/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/13-privatized_24-multiple-protecting_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 02:07:11,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 02:07:12,055 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 02:07:12,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 02:07:12,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 02:07:12,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 02:07:12,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 02:07:12,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 02:07:12,080 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 02:07:12,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 02:07:12,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 02:07:12,081 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 02:07:12,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:07:12,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 02:07:12,083 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 02:07:12,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 02:07:12,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 02:07:12,084 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 02:07:12,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 02:07:12,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 02:07:12,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 02:07:12,392 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 02:07:12,393 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 02:07:12,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-03-15 02:07:13,680 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec958cb75/cdef5aab095d4ac2adb0c69e37d380d7/FLAG89e47e0ae [2025-03-15 02:07:13,940 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 02:07:13,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-03-15 02:07:13,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec958cb75/cdef5aab095d4ac2adb0c69e37d380d7/FLAG89e47e0ae [2025-03-15 02:07:13,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec958cb75/cdef5aab095d4ac2adb0c69e37d380d7 [2025-03-15 02:07:13,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 02:07:13,976 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 02:07:13,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 02:07:13,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 02:07:13,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 02:07:13,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:07:13" (1/1) ... [2025-03-15 02:07:13,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc6ac48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:13, skipping insertion in model container [2025-03-15 02:07:13,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 02:07:13" (1/1) ... [2025-03-15 02:07:14,012 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 02:07:14,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:07:14,223 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 02:07:14,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 02:07:14,308 INFO L204 MainTranslator]: Completed translation [2025-03-15 02:07:14,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14 WrapperNode [2025-03-15 02:07:14,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 02:07:14,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 02:07:14,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 02:07:14,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 02:07:14,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,363 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 109 [2025-03-15 02:07:14,364 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 02:07:14,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 02:07:14,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 02:07:14,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 02:07:14,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,386 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 02:07:14,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 02:07:14,405 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 02:07:14,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 02:07:14,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (1/1) ... [2025-03-15 02:07:14,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 02:07:14,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:07:14,456 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 02:07:14,462 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 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 02:07:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 02:07:14,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 02:07:14,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 02:07:14,484 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 02:07:14,568 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 02:07:14,569 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 02:07:14,799 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 02:07:14,799 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 02:07:14,830 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 02:07:14,831 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 02:07:14,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:07:14 BoogieIcfgContainer [2025-03-15 02:07:14,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 02:07:14,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 02:07:14,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 02:07:14,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 02:07:14,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 02:07:13" (1/3) ... [2025-03-15 02:07:14,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac97d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:07:14, skipping insertion in model container [2025-03-15 02:07:14,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 02:07:14" (2/3) ... [2025-03-15 02:07:14,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ac97d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 02:07:14, skipping insertion in model container [2025-03-15 02:07:14,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 02:07:14" (3/3) ... [2025-03-15 02:07:14,838 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2025-03-15 02:07:14,849 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 02:07:14,850 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_24-multiple-protecting_true.i that has 2 procedures, 168 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 02:07:14,850 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 02:07:14,915 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 02:07:14,962 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 02:07:14,971 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;@1b9d7f81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 02:07:14,971 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-03-15 02:07:15,002 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 02:07:15,002 INFO L124 PetriNetUnfolderBase]: 0/49 cut-off events. [2025-03-15 02:07:15,005 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 02:07:15,005 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:15,006 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] [2025-03-15 02:07:15,006 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:15,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:15,012 INFO L85 PathProgramCache]: Analyzing trace with hash 681132555, now seen corresponding path program 1 times [2025-03-15 02:07:15,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:15,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484778563] [2025-03-15 02:07:15,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:15,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:15,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484778563] [2025-03-15 02:07:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484778563] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:15,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:07:15,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580331789] [2025-03-15 02:07:15,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:15,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:07:15,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:15,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:07:15,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:07:15,416 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 175 [2025-03-15 02:07:15,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 175 transitions, 357 flow. Second operand has 4 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:15,421 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:15,421 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 175 [2025-03-15 02:07:15,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:15,797 INFO L124 PetriNetUnfolderBase]: 285/1236 cut-off events. [2025-03-15 02:07:15,797 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 02:07:15,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1849 conditions, 1236 events. 285/1236 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7866 event pairs, 42 based on Foata normal form. 138/1256 useless extension candidates. Maximal degree in co-relation 1799. Up to 405 conditions per place. [2025-03-15 02:07:15,811 INFO L140 encePairwiseOnDemand]: 161/175 looper letters, 75 selfloop transitions, 4 changer transitions 11/201 dead transitions. [2025-03-15 02:07:15,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 201 transitions, 572 flow [2025-03-15 02:07:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 02:07:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 02:07:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 736 transitions. [2025-03-15 02:07:15,833 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8411428571428572 [2025-03-15 02:07:15,838 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, -7 predicate places. [2025-03-15 02:07:15,838 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 201 transitions, 572 flow [2025-03-15 02:07:15,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 125.5) internal successors, (502), 4 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:15,839 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:15,839 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:15,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 02:07:15,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:15,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 547881059, now seen corresponding path program 1 times [2025-03-15 02:07:15,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:15,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748811574] [2025-03-15 02:07:15,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:15,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:16,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:16,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748811574] [2025-03-15 02:07:16,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748811574] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:16,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:16,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:07:16,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419598116] [2025-03-15 02:07:16,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:16,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:07:16,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:16,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:07:16,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:07:16,059 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 175 [2025-03-15 02:07:16,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 201 transitions, 572 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:16,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:16,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 175 [2025-03-15 02:07:16,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:16,450 INFO L124 PetriNetUnfolderBase]: 345/1265 cut-off events. [2025-03-15 02:07:16,450 INFO L125 PetriNetUnfolderBase]: For 273/313 co-relation queries the response was YES. [2025-03-15 02:07:16,452 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2670 conditions, 1265 events. 345/1265 cut-off events. For 273/313 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8160 event pairs, 30 based on Foata normal form. 2/1173 useless extension candidates. Maximal degree in co-relation 2616. Up to 465 conditions per place. [2025-03-15 02:07:16,457 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 121 selfloop transitions, 7 changer transitions 11/245 dead transitions. [2025-03-15 02:07:16,457 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 245 transitions, 1012 flow [2025-03-15 02:07:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 02:07:16,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 02:07:16,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1084 transitions. [2025-03-15 02:07:16,460 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7742857142857142 [2025-03-15 02:07:16,460 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, -1 predicate places. [2025-03-15 02:07:16,460 INFO L471 AbstractCegarLoop]: Abstraction has has 170 places, 245 transitions, 1012 flow [2025-03-15 02:07:16,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:16,461 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:16,461 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:16,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 02:07:16,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:16,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:16,463 INFO L85 PathProgramCache]: Analyzing trace with hash -195555823, now seen corresponding path program 1 times [2025-03-15 02:07:16,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:16,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216388047] [2025-03-15 02:07:16,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:16,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:16,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216388047] [2025-03-15 02:07:16,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216388047] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:16,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:16,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:07:16,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635065196] [2025-03-15 02:07:16,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:16,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:07:16,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:16,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:07:16,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:07:16,576 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 175 [2025-03-15 02:07:16,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 245 transitions, 1012 flow. Second operand has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:16,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:16,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 175 [2025-03-15 02:07:16,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:16,865 INFO L124 PetriNetUnfolderBase]: 330/1234 cut-off events. [2025-03-15 02:07:16,865 INFO L125 PetriNetUnfolderBase]: For 673/741 co-relation queries the response was YES. [2025-03-15 02:07:16,867 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3294 conditions, 1234 events. 330/1234 cut-off events. For 673/741 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 7819 event pairs, 30 based on Foata normal form. 2/1158 useless extension candidates. Maximal degree in co-relation 3236. Up to 450 conditions per place. [2025-03-15 02:07:16,871 INFO L140 encePairwiseOnDemand]: 168/175 looper letters, 121 selfloop transitions, 6 changer transitions 11/244 dead transitions. [2025-03-15 02:07:16,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 244 transitions, 1268 flow [2025-03-15 02:07:16,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 02:07:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 02:07:16,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 934 transitions. [2025-03-15 02:07:16,874 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7624489795918368 [2025-03-15 02:07:16,875 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, 4 predicate places. [2025-03-15 02:07:16,875 INFO L471 AbstractCegarLoop]: Abstraction has has 175 places, 244 transitions, 1268 flow [2025-03-15 02:07:16,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.33333333333333) internal successors, (728), 6 states have internal predecessors, (728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:16,875 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:16,875 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:16,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 02:07:16,876 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:16,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:16,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1983909800, now seen corresponding path program 1 times [2025-03-15 02:07:16,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:16,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104044509] [2025-03-15 02:07:16,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:16,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:16,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:16,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104044509] [2025-03-15 02:07:16,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104044509] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:16,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:16,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 02:07:16,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990185952] [2025-03-15 02:07:16,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:16,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 02:07:16,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:16,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 02:07:16,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 02:07:16,979 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 175 [2025-03-15 02:07:16,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 244 transitions, 1268 flow. Second operand has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:16,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:16,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 175 [2025-03-15 02:07:16,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:17,190 INFO L124 PetriNetUnfolderBase]: 433/1353 cut-off events. [2025-03-15 02:07:17,190 INFO L125 PetriNetUnfolderBase]: For 1869/1947 co-relation queries the response was YES. [2025-03-15 02:07:17,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4435 conditions, 1353 events. 433/1353 cut-off events. For 1869/1947 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 8780 event pairs, 38 based on Foata normal form. 0/1306 useless extension candidates. Maximal degree in co-relation 4373. Up to 547 conditions per place. [2025-03-15 02:07:17,196 INFO L140 encePairwiseOnDemand]: 169/175 looper letters, 139 selfloop transitions, 4 changer transitions 11/281 dead transitions. [2025-03-15 02:07:17,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 281 transitions, 1850 flow [2025-03-15 02:07:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 02:07:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 02:07:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 706 transitions. [2025-03-15 02:07:17,198 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8068571428571428 [2025-03-15 02:07:17,198 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, 6 predicate places. [2025-03-15 02:07:17,198 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 281 transitions, 1850 flow [2025-03-15 02:07:17,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 129.0) internal successors, (516), 4 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:17,199 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:17,199 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:17,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 02:07:17,199 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:17,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash 944278480, now seen corresponding path program 1 times [2025-03-15 02:07:17,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:17,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638782576] [2025-03-15 02:07:17,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:17,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:17,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:17,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:17,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638782576] [2025-03-15 02:07:17,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638782576] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:17,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:17,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:07:17,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98038221] [2025-03-15 02:07:17,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:17,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:07:17,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:17,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:07:17,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:07:17,366 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 175 [2025-03-15 02:07:17,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 281 transitions, 1850 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:17,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:17,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 175 [2025-03-15 02:07:17,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:17,794 INFO L124 PetriNetUnfolderBase]: 485/1388 cut-off events. [2025-03-15 02:07:17,794 INFO L125 PetriNetUnfolderBase]: For 3297/3401 co-relation queries the response was YES. [2025-03-15 02:07:17,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5493 conditions, 1388 events. 485/1388 cut-off events. For 3297/3401 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9066 event pairs, 38 based on Foata normal form. 0/1358 useless extension candidates. Maximal degree in co-relation 5427. Up to 595 conditions per place. [2025-03-15 02:07:17,802 INFO L140 encePairwiseOnDemand]: 167/175 looper letters, 175 selfloop transitions, 7 changer transitions 15/319 dead transitions. [2025-03-15 02:07:17,802 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 319 transitions, 2598 flow [2025-03-15 02:07:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-15 02:07:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-03-15 02:07:17,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1086 transitions. [2025-03-15 02:07:17,805 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7757142857142857 [2025-03-15 02:07:17,805 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, 12 predicate places. [2025-03-15 02:07:17,805 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 319 transitions, 2598 flow [2025-03-15 02:07:17,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:17,806 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:07:17,806 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:07:17,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 02:07:17,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-03-15 02:07:17,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:07:17,807 INFO L85 PathProgramCache]: Analyzing trace with hash -792137634, now seen corresponding path program 1 times [2025-03-15 02:07:17,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:07:17,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678702114] [2025-03-15 02:07:17,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 02:07:17,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:07:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 02:07:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:07:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:07:17,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678702114] [2025-03-15 02:07:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678702114] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 02:07:17,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 02:07:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 02:07:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608359470] [2025-03-15 02:07:17,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 02:07:17,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 02:07:17,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:07:17,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 02:07:17,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 02:07:17,951 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 175 [2025-03-15 02:07:17,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 319 transitions, 2598 flow. Second operand has 6 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:17,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:07:17,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 175 [2025-03-15 02:07:17,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:07:18,294 INFO L124 PetriNetUnfolderBase]: 472/1358 cut-off events. [2025-03-15 02:07:18,294 INFO L125 PetriNetUnfolderBase]: For 4456/4586 co-relation queries the response was YES. [2025-03-15 02:07:18,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6181 conditions, 1358 events. 472/1358 cut-off events. For 4456/4586 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 8724 event pairs, 38 based on Foata normal form. 0/1345 useless extension candidates. Maximal degree in co-relation 6111. Up to 583 conditions per place. [2025-03-15 02:07:18,298 INFO L140 encePairwiseOnDemand]: 168/175 looper letters, 0 selfloop transitions, 0 changer transitions 318/318 dead transitions. [2025-03-15 02:07:18,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 318 transitions, 2970 flow [2025-03-15 02:07:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 02:07:18,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 02:07:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 938 transitions. [2025-03-15 02:07:18,300 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7657142857142857 [2025-03-15 02:07:18,302 INFO L298 CegarLoopForPetriNet]: 171 programPoint places, 17 predicate places. [2025-03-15 02:07:18,302 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 318 transitions, 2970 flow [2025-03-15 02:07:18,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.33333333333333) internal successors, (746), 6 states have internal predecessors, (746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 02:07:18,307 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_24-multiple-protecting_true.i_petrified1_AllErrorsAtOnce [2025-03-15 02:07:18,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2025-03-15 02:07:18,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 17 remaining) [2025-03-15 02:07:18,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 17 remaining) [2025-03-15 02:07:18,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 17 remaining) [2025-03-15 02:07:18,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 17 remaining) [2025-03-15 02:07:18,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 17 remaining) [2025-03-15 02:07:18,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 02:07:18,331 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 02:07:18,335 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:07:18,336 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:07:18,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:07:18 BasicIcfg [2025-03-15 02:07:18,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:07:18,342 INFO L158 Benchmark]: Toolchain (without parser) took 4366.70ms. Allocated memory was 71.3MB in the beginning and 159.4MB in the end (delta: 88.1MB). Free memory was 43.8MB in the beginning and 73.4MB in the end (delta: -29.7MB). Peak memory consumption was 103.5MB. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.60ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 23.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.15ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 21.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: Boogie Preprocessor took 39.28ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 20.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: RCFGBuilder took 426.66ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 25.0MB in the end (delta: -4.6MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 02:07:18,343 INFO L158 Benchmark]: TraceAbstraction took 3509.06ms. Allocated memory was 71.3MB in the beginning and 159.4MB in the end (delta: 88.1MB). Free memory was 23.9MB in the beginning and 73.4MB in the end (delta: -49.5MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. [2025-03-15 02:07:18,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.60ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 23.6MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.15ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 21.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.28ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 20.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 426.66ms. Allocated memory is still 71.3MB. Free memory was 20.4MB in the beginning and 25.0MB in the end (delta: -4.6MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * TraceAbstraction took 3509.06ms. Allocated memory was 71.3MB in the beginning and 159.4MB in the end (delta: 88.1MB). Free memory was 23.9MB in the beginning and 73.4MB in the end (delta: -49.5MB). Peak memory consumption was 83.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 688]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 691]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 696]: 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: 699]: 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, 225 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 516 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 516 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1204 IncrementalHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 1204 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2970occurred in iteration=6, InterpolantAutomatonStates: 40, 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, 0.9s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 02:07:18,359 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...