/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/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:25:33,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:25:33,409 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 01:25:33,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:25:33,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:25:33,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:25:33,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:25:33,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:25:33,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:25:33,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:25:33,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:25:33,429 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:25:33,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:25:33,429 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 01:25:33,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:25:33,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:25:33,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:25:33,684 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:25:33,685 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:25:33,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2025-03-15 01:25:34,838 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e8e9ad7/ce67e1a6aa0d4c3691c38eedd6bc17a1/FLAGe59c3f636 [2025-03-15 01:25:35,149 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:25:35,150 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2025-03-15 01:25:35,170 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e8e9ad7/ce67e1a6aa0d4c3691c38eedd6bc17a1/FLAGe59c3f636 [2025-03-15 01:25:35,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47e8e9ad7/ce67e1a6aa0d4c3691c38eedd6bc17a1 [2025-03-15 01:25:35,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:25:35,444 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:25:35,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:25:35,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:25:35,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:25:35,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8d7349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35, skipping insertion in model container [2025-03-15 01:25:35,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:25:35,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:25:35,702 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:25:35,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:25:35,802 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:25:35,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35 WrapperNode [2025-03-15 01:25:35,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:25:35,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:25:35,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:25:35,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:25:35,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,848 INFO L138 Inliner]: procedures = 268, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 254 [2025-03-15 01:25:35,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:25:35,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:25:35,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:25:35,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:25:35,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:25:35,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:25:35,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:25:35,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:25:35,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (1/1) ... [2025-03-15 01:25:35,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:25:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:25:35,901 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 01:25:35,906 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 01:25:35,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 01:25:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 01:25:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:25:35,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:25:35,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:25:35,922 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 01:25:36,058 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:25:36,059 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:25:36,366 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:25:36,366 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:25:36,399 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:25:36,402 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:25:36,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:25:36 BoogieIcfgContainer [2025-03-15 01:25:36,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:25:36,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:25:36,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:25:36,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:25:36,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:25:35" (1/3) ... [2025-03-15 01:25:36,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308e724c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:25:36, skipping insertion in model container [2025-03-15 01:25:36,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:25:35" (2/3) ... [2025-03-15 01:25:36,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308e724c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:25:36, skipping insertion in model container [2025-03-15 01:25:36,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:25:36" (3/3) ... [2025-03-15 01:25:36,413 INFO L128 eAbstractionObserver]: Analyzing ICFG sync01.i [2025-03-15 01:25:36,424 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:25:36,425 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG sync01.i that has 3 procedures, 295 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-15 01:25:36,425 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:25:36,489 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:25:36,533 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:25:36,543 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;@7e1e6231, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:25:36,543 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-15 01:25:36,626 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:25:36,627 INFO L124 PetriNetUnfolderBase]: 1/251 cut-off events. [2025-03-15 01:25:36,628 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:25:36,628 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:25:36,634 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:36,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-15 01:25:36,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:25:36,642 INFO L85 PathProgramCache]: Analyzing trace with hash -566454296, now seen corresponding path program 1 times [2025-03-15 01:25:36,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:25:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312632754] [2025-03-15 01:25:36,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:25:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:25:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:25:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:25:37,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:25:37,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312632754] [2025-03-15 01:25:37,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312632754] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:25:37,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:25:37,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:25:37,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636657534] [2025-03-15 01:25:37,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:25:37,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:25:37,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:25:37,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:25:37,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:25:37,269 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 298 [2025-03-15 01:25:37,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 298 transitions, 610 flow. Second operand has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:37,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:25:37,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 298 [2025-03-15 01:25:37,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:25:37,410 INFO L124 PetriNetUnfolderBase]: 34/387 cut-off events. [2025-03-15 01:25:37,410 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-03-15 01:25:37,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 387 events. 34/387 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 463 event pairs, 17 based on Foata normal form. 2/368 useless extension candidates. Maximal degree in co-relation 258. Up to 41 conditions per place. [2025-03-15 01:25:37,418 INFO L140 encePairwiseOnDemand]: 291/298 looper letters, 17 selfloop transitions, 2 changer transitions 16/293 dead transitions. [2025-03-15 01:25:37,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 293 transitions, 648 flow [2025-03-15 01:25:37,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:25:37,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:25:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2025-03-15 01:25:37,430 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.941834451901566 [2025-03-15 01:25:37,433 INFO L298 CegarLoopForPetriNet]: 301 programPoint places, -4 predicate places. [2025-03-15 01:25:37,433 INFO L471 AbstractCegarLoop]: Abstraction has has 297 places, 293 transitions, 648 flow [2025-03-15 01:25:37,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.0) internal successors, (819), 3 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:37,434 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:25:37,434 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:37,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:25:37,434 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-15 01:25:37,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:25:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash -113598212, now seen corresponding path program 1 times [2025-03-15 01:25:37,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:25:37,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592730216] [2025-03-15 01:25:37,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:25:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:25:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:25:37,755 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 01:25:37,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:25:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592730216] [2025-03-15 01:25:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592730216] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:25:37,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:25:37,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:25:37,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854191014] [2025-03-15 01:25:37,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:25:37,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:25:37,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:25:37,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:25:37,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:25:37,762 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 298 [2025-03-15 01:25:37,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 293 transitions, 648 flow. Second operand has 4 states, 4 states have (on average 268.0) internal successors, (1072), 4 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:37,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:25:37,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 298 [2025-03-15 01:25:37,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:25:37,922 INFO L124 PetriNetUnfolderBase]: 55/414 cut-off events. [2025-03-15 01:25:37,923 INFO L125 PetriNetUnfolderBase]: For 67/85 co-relation queries the response was YES. [2025-03-15 01:25:37,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 655 conditions, 414 events. 55/414 cut-off events. For 67/85 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 546 event pairs, 11 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 368. Up to 52 conditions per place. [2025-03-15 01:25:37,926 INFO L140 encePairwiseOnDemand]: 291/298 looper letters, 28 selfloop transitions, 4 changer transitions 20/304 dead transitions. [2025-03-15 01:25:37,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 299 places, 304 transitions, 781 flow [2025-03-15 01:25:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:25:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:25:37,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1373 transitions. [2025-03-15 01:25:37,929 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9214765100671141 [2025-03-15 01:25:37,930 INFO L298 CegarLoopForPetriNet]: 301 programPoint places, -2 predicate places. [2025-03-15 01:25:37,930 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 304 transitions, 781 flow [2025-03-15 01:25:37,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 268.0) internal successors, (1072), 4 states have internal predecessors, (1072), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:37,933 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:25:37,933 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:37,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:25:37,934 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-15 01:25:37,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:25:37,935 INFO L85 PathProgramCache]: Analyzing trace with hash 492785922, now seen corresponding path program 1 times [2025-03-15 01:25:37,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:25:37,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868490858] [2025-03-15 01:25:37,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:25:37,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:25:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:25:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:25:38,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:25:38,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868490858] [2025-03-15 01:25:38,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868490858] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:25:38,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:25:38,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:25:38,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648834958] [2025-03-15 01:25:38,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:25:38,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:25:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:25:38,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:25:38,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:25:38,265 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 264 out of 298 [2025-03-15 01:25:38,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 304 transitions, 781 flow. Second operand has 5 states, 5 states have (on average 267.6) internal successors, (1338), 5 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:38,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:25:38,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 264 of 298 [2025-03-15 01:25:38,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:25:38,370 INFO L124 PetriNetUnfolderBase]: 7/315 cut-off events. [2025-03-15 01:25:38,370 INFO L125 PetriNetUnfolderBase]: For 96/120 co-relation queries the response was YES. [2025-03-15 01:25:38,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 315 events. 7/315 cut-off events. For 96/120 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 117 event pairs, 1 based on Foata normal form. 17/326 useless extension candidates. Maximal degree in co-relation 279. Up to 22 conditions per place. [2025-03-15 01:25:38,371 INFO L140 encePairwiseOnDemand]: 289/298 looper letters, 17 selfloop transitions, 10 changer transitions 17/292 dead transitions. [2025-03-15 01:25:38,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 292 transitions, 775 flow [2025-03-15 01:25:38,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:25:38,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:25:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1358 transitions. [2025-03-15 01:25:38,375 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9114093959731544 [2025-03-15 01:25:38,376 INFO L298 CegarLoopForPetriNet]: 301 programPoint places, 2 predicate places. [2025-03-15 01:25:38,376 INFO L471 AbstractCegarLoop]: Abstraction has has 303 places, 292 transitions, 775 flow [2025-03-15 01:25:38,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 267.6) internal successors, (1338), 5 states have internal predecessors, (1338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:38,378 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:25:38,378 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:38,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:25:38,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-15 01:25:38,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:25:38,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1091788669, now seen corresponding path program 1 times [2025-03-15 01:25:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:25:38,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942098341] [2025-03-15 01:25:38,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:25:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:25:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:25:38,617 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 01:25:38,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:25:38,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942098341] [2025-03-15 01:25:38,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942098341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:25:38,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:25:38,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:25:38,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592042451] [2025-03-15 01:25:38,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:25:38,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:25:38,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:25:38,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:25:38,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:25:38,621 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 298 [2025-03-15 01:25:38,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 292 transitions, 775 flow. Second operand has 6 states, 6 states have (on average 263.6666666666667) internal successors, (1582), 6 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:38,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:25:38,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 298 [2025-03-15 01:25:38,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:25:38,758 INFO L124 PetriNetUnfolderBase]: 7/311 cut-off events. [2025-03-15 01:25:38,758 INFO L125 PetriNetUnfolderBase]: For 130/166 co-relation queries the response was YES. [2025-03-15 01:25:38,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 311 events. 7/311 cut-off events. For 130/166 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 1 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 286. Up to 21 conditions per place. [2025-03-15 01:25:38,760 INFO L140 encePairwiseOnDemand]: 289/298 looper letters, 19 selfloop transitions, 6 changer transitions 17/291 dead transitions. [2025-03-15 01:25:38,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 291 transitions, 839 flow [2025-03-15 01:25:38,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:25:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:25:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1860 transitions. [2025-03-15 01:25:38,763 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8916586768935763 [2025-03-15 01:25:38,764 INFO L298 CegarLoopForPetriNet]: 301 programPoint places, 7 predicate places. [2025-03-15 01:25:38,764 INFO L471 AbstractCegarLoop]: Abstraction has has 308 places, 291 transitions, 839 flow [2025-03-15 01:25:38,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 263.6666666666667) internal successors, (1582), 6 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:38,766 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:25:38,766 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:25:38,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:25:38,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-03-15 01:25:38,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:25:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash 514290313, now seen corresponding path program 1 times [2025-03-15 01:25:38,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:25:38,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058982104] [2025-03-15 01:25:38,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:25:38,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:25:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:25:38,927 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 01:25:38,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:25:38,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058982104] [2025-03-15 01:25:38,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058982104] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:25:38,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:25:38,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:25:38,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598644289] [2025-03-15 01:25:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:25:38,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:25:38,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:25:38,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:25:38,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:25:38,930 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 266 out of 298 [2025-03-15 01:25:38,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 308 places, 291 transitions, 839 flow. Second operand has 4 states, 4 states have (on average 269.5) internal successors, (1078), 4 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:38,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:25:38,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 266 of 298 [2025-03-15 01:25:38,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:25:39,006 INFO L124 PetriNetUnfolderBase]: 7/310 cut-off events. [2025-03-15 01:25:39,007 INFO L125 PetriNetUnfolderBase]: For 209/269 co-relation queries the response was YES. [2025-03-15 01:25:39,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 310 events. 7/310 cut-off events. For 209/269 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 1 based on Foata normal form. 0/306 useless extension candidates. Maximal degree in co-relation 293. Up to 35 conditions per place. [2025-03-15 01:25:39,009 INFO L140 encePairwiseOnDemand]: 291/298 looper letters, 0 selfloop transitions, 0 changer transitions 290/290 dead transitions. [2025-03-15 01:25:39,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 290 transitions, 893 flow [2025-03-15 01:25:39,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:25:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:25:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1355 transitions. [2025-03-15 01:25:39,012 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9093959731543624 [2025-03-15 01:25:39,012 INFO L298 CegarLoopForPetriNet]: 301 programPoint places, 10 predicate places. [2025-03-15 01:25:39,012 INFO L471 AbstractCegarLoop]: Abstraction has has 311 places, 290 transitions, 893 flow [2025-03-15 01:25:39,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 269.5) internal successors, (1078), 4 states have internal predecessors, (1078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:25:39,025 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/sync01.i_petrified1_AllErrorsAtOnce [2025-03-15 01:25:39,050 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2025-03-15 01:25:39,051 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2025-03-15 01:25:39,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:25:39,052 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:25:39,055 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:25:39,055 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:25:39,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:25:39 BasicIcfg [2025-03-15 01:25:39,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:25:39,062 INFO L158 Benchmark]: Toolchain (without parser) took 3617.73ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 43.5MB in the beginning and 64.5MB in the end (delta: -21.0MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. [2025-03-15 01:25:39,062 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:25:39,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.94ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.2MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. [2025-03-15 01:25:39,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 35.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:25:39,063 INFO L158 Benchmark]: Boogie Preprocessor took 19.10ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 33.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:25:39,064 INFO L158 Benchmark]: RCFGBuilder took 534.34ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 32.1MB in the end (delta: 944.6kB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. [2025-03-15 01:25:39,064 INFO L158 Benchmark]: TraceAbstraction took 2656.97ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 31.1MB in the beginning and 64.5MB in the end (delta: -33.4MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2025-03-15 01:25:39,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 358.94ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 38.2MB in the end (delta: 5.2MB). Peak memory consumption was 30.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 35.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 19.10ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 33.1MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 534.34ms. Allocated memory is still 71.3MB. Free memory was 33.1MB in the beginning and 32.1MB in the end (delta: 944.6kB). Peak memory consumption was 20.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2656.97ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 31.1MB in the beginning and 64.5MB in the end (delta: -33.4MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 948]: 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 5 procedures, 333 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 45 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=893occurred in iteration=5, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 01:25:39,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...