/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_05-lockfuns.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:53:50,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:53:50,920 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 01:53:50,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:53:50,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:53:50,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:53:50,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:53:50,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:53:50,945 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:53:50,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:53:50,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:53:50,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:50,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:53:50,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:53:50,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:53:50,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:53:50,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:53:50,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:53:50,947 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 01:53:51,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:53:51,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:53:51,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:53:51,251 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:53:51,251 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:53:51,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_05-lockfuns.i [2025-03-15 01:53:52,423 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0560f4f/1dadfe15f19a402ab3643b7b0e1a6cc0/FLAGdc1058de7 [2025-03-15 01:53:52,711 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:53:52,712 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_05-lockfuns.i [2025-03-15 01:53:52,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0560f4f/1dadfe15f19a402ab3643b7b0e1a6cc0/FLAGdc1058de7 [2025-03-15 01:53:52,742 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf0560f4f/1dadfe15f19a402ab3643b7b0e1a6cc0 [2025-03-15 01:53:52,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:53:52,747 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:53:52,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:52,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:53:52,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:53:52,752 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:52" (1/1) ... [2025-03-15 01:53:52,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bc3320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:52, skipping insertion in model container [2025-03-15 01:53:52,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:52" (1/1) ... [2025-03-15 01:53:52,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:53:53,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:53,009 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:53:53,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:53,099 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:53:53,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53 WrapperNode [2025-03-15 01:53:53,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:53,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:53,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:53:53,102 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:53:53,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,132 INFO L138 Inliner]: procedures = 264, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 51 [2025-03-15 01:53:53,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:53,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:53:53,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:53:53,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:53:53,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,140 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:53:53,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:53:53,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:53:53,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:53:53,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (1/1) ... [2025-03-15 01:53:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:53,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:53,180 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 01:53:53,183 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 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:53:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:53:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:53:53,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:53:53,202 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 01:53:53,288 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:53:53,289 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:53:53,365 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:53:53,365 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:53:53,385 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:53:53,385 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:53:53,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:53 BoogieIcfgContainer [2025-03-15 01:53:53,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:53:53,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:53:53,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:53:53,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:53:53,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:53:52" (1/3) ... [2025-03-15 01:53:53,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e10fb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:53, skipping insertion in model container [2025-03-15 01:53:53,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:53" (2/3) ... [2025-03-15 01:53:53,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e10fb9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:53, skipping insertion in model container [2025-03-15 01:53:53,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:53" (3/3) ... [2025-03-15 01:53:53,393 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_05-lockfuns.i [2025-03-15 01:53:53,405 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:53:53,406 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_05-lockfuns.i that has 2 procedures, 59 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:53:53,406 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:53:53,455 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:53:53,490 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:53:53,517 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;@28522e0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:53:53,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:53:53,541 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:53:53,542 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2025-03-15 01:53:53,543 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:53:53,543 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:53,545 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] [2025-03-15 01:53:53,546 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 01:53:53,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:53,551 INFO L85 PathProgramCache]: Analyzing trace with hash 720645134, now seen corresponding path program 1 times [2025-03-15 01:53:53,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:53,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052862480] [2025-03-15 01:53:53,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:53,784 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 01:53:53,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:53,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052862480] [2025-03-15 01:53:53,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052862480] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:53,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:53,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:53,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75518212] [2025-03-15 01:53:53,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:53,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:53,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:53,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:53,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:53,808 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 58 [2025-03-15 01:53:53,810 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 58 transitions, 123 flow. Second operand has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:53,810 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:53,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 58 [2025-03-15 01:53:53,811 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:53,931 INFO L124 PetriNetUnfolderBase]: 34/172 cut-off events. [2025-03-15 01:53:53,931 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 01:53:53,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 172 events. 34/172 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 678 event pairs, 9 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 235. Up to 46 conditions per place. [2025-03-15 01:53:53,938 INFO L140 encePairwiseOnDemand]: 51/58 looper letters, 19 selfloop transitions, 5 changer transitions 15/76 dead transitions. [2025-03-15 01:53:53,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 76 transitions, 228 flow [2025-03-15 01:53:53,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 249 transitions. [2025-03-15 01:53:53,947 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8586206896551725 [2025-03-15 01:53:53,949 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 3 predicate places. [2025-03-15 01:53:53,949 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 76 transitions, 228 flow [2025-03-15 01:53:53,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.25) internal successors, (173), 4 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:53,950 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:53,950 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] [2025-03-15 01:53:53,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:53:53,950 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:53,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:53,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1246661301, now seen corresponding path program 1 times [2025-03-15 01:53:53,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:53,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85190175] [2025-03-15 01:53:53,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,023 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 01:53:54,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85190175] [2025-03-15 01:53:54,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85190175] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:54,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407739276] [2025-03-15 01:53:54,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:54,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:54,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:54,025 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 40 out of 58 [2025-03-15 01:53:54,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 76 transitions, 228 flow. Second operand has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 40 of 58 [2025-03-15 01:53:54,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,132 INFO L124 PetriNetUnfolderBase]: 54/249 cut-off events. [2025-03-15 01:53:54,132 INFO L125 PetriNetUnfolderBase]: For 61/68 co-relation queries the response was YES. [2025-03-15 01:53:54,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 249 events. 54/249 cut-off events. For 61/68 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1181 event pairs, 12 based on Foata normal form. 2/238 useless extension candidates. Maximal degree in co-relation 453. Up to 65 conditions per place. [2025-03-15 01:53:54,134 INFO L140 encePairwiseOnDemand]: 51/58 looper letters, 22 selfloop transitions, 5 changer transitions 27/91 dead transitions. [2025-03-15 01:53:54,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 91 transitions, 372 flow [2025-03-15 01:53:54,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:54,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 241 transitions. [2025-03-15 01:53:54,136 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8310344827586207 [2025-03-15 01:53:54,137 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2025-03-15 01:53:54,137 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 91 transitions, 372 flow [2025-03-15 01:53:54,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.5) internal successors, (166), 4 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,137 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,137 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] [2025-03-15 01:53:54,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:53:54,137 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 01:53:54,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,138 INFO L85 PathProgramCache]: Analyzing trace with hash -173154152, now seen corresponding path program 1 times [2025-03-15 01:53:54,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749881061] [2025-03-15 01:53:54,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,248 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 01:53:54,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749881061] [2025-03-15 01:53:54,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749881061] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:54,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460329196] [2025-03-15 01:53:54,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:53:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:53:54,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:53:54,250 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 58 [2025-03-15 01:53:54,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 91 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,250 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 58 [2025-03-15 01:53:54,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,274 INFO L124 PetriNetUnfolderBase]: 1/79 cut-off events. [2025-03-15 01:53:54,274 INFO L125 PetriNetUnfolderBase]: For 64/68 co-relation queries the response was YES. [2025-03-15 01:53:54,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 79 events. 1/79 cut-off events. For 64/68 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 12/87 useless extension candidates. Maximal degree in co-relation 113. Up to 20 conditions per place. [2025-03-15 01:53:54,275 INFO L140 encePairwiseOnDemand]: 54/58 looper letters, 7 selfloop transitions, 6 changer transitions 11/69 dead transitions. [2025-03-15 01:53:54,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 69 transitions, 276 flow [2025-03-15 01:53:54,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:53:54,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:53:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2025-03-15 01:53:54,276 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2025-03-15 01:53:54,277 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 9 predicate places. [2025-03-15 01:53:54,278 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 69 transitions, 276 flow [2025-03-15 01:53:54,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,278 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,278 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] [2025-03-15 01:53:54,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:53:54,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:54,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1239984252, now seen corresponding path program 1 times [2025-03-15 01:53:54,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856579875] [2025-03-15 01:53:54,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,377 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 01:53:54,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856579875] [2025-03-15 01:53:54,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856579875] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:53:54,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143045509] [2025-03-15 01:53:54,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:53:54,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:53:54,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:53:54,380 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 58 [2025-03-15 01:53:54,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 69 transitions, 276 flow. Second operand has 6 states, 6 states have (on average 37.166666666666664) internal successors, (223), 6 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 58 [2025-03-15 01:53:54,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,477 INFO L124 PetriNetUnfolderBase]: 0/87 cut-off events. [2025-03-15 01:53:54,478 INFO L125 PetriNetUnfolderBase]: For 94/97 co-relation queries the response was YES. [2025-03-15 01:53:54,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 87 events. 0/87 cut-off events. For 94/97 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 93 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2025-03-15 01:53:54,478 INFO L140 encePairwiseOnDemand]: 50/58 looper letters, 20 selfloop transitions, 6 changer transitions 15/72 dead transitions. [2025-03-15 01:53:54,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 72 transitions, 379 flow [2025-03-15 01:53:54,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:53:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:53:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 284 transitions. [2025-03-15 01:53:54,480 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6995073891625616 [2025-03-15 01:53:54,481 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 14 predicate places. [2025-03-15 01:53:54,481 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 72 transitions, 379 flow [2025-03-15 01:53:54,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.166666666666664) internal successors, (223), 6 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,481 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,481 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] [2025-03-15 01:53:54,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:53:54,481 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:54,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,482 INFO L85 PathProgramCache]: Analyzing trace with hash -527921236, now seen corresponding path program 1 times [2025-03-15 01:53:54,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054041413] [2025-03-15 01:53:54,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,579 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 01:53:54,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054041413] [2025-03-15 01:53:54,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054041413] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:53:54,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083339330] [2025-03-15 01:53:54,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:53:54,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:53:54,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:53:54,581 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 58 [2025-03-15 01:53:54,581 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 37.166666666666664) internal successors, (223), 6 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,581 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,582 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 58 [2025-03-15 01:53:54,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,674 INFO L124 PetriNetUnfolderBase]: 0/86 cut-off events. [2025-03-15 01:53:54,674 INFO L125 PetriNetUnfolderBase]: For 157/162 co-relation queries the response was YES. [2025-03-15 01:53:54,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 245 conditions, 86 events. 0/86 cut-off events. For 157/162 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 89 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2025-03-15 01:53:54,675 INFO L140 encePairwiseOnDemand]: 50/58 looper letters, 19 selfloop transitions, 6 changer transitions 15/71 dead transitions. [2025-03-15 01:53:54,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 71 transitions, 447 flow [2025-03-15 01:53:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:53:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:53:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 283 transitions. [2025-03-15 01:53:54,677 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6970443349753694 [2025-03-15 01:53:54,677 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 19 predicate places. [2025-03-15 01:53:54,677 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 71 transitions, 447 flow [2025-03-15 01:53:54,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.166666666666664) internal successors, (223), 6 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,677 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,677 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] [2025-03-15 01:53:54,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:53:54,678 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:54,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,678 INFO L85 PathProgramCache]: Analyzing trace with hash 610785762, now seen corresponding path program 1 times [2025-03-15 01:53:54,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977849264] [2025-03-15 01:53:54,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,759 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 01:53:54,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977849264] [2025-03-15 01:53:54,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977849264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:53:54,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986158168] [2025-03-15 01:53:54,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:53:54,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:53:54,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:53:54,761 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 58 [2025-03-15 01:53:54,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 71 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 58 [2025-03-15 01:53:54,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:54,840 INFO L124 PetriNetUnfolderBase]: 0/85 cut-off events. [2025-03-15 01:53:54,841 INFO L125 PetriNetUnfolderBase]: For 238/245 co-relation queries the response was YES. [2025-03-15 01:53:54,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 85 events. 0/85 cut-off events. For 238/245 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2025-03-15 01:53:54,841 INFO L140 encePairwiseOnDemand]: 50/58 looper letters, 10 selfloop transitions, 4 changer transitions 30/70 dead transitions. [2025-03-15 01:53:54,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 70 transitions, 511 flow [2025-03-15 01:53:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:53:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:53:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 348 transitions. [2025-03-15 01:53:54,843 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2025-03-15 01:53:54,844 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 26 predicate places. [2025-03-15 01:53:54,844 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 70 transitions, 511 flow [2025-03-15 01:53:54,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,844 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:54,844 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] [2025-03-15 01:53:54,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:53:54,844 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:53:54,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,845 INFO L85 PathProgramCache]: Analyzing trace with hash 814311043, now seen corresponding path program 1 times [2025-03-15 01:53:54,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357298793] [2025-03-15 01:53:54,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,927 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 01:53:54,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357298793] [2025-03-15 01:53:54,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357298793] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:54,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:54,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:53:54,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696220900] [2025-03-15 01:53:54,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:53:54,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:53:54,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:53:54,931 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 58 [2025-03-15 01:53:54,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 70 transitions, 511 flow. Second operand has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:54,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 58 [2025-03-15 01:53:54,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:55,001 INFO L124 PetriNetUnfolderBase]: 0/84 cut-off events. [2025-03-15 01:53:55,002 INFO L125 PetriNetUnfolderBase]: For 337/346 co-relation queries the response was YES. [2025-03-15 01:53:55,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 84 events. 0/84 cut-off events. For 337/346 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 83 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 0. Up to 20 conditions per place. [2025-03-15 01:53:55,002 INFO L140 encePairwiseOnDemand]: 50/58 looper letters, 0 selfloop transitions, 0 changer transitions 69/69 dead transitions. [2025-03-15 01:53:55,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 69 transitions, 571 flow [2025-03-15 01:53:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:53:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:53:55,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 347 transitions. [2025-03-15 01:53:55,005 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6647509578544061 [2025-03-15 01:53:55,006 INFO L298 CegarLoopForPetriNet]: 62 programPoint places, 33 predicate places. [2025-03-15 01:53:55,006 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 69 transitions, 571 flow [2025-03-15 01:53:55,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:53:55,012 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_05-lockfuns.i_petrified1_AllErrorsAtOnce [2025-03-15 01:53:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 01:53:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 01:53:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 01:53:55,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2025-03-15 01:53:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 01:53:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 01:53:55,030 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 01:53:55,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:53:55,031 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:55,036 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:53:55,036 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:53:55,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:53:55 BasicIcfg [2025-03-15 01:53:55,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:53:55,042 INFO L158 Benchmark]: Toolchain (without parser) took 2296.24ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 22.3MB in the end (delta: 21.0MB). Peak memory consumption was 34.3MB. Max. memory is 8.0GB. [2025-03-15 01:53:55,042 INFO L158 Benchmark]: CDTParser took 1.22ms. Allocated memory is still 71.3MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:53:55,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.55ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. [2025-03-15 01:53:55,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.30ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:53:55,042 INFO L158 Benchmark]: Boogie Preprocessor took 13.66ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 38.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:53:55,042 INFO L158 Benchmark]: RCFGBuilder took 237.65ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 26.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:53:55,044 INFO L158 Benchmark]: TraceAbstraction took 1653.76ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 25.3MB in the beginning and 22.3MB in the end (delta: 3.0MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. [2025-03-15 01:53:55,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.22ms. Allocated memory is still 71.3MB. Free memory is still 37.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.55ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.1MB in the end (delta: 2.0MB). Peak memory consumption was 25.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.30ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.66ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 38.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 237.65ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 26.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1653.76ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 25.3MB in the beginning and 22.3MB in the end (delta: 3.0MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 935]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 935]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 927]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 927]: 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, 79 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: 1.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 106 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 397 IncrementalHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 53 mSDtfsCounter, 397 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=571occurred in iteration=7, InterpolantAutomatonStates: 45, 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, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 618 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:53:55,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...