 02:02:58,452 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:02:58,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:02:58,457 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:02:58,457 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:02:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:02:58,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:02:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457566233] [2025-03-15 02:02:58,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457566233] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:02:58,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:02:58,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:02:58,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916698179] [2025-03-15 02:02:58,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:02:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:02:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:02:58,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:02:58,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:02:58,711 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:02:58,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2121 places, 3166 transitions, 489381 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:02:58,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:02:58,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:02:58,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:03:12,082 INFO L124 PetriNetUnfolderBase]: 1961/5791 cut-off events. [2025-03-15 02:03:12,082 INFO L125 PetriNetUnfolderBase]: For 3779845/3784219 co-relation queries the response was YES. [2025-03-15 02:03:12,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375779 conditions, 5791 events. 1961/5791 cut-off events. For 3779845/3784219 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 57076 event pairs, 45 based on Foata normal form. 17/5556 useless extension candidates. Maximal degree in co-relation 374424. Up to 3177 conditions per place. [2025-03-15 02:03:12,441 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2265 selfloop transitions, 384 changer transitions 540/3208 dead transitions. [2025-03-15 02:03:12,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2159 places, 3208 transitions, 502087 flow [2025-03-15 02:03:12,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:03:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:03:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 994 transitions. [2025-03-15 02:03:12,443 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36937941285767373 [2025-03-15 02:03:12,443 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2086 predicate places. [2025-03-15 02:03:12,443 INFO L471 AbstractCegarLoop]: Abstraction has has 2159 places, 3208 transitions, 502087 flow [2025-03-15 02:03:12,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:12,443 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:03:12,443 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] [2025-03-15 02:03:12,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2025-03-15 02:03:12,443 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:03:12,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:03:12,444 INFO L85 PathProgramCache]: Analyzing trace with hash -131706088, now seen corresponding path program 19 times [2025-03-15 02:03:12,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:03:12,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681061854] [2025-03-15 02:03:12,444 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:03:12,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:03:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:03:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:03:12,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:03:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681061854] [2025-03-15 02:03:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681061854] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:03:12,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:03:12,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:03:12,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046883500] [2025-03-15 02:03:12,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:03:12,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:03:12,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:03:12,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:03:12,725 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:03:12,726 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:03:12,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2159 places, 3208 transitions, 502087 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:12,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:03:12,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:03:12,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:03:27,694 INFO L124 PetriNetUnfolderBase]: 1986/5907 cut-off events. [2025-03-15 02:03:27,694 INFO L125 PetriNetUnfolderBase]: For 3832123/3836885 co-relation queries the response was YES. [2025-03-15 02:03:27,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386035 conditions, 5907 events. 1986/5907 cut-off events. For 3832123/3836885 co-relation queries the response was YES. Maximal size of possible extension queue 396. Compared 58872 event pairs, 41 based on Foata normal form. 3/5651 useless extension candidates. Maximal degree in co-relation 384665. Up to 3213 conditions per place. [2025-03-15 02:03:27,911 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2301 selfloop transitions, 396 changer transitions 553/3269 dead transitions. [2025-03-15 02:03:27,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2196 places, 3269 transitions, 517053 flow [2025-03-15 02:03:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:03:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:03:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 958 transitions. [2025-03-15 02:03:27,913 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36536994660564454 [2025-03-15 02:03:27,913 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2123 predicate places. [2025-03-15 02:03:27,913 INFO L471 AbstractCegarLoop]: Abstraction has has 2196 places, 3269 transitions, 517053 flow [2025-03-15 02:03:27,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:27,914 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:03:27,914 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] [2025-03-15 02:03:27,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2025-03-15 02:03:27,914 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:03:27,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:03:27,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1039819130, now seen corresponding path program 20 times [2025-03-15 02:03:27,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:03:27,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130248154] [2025-03-15 02:03:27,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:03:27,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:03:27,930 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:03:27,930 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:03:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:03:28,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:03:28,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130248154] [2025-03-15 02:03:28,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130248154] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:03:28,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:03:28,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:03:28,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473590587] [2025-03-15 02:03:28,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:03:28,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:03:28,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:03:28,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:03:28,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:03:28,247 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:03:28,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2196 places, 3269 transitions, 517053 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:28,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:03:28,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:03:28,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:03:43,471 INFO L124 PetriNetUnfolderBase]: 1993/5915 cut-off events. [2025-03-15 02:03:43,471 INFO L125 PetriNetUnfolderBase]: For 3916867/3922029 co-relation queries the response was YES. [2025-03-15 02:03:43,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392787 conditions, 5915 events. 1993/5915 cut-off events. For 3916867/3922029 co-relation queries the response was YES. Maximal size of possible extension queue 395. Compared 58840 event pairs, 43 based on Foata normal form. 3/5658 useless extension candidates. Maximal degree in co-relation 391402. Up to 3221 conditions per place. [2025-03-15 02:03:43,674 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2305 selfloop transitions, 412 changer transitions 561/3297 dead transitions. [2025-03-15 02:03:43,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2234 places, 3297 transitions, 527485 flow [2025-03-15 02:03:43,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:03:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:03:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 981 transitions. [2025-03-15 02:03:43,676 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36454849498327757 [2025-03-15 02:03:43,676 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2161 predicate places. [2025-03-15 02:03:43,676 INFO L471 AbstractCegarLoop]: Abstraction has has 2234 places, 3297 transitions, 527485 flow [2025-03-15 02:03:43,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:43,676 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:03:43,676 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] [2025-03-15 02:03:43,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2025-03-15 02:03:43,676 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:03:43,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:03:43,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1402151328, now seen corresponding path program 21 times [2025-03-15 02:03:43,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:03:43,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791813634] [2025-03-15 02:03:43,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:03:43,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:03:43,687 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:03:43,687 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:03:43,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:03:43,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:03:43,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791813634] [2025-03-15 02:03:43,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791813634] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:03:43,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:03:43,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:03:43,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154580048] [2025-03-15 02:03:43,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:03:43,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:03:43,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:03:43,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:03:43,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:03:43,955 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:03:43,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2234 places, 3297 transitions, 527485 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:43,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:03:43,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:03:43,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:03:59,466 INFO L124 PetriNetUnfolderBase]: 2000/5955 cut-off events. [2025-03-15 02:03:59,466 INFO L125 PetriNetUnfolderBase]: For 3944988/3949704 co-relation queries the response was YES. [2025-03-15 02:03:59,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 399615 conditions, 5955 events. 2000/5955 cut-off events. For 3944988/3949704 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 59365 event pairs, 47 based on Foata normal form. 3/5697 useless extension candidates. Maximal degree in co-relation 398215. Up to 3229 conditions per place. [2025-03-15 02:03:59,663 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2400 selfloop transitions, 335 changer transitions 568/3322 dead transitions. [2025-03-15 02:03:59,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2270 places, 3322 transitions, 537765 flow [2025-03-15 02:03:59,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-03-15 02:03:59,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2025-03-15 02:03:59,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 936 transitions. [2025-03-15 02:03:59,664 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36662749706227965 [2025-03-15 02:03:59,665 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2197 predicate places. [2025-03-15 02:03:59,665 INFO L471 AbstractCegarLoop]: Abstraction has has 2270 places, 3322 transitions, 537765 flow [2025-03-15 02:03:59,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:59,665 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:03:59,665 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] [2025-03-15 02:03:59,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2025-03-15 02:03:59,665 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:03:59,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:03:59,666 INFO L85 PathProgramCache]: Analyzing trace with hash 428535939, now seen corresponding path program 21 times [2025-03-15 02:03:59,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:03:59,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511649538] [2025-03-15 02:03:59,666 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:03:59,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:03:59,673 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:03:59,673 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:03:59,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:03:59,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:03:59,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511649538] [2025-03-15 02:03:59,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511649538] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:03:59,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:03:59,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:03:59,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231989732] [2025-03-15 02:03:59,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:03:59,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:03:59,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:03:59,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:03:59,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:03:59,937 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:03:59,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2270 places, 3322 transitions, 537765 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:03:59,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:03:59,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:03:59,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:04:16,753 INFO L124 PetriNetUnfolderBase]: 2015/5978 cut-off events. [2025-03-15 02:04:16,753 INFO L125 PetriNetUnfolderBase]: For 4048533/4054127 co-relation queries the response was YES. [2025-03-15 02:04:16,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 407746 conditions, 5978 events. 2015/5978 cut-off events. For 4048533/4054127 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 59511 event pairs, 41 based on Foata normal form. 11/5726 useless extension candidates. Maximal degree in co-relation 406331. Up to 3267 conditions per place. [2025-03-15 02:04:16,987 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2412 selfloop transitions, 346 changer transitions 577/3354 dead transitions. [2025-03-15 02:04:16,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2307 places, 3354 transitions, 549503 flow [2025-03-15 02:04:16,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:04:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:04:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 959 transitions. [2025-03-15 02:04:16,988 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36575133485888633 [2025-03-15 02:04:16,988 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2234 predicate places. [2025-03-15 02:04:16,988 INFO L471 AbstractCegarLoop]: Abstraction has has 2307 places, 3354 transitions, 549503 flow [2025-03-15 02:04:16,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:16,989 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:04:16,989 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] [2025-03-15 02:04:16,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2025-03-15 02:04:16,989 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:04:16,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:04:16,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1800645310, now seen corresponding path program 22 times [2025-03-15 02:04:16,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:04:16,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632823170] [2025-03-15 02:04:16,990 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:04:16,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:04:16,996 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:04:16,996 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:17,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:04:17,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632823170] [2025-03-15 02:04:17,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632823170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:04:17,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:04:17,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:04:17,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367332887] [2025-03-15 02:04:17,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:04:17,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:04:17,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:04:17,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:04:17,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:04:17,438 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:04:17,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2307 places, 3354 transitions, 549503 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:17,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:04:17,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:04:17,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:04:34,966 INFO L124 PetriNetUnfolderBase]: 2059/6136 cut-off events. [2025-03-15 02:04:34,966 INFO L125 PetriNetUnfolderBase]: For 4130694/4136410 co-relation queries the response was YES. [2025-03-15 02:04:34,989 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421642 conditions, 6136 events. 2059/6136 cut-off events. For 4130694/4136410 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 61656 event pairs, 24 based on Foata normal form. 3/5873 useless extension candidates. Maximal degree in co-relation 420212. Up to 3324 conditions per place. [2025-03-15 02:04:35,188 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 2440 selfloop transitions, 429 changer transitions 585/3473 dead transitions. [2025-03-15 02:04:35,188 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2345 places, 3473 transitions, 573693 flow [2025-03-15 02:04:35,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:04:35,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:04:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 963 transitions. [2025-03-15 02:04:35,189 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.35785953177257523 [2025-03-15 02:04:35,190 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2272 predicate places. [2025-03-15 02:04:35,190 INFO L471 AbstractCegarLoop]: Abstraction has has 2345 places, 3473 transitions, 573693 flow [2025-03-15 02:04:35,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:35,190 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:04:35,190 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] [2025-03-15 02:04:35,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2025-03-15 02:04:35,190 INFO L396 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:04:35,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:04:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1939329712, now seen corresponding path program 23 times [2025-03-15 02:04:35,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:04:35,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551264163] [2025-03-15 02:04:35,191 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:04:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:04:35,197 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:04:35,197 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:35,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:04:35,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551264163] [2025-03-15 02:04:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551264163] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:04:35,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:04:35,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:04:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928028781] [2025-03-15 02:04:35,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:04:35,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:04:35,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:04:35,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:04:35,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:04:35,464 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:04:35,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2345 places, 3473 transitions, 573693 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:35,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:04:35,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:04:35,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:04:54,332 INFO L124 PetriNetUnfolderBase]: 2107/6229 cut-off events. [2025-03-15 02:04:54,332 INFO L125 PetriNetUnfolderBase]: For 4196414/4201672 co-relation queries the response was YES. [2025-03-15 02:04:54,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 436957 conditions, 6229 events. 2107/6229 cut-off events. For 4196414/4201672 co-relation queries the response was YES. Maximal size of possible extension queue 420. Compared 62657 event pairs, 28 based on Foata normal form. 3/5957 useless extension candidates. Maximal degree in co-relation 435512. Up to 3405 conditions per place. [2025-03-15 02:04:54,569 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2500 selfloop transitions, 456 changer transitions 603/3578 dead transitions. [2025-03-15 02:04:54,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2385 places, 3578 transitions, 597479 flow [2025-03-15 02:04:54,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-15 02:04:54,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2025-03-15 02:04:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1028 transitions. [2025-03-15 02:04:54,571 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3633792859667727 [2025-03-15 02:04:54,571 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2312 predicate places. [2025-03-15 02:04:54,571 INFO L471 AbstractCegarLoop]: Abstraction has has 2385 places, 3578 transitions, 597479 flow [2025-03-15 02:04:54,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:54,571 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:04:54,572 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] [2025-03-15 02:04:54,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2025-03-15 02:04:54,572 INFO L396 AbstractCegarLoop]: === Iteration 99 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:04:54,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:04:54,572 INFO L85 PathProgramCache]: Analyzing trace with hash 921252674, now seen corresponding path program 24 times [2025-03-15 02:04:54,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:04:54,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569806089] [2025-03-15 02:04:54,572 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:04:54,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:04:54,579 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:04:54,579 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:54,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:04:54,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569806089] [2025-03-15 02:04:54,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569806089] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:04:54,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:04:54,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:04:54,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777737101] [2025-03-15 02:04:54,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:04:54,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:04:54,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:04:54,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:04:54,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:04:54,858 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:04:54,859 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2385 places, 3578 transitions, 597479 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:04:54,859 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:04:54,859 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:04:54,859 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:05:14,191 INFO L124 PetriNetUnfolderBase]: 2139/6431 cut-off events. [2025-03-15 02:05:14,191 INFO L125 PetriNetUnfolderBase]: For 4305160/4311118 co-relation queries the response was YES. [2025-03-15 02:05:14,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 449752 conditions, 6431 events. 2139/6431 cut-off events. For 4305160/4311118 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 65641 event pairs, 28 based on Foata normal form. 3/6152 useless extension candidates. Maximal degree in co-relation 448292. Up to 3455 conditions per place. [2025-03-15 02:05:14,416 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2651 selfloop transitions, 391 changer transitions 631/3692 dead transitions. [2025-03-15 02:05:14,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2423 places, 3692 transitions, 623029 flow [2025-03-15 02:05:14,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:05:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:05:14,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 981 transitions. [2025-03-15 02:05:14,417 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36454849498327757 [2025-03-15 02:05:14,417 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2350 predicate places. [2025-03-15 02:05:14,417 INFO L471 AbstractCegarLoop]: Abstraction has has 2423 places, 3692 transitions, 623029 flow [2025-03-15 02:05:14,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:05:14,418 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:05:14,418 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] [2025-03-15 02:05:14,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2025-03-15 02:05:14,418 INFO L396 AbstractCegarLoop]: === Iteration 100 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:05:14,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:05:14,418 INFO L85 PathProgramCache]: Analyzing trace with hash -234512062, now seen corresponding path program 25 times [2025-03-15 02:05:14,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:05:14,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302356529] [2025-03-15 02:05:14,419 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:05:14,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:05:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:05:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:05:14,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:05:14,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302356529] [2025-03-15 02:05:14,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302356529] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:05:14,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:05:14,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:05:14,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311788388] [2025-03-15 02:05:14,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:05:14,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:05:14,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:05:14,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:05:14,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:05:14,832 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:05:14,832 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2423 places, 3692 transitions, 623029 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:05:14,832 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:05:14,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:05:14,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:05:38,203 INFO L124 PetriNetUnfolderBase]: 2159/6408 cut-off events. [2025-03-15 02:05:38,203 INFO L125 PetriNetUnfolderBase]: For 4403517/4409665 co-relation queries the response was YES. [2025-03-15 02:05:38,225 INFO L83 FinitePrefix]: Finished finitePrefix Result has 459574 conditions, 6408 events. 2159/6408 cut-off events. For 4403517/4409665 co-relation queries the response was YES. Maximal size of possible extension queue 434. Compared 64912 event pairs, 27 based on Foata normal form. 3/6126 useless extension candidates. Maximal degree in co-relation 458099. Up to 3483 conditions per place. [2025-03-15 02:05:38,452 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2587 selfloop transitions, 491 changer transitions 640/3737 dead transitions. [2025-03-15 02:05:38,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2469 places, 3737 transitions, 638037 flow [2025-03-15 02:05:38,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 02:05:38,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 02:05:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 1166 transitions. [2025-03-15 02:05:38,454 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3595436324390996 [2025-03-15 02:05:38,454 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2396 predicate places. [2025-03-15 02:05:38,454 INFO L471 AbstractCegarLoop]: Abstraction has has 2469 places, 3737 transitions, 638037 flow [2025-03-15 02:05:38,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:05:38,454 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:05:38,454 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] [2025-03-15 02:05:38,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2025-03-15 02:05:38,455 INFO L396 AbstractCegarLoop]: === Iteration 101 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:05:38,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:05:38,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1339289310, now seen corresponding path program 26 times [2025-03-15 02:05:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:05:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249875505] [2025-03-15 02:05:38,456 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:05:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:05:38,462 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:05:38,462 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:05:38,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:05:38,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:05:38,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249875505] [2025-03-15 02:05:38,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249875505] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:05:38,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:05:38,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:05:38,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584809978] [2025-03-15 02:05:38,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:05:38,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:05:38,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:05:38,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:05:38,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:05:38,857 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:05:38,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2469 places, 3737 transitions, 638037 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:05:38,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:05:38,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:05:38,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:06:00,711 INFO L124 PetriNetUnfolderBase]: 2207/6594 cut-off events. [2025-03-15 02:06:00,711 INFO L125 PetriNetUnfolderBase]: For 4530533/4536425 co-relation queries the response was YES. [2025-03-15 02:06:00,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476499 conditions, 6594 events. 2207/6594 cut-off events. For 4530533/4536425 co-relation queries the response was YES. Maximal size of possible extension queue 448. Compared 67334 event pairs, 25 based on Foata normal form. 3/6303 useless extension candidates. Maximal degree in co-relation 475009. Up to 3561 conditions per place. [2025-03-15 02:06:00,958 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2699 selfloop transitions, 471 changer transitions 655/3844 dead transitions. [2025-03-15 02:06:00,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2508 places, 3844 transitions, 662793 flow [2025-03-15 02:06:00,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-15 02:06:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2025-03-15 02:06:00,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 1001 transitions. [2025-03-15 02:06:00,959 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36268115942028983 [2025-03-15 02:06:00,960 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2435 predicate places. [2025-03-15 02:06:00,960 INFO L471 AbstractCegarLoop]: Abstraction has has 2508 places, 3844 transitions, 662793 flow [2025-03-15 02:06:00,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:00,960 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:06:00,960 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] [2025-03-15 02:06:00,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2025-03-15 02:06:00,960 INFO L396 AbstractCegarLoop]: === Iteration 102 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:06:00,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:06:00,961 INFO L85 PathProgramCache]: Analyzing trace with hash 434833146, now seen corresponding path program 27 times [2025-03-15 02:06:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:06:00,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653623598] [2025-03-15 02:06:00,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:06:00,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:06:00,966 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:06:00,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:06:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:06:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:06:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653623598] [2025-03-15 02:06:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653623598] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:06:01,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:06:01,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:06:01,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170150110] [2025-03-15 02:06:01,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:06:01,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:06:01,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:06:01,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:06:01,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:06:01,231 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:06:01,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2508 places, 3844 transitions, 662793 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:01,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:06:01,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:06:01,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:06:26,348 INFO L124 PetriNetUnfolderBase]: 2223/6672 cut-off events. [2025-03-15 02:06:26,349 INFO L125 PetriNetUnfolderBase]: For 4604034/4610176 co-relation queries the response was YES. [2025-03-15 02:06:26,375 INFO L83 FinitePrefix]: Finished finitePrefix Result has 485814 conditions, 6672 events. 2223/6672 cut-off events. For 4604034/4610176 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 68549 event pairs, 24 based on Foata normal form. 3/6378 useless extension candidates. Maximal degree in co-relation 484309. Up to 3580 conditions per place. [2025-03-15 02:06:26,613 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2723 selfloop transitions, 476 changer transitions 664/3882 dead transitions. [2025-03-15 02:06:26,613 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2546 places, 3882 transitions, 676663 flow [2025-03-15 02:06:26,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:06:26,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:06:26,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 966 transitions. [2025-03-15 02:06:26,614 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.358974358974359 [2025-03-15 02:06:26,614 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2473 predicate places. [2025-03-15 02:06:26,614 INFO L471 AbstractCegarLoop]: Abstraction has has 2546 places, 3882 transitions, 676663 flow [2025-03-15 02:06:26,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:26,615 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:06:26,615 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] [2025-03-15 02:06:26,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2025-03-15 02:06:26,615 INFO L396 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:06:26,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:06:26,616 INFO L85 PathProgramCache]: Analyzing trace with hash 638736344, now seen corresponding path program 28 times [2025-03-15 02:06:26,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:06:26,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775313260] [2025-03-15 02:06:26,616 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:06:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:06:26,622 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:06:26,622 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:06:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:06:26,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:06:26,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775313260] [2025-03-15 02:06:26,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775313260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:06:26,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:06:26,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:06:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721387577] [2025-03-15 02:06:26,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:06:26,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:06:26,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:06:26,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:06:26,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:06:26,941 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:06:26,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2546 places, 3882 transitions, 676663 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:26,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:06:26,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:06:26,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:06:52,645 INFO L124 PetriNetUnfolderBase]: 2231/6701 cut-off events. [2025-03-15 02:06:52,645 INFO L125 PetriNetUnfolderBase]: For 4670033/4676191 co-relation queries the response was YES. [2025-03-15 02:06:52,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 493586 conditions, 6701 events. 2231/6701 cut-off events. For 4670033/4676191 co-relation queries the response was YES. Maximal size of possible extension queue 462. Compared 68928 event pairs, 27 based on Foata normal form. 3/6406 useless extension candidates. Maximal degree in co-relation 492066. Up to 3588 conditions per place. [2025-03-15 02:06:52,902 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 2736 selfloop transitions, 479 changer transitions 671/3905 dead transitions. [2025-03-15 02:06:52,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2583 places, 3905 transitions, 688305 flow [2025-03-15 02:06:52,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:06:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:06:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 949 transitions. [2025-03-15 02:06:52,903 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36193745232646835 [2025-03-15 02:06:52,904 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2510 predicate places. [2025-03-15 02:06:52,904 INFO L471 AbstractCegarLoop]: Abstraction has has 2583 places, 3905 transitions, 688305 flow [2025-03-15 02:06:52,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:52,904 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:06:52,904 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] [2025-03-15 02:06:52,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2025-03-15 02:06:52,904 INFO L396 AbstractCegarLoop]: === Iteration 104 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:06:52,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:06:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash -254295920, now seen corresponding path program 29 times [2025-03-15 02:06:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:06:52,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651730293] [2025-03-15 02:06:52,905 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:06:52,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:06:52,912 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:06:52,912 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:06:53,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:06:53,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:06:53,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651730293] [2025-03-15 02:06:53,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651730293] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:06:53,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:06:53,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:06:53,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545737375] [2025-03-15 02:06:53,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:06:53,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:06:53,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:06:53,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:06:53,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:06:53,229 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:06:53,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2583 places, 3905 transitions, 688305 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:06:53,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:06:53,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:06:53,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:19,672 INFO L124 PetriNetUnfolderBase]: 2256/6798 cut-off events. [2025-03-15 02:07:19,673 INFO L125 PetriNetUnfolderBase]: For 4765300/4771792 co-relation queries the response was YES. [2025-03-15 02:07:19,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 506688 conditions, 6798 events. 2256/6798 cut-off events. For 4765300/4771792 co-relation queries the response was YES. Maximal size of possible extension queue 469. Compared 70149 event pairs, 27 based on Foata normal form. 3/6496 useless extension candidates. Maximal degree in co-relation 505153. Up to 3639 conditions per place. [2025-03-15 02:07:19,931 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2793 selfloop transitions, 479 changer transitions 684/3975 dead transitions. [2025-03-15 02:07:19,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2620 places, 3975 transitions, 707481 flow [2025-03-15 02:07:19,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:07:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:07:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 951 transitions. [2025-03-15 02:07:19,933 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36270022883295194 [2025-03-15 02:07:19,933 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2547 predicate places. [2025-03-15 02:07:19,933 INFO L471 AbstractCegarLoop]: Abstraction has has 2620 places, 3975 transitions, 707481 flow [2025-03-15 02:07:19,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:19,934 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:19,934 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] [2025-03-15 02:07:19,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2025-03-15 02:07:19,934 INFO L396 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:07:19,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:19,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1383332512, now seen corresponding path program 30 times [2025-03-15 02:07:19,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:19,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443905484] [2025-03-15 02:07:19,935 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:07:19,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:19,942 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:07:19,942 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:07:20,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:20,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:20,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443905484] [2025-03-15 02:07:20,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443905484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:20,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:20,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:07:20,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428337340] [2025-03-15 02:07:20,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:20,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:07:20,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:20,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:07:20,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:07:20,213 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:07:20,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2620 places, 3975 transitions, 707481 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:20,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:20,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:07:20,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:48,245 INFO L124 PetriNetUnfolderBase]: 2276/6834 cut-off events. [2025-03-15 02:07:48,245 INFO L125 PetriNetUnfolderBase]: For 4803384/4809598 co-relation queries the response was YES. [2025-03-15 02:07:48,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 516971 conditions, 6834 events. 2276/6834 cut-off events. For 4803384/4809598 co-relation queries the response was YES. Maximal size of possible extension queue 477. Compared 70654 event pairs, 25 based on Foata normal form. 3/6529 useless extension candidates. Maximal degree in co-relation 515421. Up to 3667 conditions per place. [2025-03-15 02:07:48,524 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2870 selfloop transitions, 438 changer transitions 693/4020 dead transitions. [2025-03-15 02:07:48,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2660 places, 4020 transitions, 723097 flow [2025-03-15 02:07:48,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-03-15 02:07:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2025-03-15 02:07:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 1031 transitions. [2025-03-15 02:07:48,526 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3644397313538353 [2025-03-15 02:07:48,526 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2587 predicate places. [2025-03-15 02:07:48,526 INFO L471 AbstractCegarLoop]: Abstraction has has 2660 places, 4020 transitions, 723097 flow [2025-03-15 02:07:48,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:48,526 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:48,526 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] [2025-03-15 02:07:48,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2025-03-15 02:07:48,526 INFO L396 AbstractCegarLoop]: === Iteration 106 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:07:48,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1807581374, now seen corresponding path program 31 times [2025-03-15 02:07:48,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:48,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251970484] [2025-03-15 02:07:48,527 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-03-15 02:07:48,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:48,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:48,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251970484] [2025-03-15 02:07:48,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251970484] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:48,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:48,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:07:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113737798] [2025-03-15 02:07:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:48,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:07:48,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:48,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:07:48,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:07:48,785 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:07:48,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2660 places, 4020 transitions, 723097 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:48,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:48,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:07:48,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:08:17,899 INFO L124 PetriNetUnfolderBase]: 2295/6887 cut-off events. [2025-03-15 02:08:17,899 INFO L125 PetriNetUnfolderBase]: For 4936812/4943296 co-relation queries the response was YES. [2025-03-15 02:08:17,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527261 conditions, 6887 events. 2295/6887 cut-off events. For 4936812/4943296 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 71276 event pairs, 26 based on Foata normal form. 3/6579 useless extension candidates. Maximal degree in co-relation 525696. Up to 3692 conditions per place. [2025-03-15 02:08:18,170 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2874 selfloop transitions, 467 changer transitions 702/4062 dead transitions. [2025-03-15 02:08:18,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2706 places, 4062 transitions, 738663 flow [2025-03-15 02:08:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-03-15 02:08:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2025-03-15 02:08:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 1169 transitions. [2025-03-15 02:08:18,172 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36046870181930313 [2025-03-15 02:08:18,172 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2633 predicate places. [2025-03-15 02:08:18,172 INFO L471 AbstractCegarLoop]: Abstraction has has 2706 places, 4062 transitions, 738663 flow [2025-03-15 02:08:18,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:08:18,172 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:08:18,172 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] [2025-03-15 02:08:18,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2025-03-15 02:08:18,172 INFO L396 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:08:18,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:08:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1138236166, now seen corresponding path program 32 times [2025-03-15 02:08:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:08:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807538401] [2025-03-15 02:08:18,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 02:08:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:08:18,178 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:08:18,179 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:08:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:08:18,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:08:18,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807538401] [2025-03-15 02:08:18,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807538401] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:08:18,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:08:18,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:08:18,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660379708] [2025-03-15 02:08:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:08:18,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:08:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:08:18,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:08:18,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:08:18,431 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:08:18,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2706 places, 4062 transitions, 738663 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:08:18,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:08:18,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:08:18,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:08:47,676 INFO L124 PetriNetUnfolderBase]: 2316/6992 cut-off events. [2025-03-15 02:08:47,676 INFO L125 PetriNetUnfolderBase]: For 5065249/5071403 co-relation queries the response was YES. [2025-03-15 02:08:47,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538468 conditions, 6992 events. 2316/6992 cut-off events. For 5065249/5071403 co-relation queries the response was YES. Maximal size of possible extension queue 485. Compared 72691 event pairs, 25 based on Foata normal form. 3/6681 useless extension candidates. Maximal degree in co-relation 536888. Up to 3718 conditions per place. [2025-03-15 02:08:47,957 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2957 selfloop transitions, 429 changer transitions 711/4116 dead transitions. [2025-03-15 02:08:47,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2744 places, 4116 transitions, 755749 flow [2025-03-15 02:08:47,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:08:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:08:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 969 transitions. [2025-03-15 02:08:47,959 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.3600891861761427 [2025-03-15 02:08:47,959 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2671 predicate places. [2025-03-15 02:08:47,959 INFO L471 AbstractCegarLoop]: Abstraction has has 2744 places, 4116 transitions, 755749 flow [2025-03-15 02:08:47,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:08:47,959 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:08:47,959 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:08:47,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2025-03-15 02:08:47,959 INFO L396 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:08:47,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:08:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1309597480, now seen corresponding path program 33 times [2025-03-15 02:08:47,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:08:47,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85779293] [2025-03-15 02:08:47,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:08:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:08:47,966 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 02:08:47,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:08:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:08:48,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:08:48,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85779293] [2025-03-15 02:08:48,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85779293] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:08:48,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:08:48,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:08:48,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061912375] [2025-03-15 02:08:48,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:08:48,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:08:48,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:08:48,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:08:48,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:08:48,235 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:08:48,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2744 places, 4116 transitions, 755749 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:08:48,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:08:48,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:08:48,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:09:19,377 INFO L124 PetriNetUnfolderBase]: 2332/7003 cut-off events. [2025-03-15 02:09:19,378 INFO L125 PetriNetUnfolderBase]: For 5113631/5120777 co-relation queries the response was YES. [2025-03-15 02:09:19,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549557 conditions, 7003 events. 2332/7003 cut-off events. For 5113631/5120777 co-relation queries the response was YES. Maximal size of possible extension queue 489. Compared 72703 event pairs, 27 based on Foata normal form. 3/6689 useless extension candidates. Maximal degree in co-relation 547962. Up to 3760 conditions per place. [2025-03-15 02:09:19,662 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2928 selfloop transitions, 494 changer transitions 720/4161 dead transitions. [2025-03-15 02:09:19,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2781 places, 4161 transitions, 771833 flow [2025-03-15 02:09:19,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-15 02:09:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2025-03-15 02:09:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 941 transitions. [2025-03-15 02:09:19,664 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.35888634630053395 [2025-03-15 02:09:19,664 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2708 predicate places. [2025-03-15 02:09:19,664 INFO L471 AbstractCegarLoop]: Abstraction has has 2781 places, 4161 transitions, 771833 flow [2025-03-15 02:09:19,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:09:19,664 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:09:19,665 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] [2025-03-15 02:09:19,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2025-03-15 02:09:19,665 INFO L396 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:09:19,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:09:19,666 INFO L85 PathProgramCache]: Analyzing trace with hash -677626822, now seen corresponding path program 34 times [2025-03-15 02:09:19,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:09:19,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144156455] [2025-03-15 02:09:19,666 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:09:19,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:09:19,674 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:09:19,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:09:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:09:20,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:09:20,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144156455] [2025-03-15 02:09:20,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144156455] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:09:20,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:09:20,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:09:20,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447585897] [2025-03-15 02:09:20,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:09:20,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:09:20,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:09:20,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:09:20,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:09:20,144 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:09:20,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2781 places, 4161 transitions, 771833 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:09:20,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:09:20,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:09:20,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:09:51,436 INFO L124 PetriNetUnfolderBase]: 2348/7056 cut-off events. [2025-03-15 02:09:51,437 INFO L125 PetriNetUnfolderBase]: For 5114562/5122360 co-relation queries the response was YES. [2025-03-15 02:09:51,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 559628 conditions, 7056 events. 2348/7056 cut-off events. For 5114562/5122360 co-relation queries the response was YES. Maximal size of possible extension queue 503. Compared 73578 event pairs, 25 based on Foata normal form. 3/6739 useless extension candidates. Maximal degree in co-relation 558018. Up to 3803 conditions per place. [2025-03-15 02:09:51,738 INFO L140 encePairwiseOnDemand]: 41/69 looper letters, 2954 selfloop transitions, 498 changer transitions 729/4200 dead transitions. [2025-03-15 02:09:51,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2813 places, 4200 transitions, 787089 flow [2025-03-15 02:09:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-03-15 02:09:51,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2025-03-15 02:09:51,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 828 transitions. [2025-03-15 02:09:51,739 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36363636363636365 [2025-03-15 02:09:51,739 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2740 predicate places. [2025-03-15 02:09:51,739 INFO L471 AbstractCegarLoop]: Abstraction has has 2813 places, 4200 transitions, 787089 flow [2025-03-15 02:09:51,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:09:51,739 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:09:51,739 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] [2025-03-15 02:09:51,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2025-03-15 02:09:51,740 INFO L396 AbstractCegarLoop]: === Iteration 110 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:09:51,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:09:51,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2105858186, now seen corresponding path program 35 times [2025-03-15 02:09:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:09:51,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806920998] [2025-03-15 02:09:51,740 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-15 02:09:51,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:09:51,747 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 02:09:51,747 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:09:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:09:52,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:09:52,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806920998] [2025-03-15 02:09:52,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806920998] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:09:52,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:09:52,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:09:52,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985450579] [2025-03-15 02:09:52,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:09:52,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:09:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:09:52,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:09:52,167 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:09:52,167 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:09:52,170 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2813 places, 4200 transitions, 787089 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:09:52,170 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:09:52,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:09:52,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:10:24,263 INFO L124 PetriNetUnfolderBase]: 2384/7126 cut-off events. [2025-03-15 02:10:24,263 INFO L125 PetriNetUnfolderBase]: For 5214578/5222600 co-relation queries the response was YES. [2025-03-15 02:10:24,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574378 conditions, 7126 events. 2384/7126 cut-off events. For 5214578/5222600 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 74451 event pairs, 25 based on Foata normal form. 3/6800 useless extension candidates. Maximal degree in co-relation 572753. Up to 3895 conditions per place. [2025-03-15 02:10:24,733 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 3054 selfloop transitions, 461 changer transitions 744/4278 dead transitions. [2025-03-15 02:10:24,734 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2852 places, 4278 transitions, 809339 flow [2025-03-15 02:10:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-03-15 02:10:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2025-03-15 02:10:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 1004 transitions. [2025-03-15 02:10:24,735 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36376811594202896 [2025-03-15 02:10:24,735 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2779 predicate places. [2025-03-15 02:10:24,735 INFO L471 AbstractCegarLoop]: Abstraction has has 2852 places, 4278 transitions, 809339 flow [2025-03-15 02:10:24,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:10:24,735 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:10:24,735 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] [2025-03-15 02:10:24,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2025-03-15 02:10:24,735 INFO L396 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:10:24,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:10:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash -655775438, now seen corresponding path program 36 times [2025-03-15 02:10:24,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:10:24,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576850791] [2025-03-15 02:10:24,736 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-15 02:10:24,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:10:24,742 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-15 02:10:24,742 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:10:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:10:24,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:10:24,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576850791] [2025-03-15 02:10:24,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576850791] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:10:24,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:10:24,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:10:24,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207406857] [2025-03-15 02:10:24,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:10:24,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:10:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:10:24,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:10:24,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:10:24,995 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:10:24,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2852 places, 4278 transitions, 809339 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:10:24,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:10:24,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:10:24,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:10:59,975 INFO L124 PetriNetUnfolderBase]: 2392/7241 cut-off events. [2025-03-15 02:10:59,975 INFO L125 PetriNetUnfolderBase]: For 5393287/5400015 co-relation queries the response was YES. [2025-03-15 02:11:00,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 582901 conditions, 7241 events. 2392/7241 cut-off events. For 5393287/5400015 co-relation queries the response was YES. Maximal size of possible extension queue 513. Compared 76092 event pairs, 26 based on Foata normal form. 3/6914 useless extension candidates. Maximal degree in co-relation 581261. Up to 3919 conditions per place. [2025-03-15 02:11:00,456 INFO L140 encePairwiseOnDemand]: 40/69 looper letters, 2986 selfloop transitions, 545 changer transitions 751/4301 dead transitions. [2025-03-15 02:11:00,456 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 2890 places, 4301 transitions, 822141 flow [2025-03-15 02:11:00,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-15 02:11:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2025-03-15 02:11:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 973 transitions. [2025-03-15 02:11:00,458 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.36157562244518765 [2025-03-15 02:11:00,458 INFO L298 CegarLoopForPetriNet]: 73 programPoint places, 2817 predicate places. [2025-03-15 02:11:00,458 INFO L471 AbstractCegarLoop]: Abstraction has has 2890 places, 4301 transitions, 822141 flow [2025-03-15 02:11:00,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:11:00,458 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:11:00,458 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] [2025-03-15 02:11:00,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2025-03-15 02:11:00,459 INFO L396 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 02:11:00,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:11:00,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1981749691, now seen corresponding path program 22 times [2025-03-15 02:11:00,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:11:00,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226466879] [2025-03-15 02:11:00,460 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-15 02:11:00,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:11:00,466 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-15 02:11:00,466 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:11:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:11:00,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:11:00,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226466879] [2025-03-15 02:11:00,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226466879] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:11:00,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:11:00,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2025-03-15 02:11:00,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912095580] [2025-03-15 02:11:00,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:11:00,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-15 02:11:00,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:11:00,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-15 02:11:00,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2025-03-15 02:11:00,783 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 69 [2025-03-15 02:11:00,784 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 2890 places, 4301 transitions, 822141 flow. Second operand has 21 states, 21 states have (on average 21.666666666666668) internal successors, (455), 21 states have internal predecessors, (455), 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 02:11:00,784 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:11:00,784 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 69 [2025-03-15 02:11:00,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 02:11:28,594 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 02:11:28,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-03-15 02:11:28,623 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 02:11:28,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2025-03-15 02:11:28,623 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 7 remaining) [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 02:11:28,628 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 02:11:28,629 INFO L422 BasicCegarLoop]: Path program histogram: [50, 36, 22, 1, 1, 1, 1] [2025-03-15 02:11:28,643 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:11:28,643 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:11:28,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:11:28 BasicIcfg [2025-03-15 02:11:28,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:11:28,652 INFO L158 Benchmark]: Toolchain (without parser) took 834468.64ms. Allocated memory was 71.3MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 41.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2025-03-15 02:11:28,652 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:11:28,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.14ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 18.6MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 02:11:28,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.43ms. Allocated memory is still 71.3MB. Free memory was 18.6MB in the beginning and 43.4MB in the end (delta: -24.8MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 02:11:28,653 INFO L158 Benchmark]: Boogie Preprocessor took 13.85ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 42.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:11:28,653 INFO L158 Benchmark]: RCFGBuilder took 288.15ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 29.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-03-15 02:11:28,653 INFO L158 Benchmark]: TraceAbstraction took 833852.80ms. Allocated memory was 71.3MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 28.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2025-03-15 02:11:28,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 71.3MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.14ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 18.6MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.43ms. Allocated memory is still 71.3MB. Free memory was 18.6MB in the beginning and 43.4MB in the end (delta: -24.8MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.85ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 42.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 288.15ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 29.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 833852.80ms. Allocated memory was 71.3MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 28.4MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 3001]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). - TimeoutResultAtElement [Line: 3001]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). - TimeoutResultAtElement [Line: 3001]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). - TimeoutResultAtElement [Line: 3012]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). - TimeoutResultAtElement [Line: 3001]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (21states, 20/69 universal loopers) in iteration 112,while PetriNetUnfolder was constructing finite prefix that currently has 459828 conditions, 5609 events (1678/5608 cut-off events. For 4387680/4392548 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 62222 event pairs, 23 based on Foata normal form. 2/5821 useless extension candidates. Maximal degree in co-relation 458173. Up to 3045 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 94 locations, 7 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: 833.8s, OverallIterations: 112, TraceHistogramMax: 1, PathProgramHistogramMax: 50, EmptinessCheckTime: 0.0s, AutomataDifference: 803.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20945 SdHoareTripleChecker+Valid, 35.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20945 mSDsluCounter, 67472 SdHoareTripleChecker+Invalid, 29.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61076 mSDsCounter, 530 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94018 IncrementalHoareTripleChecker+Invalid, 94548 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 530 mSolverCounterUnsat, 6396 mSDtfsCounter, 94018 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4261 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 4047 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33623 ImplicationChecksByTransitivity, 58.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=822141occurred in iteration=111, InterpolantAutomatonStates: 2933, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 28.9s InterpolantComputationTime, 5054 NumberOfCodeBlocks, 5054 NumberOfCodeBlocksAsserted, 130 NumberOfCheckSat, 4942 ConstructedInterpolants, 0 QuantifiedInterpolants, 41349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 112 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown