/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/04-mutex_42-trylock_2mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:17,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:18,070 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:54:18,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:18,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:18,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:18,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:18,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:18,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:18,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:18,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:18,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 01:54:18,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:18,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:18,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:18,350 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:18,351 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:18,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2025-03-15 01:54:19,577 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb482607/6579b8c3ce8a481ebfa8df821fcfc84a/FLAGeb8e79b25 [2025-03-15 01:54:19,770 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:19,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_42-trylock_2mutex.i [2025-03-15 01:54:19,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb482607/6579b8c3ce8a481ebfa8df821fcfc84a/FLAGeb8e79b25 [2025-03-15 01:54:20,123 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1eb482607/6579b8c3ce8a481ebfa8df821fcfc84a [2025-03-15 01:54:20,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:20,126 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:20,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:20,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:20,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:20,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c451b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20, skipping insertion in model container [2025-03-15 01:54:20,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:20,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:20,344 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:20,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:20,403 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:20,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20 WrapperNode [2025-03-15 01:54:20,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:20,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:20,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:20,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:20,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,435 INFO L138 Inliner]: procedures = 163, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2025-03-15 01:54:20,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:20,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:20,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:20,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:20,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,456 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,462 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:20,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:20,466 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:20,466 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:20,467 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (1/1) ... [2025-03-15 01:54:20,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:20,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:54:20,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:54:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:20,529 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 01:54:20,614 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:54:20,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:54:20,742 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:54:20,742 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:54:20,765 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:54:20,766 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-15 01:54:20,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:20 BoogieIcfgContainer [2025-03-15 01:54:20,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:54:20,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:54:20,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:54:20,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:54:20,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:20" (1/3) ... [2025-03-15 01:54:20,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b60f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:20, skipping insertion in model container [2025-03-15 01:54:20,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:20" (2/3) ... [2025-03-15 01:54:20,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b60f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:20, skipping insertion in model container [2025-03-15 01:54:20,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:20" (3/3) ... [2025-03-15 01:54:20,773 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i [2025-03-15 01:54:20,786 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:54:20,788 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_42-trylock_2mutex.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-03-15 01:54:20,788 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:54:20,831 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:54:20,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:54:20,870 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;@5351e3b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:54:20,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-03-15 01:54:20,890 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:54:20,891 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2025-03-15 01:54:20,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:54:20,892 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:20,892 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] [2025-03-15 01:54:20,893 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:20,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash 716427724, now seen corresponding path program 1 times [2025-03-15 01:54:20,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:20,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982951309] [2025-03-15 01:54:20,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:20,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,159 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 01:54:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982951309] [2025-03-15 01:54:21,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982951309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:21,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:21,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:21,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312578204] [2025-03-15 01:54:21,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:21,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:21,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:21,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:21,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:21,189 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 79 [2025-03-15 01:54:21,191 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 79 transitions, 165 flow. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:21,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 79 [2025-03-15 01:54:21,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:21,354 INFO L124 PetriNetUnfolderBase]: 76/313 cut-off events. [2025-03-15 01:54:21,355 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 01:54:21,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 313 events. 76/313 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1500 event pairs, 22 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 455. Up to 104 conditions per place. [2025-03-15 01:54:21,360 INFO L140 encePairwiseOnDemand]: 71/79 looper letters, 40 selfloop transitions, 6 changer transitions 5/103 dead transitions. [2025-03-15 01:54:21,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 103 transitions, 306 flow [2025-03-15 01:54:21,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 340 transitions. [2025-03-15 01:54:21,369 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8607594936708861 [2025-03-15 01:54:21,371 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 3 predicate places. [2025-03-15 01:54:21,372 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 103 transitions, 306 flow [2025-03-15 01:54:21,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 4 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,372 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:21,372 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] [2025-03-15 01:54:21,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:54:21,372 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:21,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:21,373 INFO L85 PathProgramCache]: Analyzing trace with hash 37162944, now seen corresponding path program 1 times [2025-03-15 01:54:21,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:21,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348559539] [2025-03-15 01:54:21,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:21,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,462 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 01:54:21,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:21,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348559539] [2025-03-15 01:54:21,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348559539] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:21,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:21,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:54:21,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338788777] [2025-03-15 01:54:21,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:21,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:21,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:21,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:21,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:21,464 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 79 [2025-03-15 01:54:21,464 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 103 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:21,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 79 [2025-03-15 01:54:21,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:21,575 INFO L124 PetriNetUnfolderBase]: 104/387 cut-off events. [2025-03-15 01:54:21,576 INFO L125 PetriNetUnfolderBase]: For 98/107 co-relation queries the response was YES. [2025-03-15 01:54:21,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 777 conditions, 387 events. 104/387 cut-off events. For 98/107 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1909 event pairs, 32 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 734. Up to 134 conditions per place. [2025-03-15 01:54:21,578 INFO L140 encePairwiseOnDemand]: 75/79 looper letters, 40 selfloop transitions, 2 changer transitions 9/112 dead transitions. [2025-03-15 01:54:21,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 112 transitions, 432 flow [2025-03-15 01:54:21,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:21,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:21,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2025-03-15 01:54:21,583 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8649789029535865 [2025-03-15 01:54:21,583 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 5 predicate places. [2025-03-15 01:54:21,583 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 112 transitions, 432 flow [2025-03-15 01:54:21,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,583 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:21,583 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] [2025-03-15 01:54:21,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:54:21,584 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:21,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:21,584 INFO L85 PathProgramCache]: Analyzing trace with hash 320660269, now seen corresponding path program 1 times [2025-03-15 01:54:21,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:21,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669030536] [2025-03-15 01:54:21,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:21,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,676 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 01:54:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:21,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669030536] [2025-03-15 01:54:21,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669030536] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:21,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:21,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:21,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481977661] [2025-03-15 01:54:21,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:21,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:21,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:21,678 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 79 [2025-03-15 01:54:21,679 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 112 transitions, 432 flow. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:21,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 79 [2025-03-15 01:54:21,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:21,812 INFO L124 PetriNetUnfolderBase]: 133/414 cut-off events. [2025-03-15 01:54:21,813 INFO L125 PetriNetUnfolderBase]: For 324/357 co-relation queries the response was YES. [2025-03-15 01:54:21,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 414 events. 133/414 cut-off events. For 324/357 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2020 event pairs, 26 based on Foata normal form. 0/394 useless extension candidates. Maximal degree in co-relation 1048. Up to 152 conditions per place. [2025-03-15 01:54:21,815 INFO L140 encePairwiseOnDemand]: 73/79 looper letters, 48 selfloop transitions, 4 changer transitions 28/130 dead transitions. [2025-03-15 01:54:21,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 130 transitions, 676 flow [2025-03-15 01:54:21,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 319 transitions. [2025-03-15 01:54:21,818 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8075949367088607 [2025-03-15 01:54:21,819 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 7 predicate places. [2025-03-15 01:54:21,819 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 130 transitions, 676 flow [2025-03-15 01:54:21,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 4 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,819 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:21,819 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] [2025-03-15 01:54:21,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:54:21,819 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:21,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:21,820 INFO L85 PathProgramCache]: Analyzing trace with hash 423371795, now seen corresponding path program 1 times [2025-03-15 01:54:21,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:21,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660229352] [2025-03-15 01:54:21,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:21,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:21,913 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 01:54:21,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660229352] [2025-03-15 01:54:21,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660229352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:21,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:21,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:21,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581305647] [2025-03-15 01:54:21,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:21,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:21,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:21,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:21,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:21,915 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 79 [2025-03-15 01:54:21,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 130 transitions, 676 flow. Second operand has 5 states, 5 states have (on average 52.2) internal successors, (261), 5 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:21,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:21,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 79 [2025-03-15 01:54:21,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:22,050 INFO L124 PetriNetUnfolderBase]: 158/491 cut-off events. [2025-03-15 01:54:22,050 INFO L125 PetriNetUnfolderBase]: For 635/659 co-relation queries the response was YES. [2025-03-15 01:54:22,051 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1625 conditions, 491 events. 158/491 cut-off events. For 635/659 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2519 event pairs, 22 based on Foata normal form. 0/476 useless extension candidates. Maximal degree in co-relation 1563. Up to 183 conditions per place. [2025-03-15 01:54:22,053 INFO L140 encePairwiseOnDemand]: 72/79 looper letters, 56 selfloop transitions, 4 changer transitions 45/148 dead transitions. [2025-03-15 01:54:22,053 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 148 transitions, 1021 flow [2025-03-15 01:54:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:22,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 359 transitions. [2025-03-15 01:54:22,055 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7573839662447257 [2025-03-15 01:54:22,055 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 11 predicate places. [2025-03-15 01:54:22,056 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 148 transitions, 1021 flow [2025-03-15 01:54:22,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.2) internal successors, (261), 5 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,056 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:22,056 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] [2025-03-15 01:54:22,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:54:22,056 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:22,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:22,057 INFO L85 PathProgramCache]: Analyzing trace with hash 239624001, now seen corresponding path program 1 times [2025-03-15 01:54:22,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:22,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037985068] [2025-03-15 01:54:22,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:22,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:22,143 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 01:54:22,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:22,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037985068] [2025-03-15 01:54:22,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037985068] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:22,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:22,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:22,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197684627] [2025-03-15 01:54:22,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:22,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:22,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:22,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:22,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:22,145 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 79 [2025-03-15 01:54:22,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 148 transitions, 1021 flow. Second operand has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:22,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 79 [2025-03-15 01:54:22,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:22,299 INFO L124 PetriNetUnfolderBase]: 171/550 cut-off events. [2025-03-15 01:54:22,299 INFO L125 PetriNetUnfolderBase]: For 1171/1193 co-relation queries the response was YES. [2025-03-15 01:54:22,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2161 conditions, 550 events. 171/550 cut-off events. For 1171/1193 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2959 event pairs, 8 based on Foata normal form. 0/540 useless extension candidates. Maximal degree in co-relation 2082. Up to 202 conditions per place. [2025-03-15 01:54:22,303 INFO L140 encePairwiseOnDemand]: 71/79 looper letters, 47 selfloop transitions, 6 changer transitions 75/169 dead transitions. [2025-03-15 01:54:22,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 169 transitions, 1466 flow [2025-03-15 01:54:22,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 422 transitions. [2025-03-15 01:54:22,305 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7631103074141049 [2025-03-15 01:54:22,307 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 16 predicate places. [2025-03-15 01:54:22,307 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 169 transitions, 1466 flow [2025-03-15 01:54:22,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 52.4) internal successors, (262), 5 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,307 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:22,307 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:22,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:54:22,307 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:22,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:22,308 INFO L85 PathProgramCache]: Analyzing trace with hash -311548330, now seen corresponding path program 1 times [2025-03-15 01:54:22,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:22,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178688584] [2025-03-15 01:54:22,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:22,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:22,415 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 01:54:22,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:22,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178688584] [2025-03-15 01:54:22,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178688584] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:22,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:22,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:22,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610101562] [2025-03-15 01:54:22,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:22,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:22,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:22,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:22,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:22,417 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 79 [2025-03-15 01:54:22,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 169 transitions, 1466 flow. Second operand has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:22,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 79 [2025-03-15 01:54:22,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:22,562 INFO L124 PetriNetUnfolderBase]: 169/542 cut-off events. [2025-03-15 01:54:22,562 INFO L125 PetriNetUnfolderBase]: For 1577/1605 co-relation queries the response was YES. [2025-03-15 01:54:22,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2465 conditions, 542 events. 169/542 cut-off events. For 1577/1605 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2888 event pairs, 8 based on Foata normal form. 0/535 useless extension candidates. Maximal degree in co-relation 2380. Up to 202 conditions per place. [2025-03-15 01:54:22,565 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 44 selfloop transitions, 4 changer transitions 75/167 dead transitions. [2025-03-15 01:54:22,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 167 transitions, 1662 flow [2025-03-15 01:54:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 370 transitions. [2025-03-15 01:54:22,568 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7805907172995781 [2025-03-15 01:54:22,568 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 20 predicate places. [2025-03-15 01:54:22,568 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 167 transitions, 1662 flow [2025-03-15 01:54:22,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.4) internal successors, (277), 5 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,569 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:22,569 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:22,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:54:22,569 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 01:54:22,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1164730072, now seen corresponding path program 1 times [2025-03-15 01:54:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:22,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119974067] [2025-03-15 01:54:22,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:22,663 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 01:54:22,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119974067] [2025-03-15 01:54:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119974067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:22,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:22,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:22,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043674411] [2025-03-15 01:54:22,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:22,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:22,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:22,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:22,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:22,665 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 79 [2025-03-15 01:54:22,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 167 transitions, 1662 flow. Second operand has 5 states, 5 states have (on average 55.6) internal successors, (278), 5 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:22,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 79 [2025-03-15 01:54:22,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:22,781 INFO L124 PetriNetUnfolderBase]: 167/534 cut-off events. [2025-03-15 01:54:22,781 INFO L125 PetriNetUnfolderBase]: For 2095/2129 co-relation queries the response was YES. [2025-03-15 01:54:22,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2759 conditions, 534 events. 167/534 cut-off events. For 2095/2129 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2828 event pairs, 8 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 2668. Up to 202 conditions per place. [2025-03-15 01:54:22,783 INFO L140 encePairwiseOnDemand]: 74/79 looper letters, 0 selfloop transitions, 0 changer transitions 165/165 dead transitions. [2025-03-15 01:54:22,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 165 transitions, 1850 flow [2025-03-15 01:54:22,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 368 transitions. [2025-03-15 01:54:22,785 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7763713080168776 [2025-03-15 01:54:22,785 INFO L298 CegarLoopForPetriNet]: 81 programPoint places, 24 predicate places. [2025-03-15 01:54:22,785 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 165 transitions, 1850 flow [2025-03-15 01:54:22,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 55.6) internal successors, (278), 5 states have internal predecessors, (278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:54:22,793 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_42-trylock_2mutex.i_petrified1_AllErrorsAtOnce [2025-03-15 01:54:22,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 11 remaining) [2025-03-15 01:54:22,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 11 remaining) [2025-03-15 01:54:22,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:54:22,811 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:22,815 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:54:22,815 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:54:22,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:54:22 BasicIcfg [2025-03-15 01:54:22,820 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:54:22,820 INFO L158 Benchmark]: Toolchain (without parser) took 2694.29ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.0MB in the beginning and 36.4MB in the end (delta: 6.6MB). Peak memory consumption was 42.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:22,820 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:22,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.73ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 23.4MB in the end (delta: 19.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:54:22,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.33ms. Allocated memory is still 71.3MB. Free memory was 23.4MB in the beginning and 21.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:22,821 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 20.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:22,821 INFO L158 Benchmark]: RCFGBuilder took 299.85ms. Allocated memory is still 71.3MB. Free memory was 20.7MB in the beginning and 32.3MB in the end (delta: -11.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2025-03-15 01:54:22,821 INFO L158 Benchmark]: TraceAbstraction took 2051.97ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 31.2MB in the beginning and 36.4MB in the end (delta: -5.2MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. [2025-03-15 01:54:22,823 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.73ms. Allocated memory is still 71.3MB. Free memory was 42.9MB in the beginning and 23.4MB in the end (delta: 19.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.33ms. Allocated memory is still 71.3MB. Free memory was 23.4MB in the beginning and 21.8MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 20.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 299.85ms. Allocated memory is still 71.3MB. Free memory was 20.7MB in the beginning and 32.3MB in the end (delta: -11.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2051.97ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 31.2MB in the beginning and 36.4MB in the end (delta: -5.2MB). Peak memory consumption was 31.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 699]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 684]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 684]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 687]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 105 locations, 11 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: 2.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 277 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 277 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 490 IncrementalHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 42 mSDtfsCounter, 490 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1850occurred in iteration=7, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 785 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:54:22,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...