/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-deagle/circular_buffer_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 03:10:33,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 03:10:34,035 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 03:10:34,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 03:10:34,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 03:10:34,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 03:10:34,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 03:10:34,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 03:10:34,086 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 03:10:34,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 03:10:34,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 03:10:34,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 03:10:34,087 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 03:10:34,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 03:10:34,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 03:10:34,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 03:10:34,384 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 03:10:34,384 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 03:10:34,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2025-03-15 03:10:35,607 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5662bb539/469af92b25fc4c65acf27747cbfe5886/FLAG4e4709d64 [2025-03-15 03:10:35,820 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 03:10:35,821 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2025-03-15 03:10:35,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5662bb539/469af92b25fc4c65acf27747cbfe5886/FLAG4e4709d64 [2025-03-15 03:10:35,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5662bb539/469af92b25fc4c65acf27747cbfe5886 [2025-03-15 03:10:35,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 03:10:35,849 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 03:10:35,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 03:10:35,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 03:10:35,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 03:10:35,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:10:35" (1/1) ... [2025-03-15 03:10:35,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c09d434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:35, skipping insertion in model container [2025-03-15 03:10:35,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:10:35" (1/1) ... [2025-03-15 03:10:35,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 03:10:36,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 03:10:36,116 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 03:10:36,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 03:10:36,200 INFO L204 MainTranslator]: Completed translation [2025-03-15 03:10:36,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36 WrapperNode [2025-03-15 03:10:36,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 03:10:36,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 03:10:36,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 03:10:36,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 03:10:36,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,243 INFO L138 Inliner]: procedures = 168, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2025-03-15 03:10:36,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 03:10:36,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 03:10:36,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 03:10:36,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 03:10:36,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,264 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 03:10:36,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 03:10:36,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 03:10:36,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 03:10:36,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (1/1) ... [2025-03-15 03:10:36,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 03:10:36,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 03:10:36,350 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 03:10:36,356 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 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-03-15 03:10:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-03-15 03:10:36,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 03:10:36,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 03:10:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 03:10:36,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 03:10:36,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 03:10:36,375 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 03:10:36,480 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 03:10:36,481 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 03:10:36,713 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 03:10:36,714 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 03:10:36,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 03:10:36,732 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 03:10:36,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:10:36 BoogieIcfgContainer [2025-03-15 03:10:36,732 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 03:10:36,734 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 03:10:36,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 03:10:36,738 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 03:10:36,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:10:35" (1/3) ... [2025-03-15 03:10:36,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6edc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:10:36, skipping insertion in model container [2025-03-15 03:10:36,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:36" (2/3) ... [2025-03-15 03:10:36,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a6edc70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:10:36, skipping insertion in model container [2025-03-15 03:10:36,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:10:36" (3/3) ... [2025-03-15 03:10:36,740 INFO L128 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2025-03-15 03:10:36,754 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 03:10:36,756 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG circular_buffer_ok.i that has 3 procedures, 160 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-03-15 03:10:36,756 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 03:10:36,848 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 03:10:36,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 03:10:36,918 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;@13bb1b65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 03:10:36,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-03-15 03:10:36,966 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 03:10:36,966 INFO L124 PetriNetUnfolderBase]: 0/85 cut-off events. [2025-03-15 03:10:36,968 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 03:10:36,968 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:36,970 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 03:10:36,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:36,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:36,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1638841180, now seen corresponding path program 1 times [2025-03-15 03:10:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:36,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217685395] [2025-03-15 03:10:36,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:36,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:37,374 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 03:10:37,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:37,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217685395] [2025-03-15 03:10:37,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217685395] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:37,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:37,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 03:10:37,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862711793] [2025-03-15 03:10:37,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:37,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 03:10:37,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:37,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 03:10:37,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 03:10:37,425 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 171 [2025-03-15 03:10:37,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 171 transitions, 356 flow. Second operand has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:37,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:37,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 171 [2025-03-15 03:10:37,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:37,722 INFO L124 PetriNetUnfolderBase]: 131/635 cut-off events. [2025-03-15 03:10:37,723 INFO L125 PetriNetUnfolderBase]: For 43/54 co-relation queries the response was YES. [2025-03-15 03:10:37,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 635 events. 131/635 cut-off events. For 43/54 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3817 event pairs, 54 based on Foata normal form. 54/609 useless extension candidates. Maximal degree in co-relation 845. Up to 144 conditions per place. [2025-03-15 03:10:37,739 INFO L140 encePairwiseOnDemand]: 158/171 looper letters, 39 selfloop transitions, 4 changer transitions 5/178 dead transitions. [2025-03-15 03:10:37,739 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 178 transitions, 465 flow [2025-03-15 03:10:37,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 03:10:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 03:10:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 758 transitions. [2025-03-15 03:10:37,753 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8865497076023392 [2025-03-15 03:10:37,757 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, -4 predicate places. [2025-03-15 03:10:37,757 INFO L471 AbstractCegarLoop]: Abstraction has has 162 places, 178 transitions, 465 flow [2025-03-15 03:10:37,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:37,757 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:37,758 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] [2025-03-15 03:10:37,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 03:10:37,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:37,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:37,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1808013397, now seen corresponding path program 1 times [2025-03-15 03:10:37,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:37,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204666753] [2025-03-15 03:10:37,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:37,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:37,912 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 03:10:37,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:37,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204666753] [2025-03-15 03:10:37,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204666753] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:37,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:37,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 03:10:37,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238665037] [2025-03-15 03:10:37,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:37,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 03:10:37,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:37,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 03:10:37,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 03:10:37,918 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 171 [2025-03-15 03:10:37,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 178 transitions, 465 flow. Second operand has 4 states, 4 states have (on average 145.25) internal successors, (581), 4 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:37,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:37,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 171 [2025-03-15 03:10:37,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:38,152 INFO L124 PetriNetUnfolderBase]: 298/1258 cut-off events. [2025-03-15 03:10:38,153 INFO L125 PetriNetUnfolderBase]: For 404/579 co-relation queries the response was YES. [2025-03-15 03:10:38,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2190 conditions, 1258 events. 298/1258 cut-off events. For 404/579 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 9066 event pairs, 127 based on Foata normal form. 24/1118 useless extension candidates. Maximal degree in co-relation 1961. Up to 258 conditions per place. [2025-03-15 03:10:38,166 INFO L140 encePairwiseOnDemand]: 164/171 looper letters, 54 selfloop transitions, 4 changer transitions 5/207 dead transitions. [2025-03-15 03:10:38,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 207 transitions, 696 flow [2025-03-15 03:10:38,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 03:10:38,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 03:10:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 754 transitions. [2025-03-15 03:10:38,170 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8818713450292398 [2025-03-15 03:10:38,171 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, 0 predicate places. [2025-03-15 03:10:38,171 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 207 transitions, 696 flow [2025-03-15 03:10:38,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 145.25) internal successors, (581), 4 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:38,172 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:38,172 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:38,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 03:10:38,172 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:38,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:38,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1496656342, now seen corresponding path program 1 times [2025-03-15 03:10:38,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:38,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94018495] [2025-03-15 03:10:38,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:38,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:38,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:38,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94018495] [2025-03-15 03:10:38,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94018495] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 03:10:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104564462] [2025-03-15 03:10:38,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:38,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 03:10:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 03:10:38,370 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 03:10:38,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-15 03:10:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:38,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 03:10:38,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 03:10:38,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:38,556 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 03:10:38,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104564462] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:38,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 03:10:38,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 03:10:38,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463196384] [2025-03-15 03:10:38,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:38,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 03:10:38,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:38,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 03:10:38,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 03:10:38,559 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 171 [2025-03-15 03:10:38,564 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 207 transitions, 696 flow. Second operand has 6 states, 6 states have (on average 141.66666666666666) internal successors, (850), 6 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:38,564 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:38,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 171 [2025-03-15 03:10:38,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:38,829 INFO L124 PetriNetUnfolderBase]: 277/1168 cut-off events. [2025-03-15 03:10:38,830 INFO L125 PetriNetUnfolderBase]: For 740/1001 co-relation queries the response was YES. [2025-03-15 03:10:38,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2486 conditions, 1168 events. 277/1168 cut-off events. For 740/1001 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 8338 event pairs, 83 based on Foata normal form. 20/1035 useless extension candidates. Maximal degree in co-relation 2255. Up to 249 conditions per place. [2025-03-15 03:10:38,843 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 69 selfloop transitions, 6 changer transitions 5/216 dead transitions. [2025-03-15 03:10:38,843 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 216 transitions, 910 flow [2025-03-15 03:10:38,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 03:10:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 03:10:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1023 transitions. [2025-03-15 03:10:38,846 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8546365914786967 [2025-03-15 03:10:38,846 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, 5 predicate places. [2025-03-15 03:10:38,849 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 216 transitions, 910 flow [2025-03-15 03:10:38,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.66666666666666) internal successors, (850), 6 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:38,850 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:38,850 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:38,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-15 03:10:39,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 03:10:39,051 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:39,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -848293192, now seen corresponding path program 1 times [2025-03-15 03:10:39,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:39,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586355478] [2025-03-15 03:10:39,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 03:10:39,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:39,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586355478] [2025-03-15 03:10:39,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586355478] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:39,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:39,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 03:10:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978558780] [2025-03-15 03:10:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:39,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 03:10:39,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:39,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 03:10:39,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 03:10:39,133 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 171 [2025-03-15 03:10:39,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 216 transitions, 910 flow. Second operand has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:39,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:39,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 171 [2025-03-15 03:10:39,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:39,316 INFO L124 PetriNetUnfolderBase]: 272/1156 cut-off events. [2025-03-15 03:10:39,317 INFO L125 PetriNetUnfolderBase]: For 1296/1659 co-relation queries the response was YES. [2025-03-15 03:10:39,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2858 conditions, 1156 events. 272/1156 cut-off events. For 1296/1659 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 8213 event pairs, 83 based on Foata normal form. 21/1031 useless extension candidates. Maximal degree in co-relation 2599. Up to 244 conditions per place. [2025-03-15 03:10:39,326 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 76 selfloop transitions, 8 changer transitions 5/225 dead transitions. [2025-03-15 03:10:39,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 225 transitions, 1160 flow [2025-03-15 03:10:39,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 03:10:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 03:10:39,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 727 transitions. [2025-03-15 03:10:39,328 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8502923976608188 [2025-03-15 03:10:39,329 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, 8 predicate places. [2025-03-15 03:10:39,329 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 225 transitions, 1160 flow [2025-03-15 03:10:39,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 143.25) internal successors, (573), 4 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:39,329 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:39,329 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:39,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 03:10:39,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:39,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:39,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1811500351, now seen corresponding path program 1 times [2025-03-15 03:10:39,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:39,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842882854] [2025-03-15 03:10:39,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:39,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:39,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:39,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:39,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842882854] [2025-03-15 03:10:39,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842882854] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 03:10:39,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148868603] [2025-03-15 03:10:39,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:39,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 03:10:39,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 03:10:39,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 03:10:39,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-15 03:10:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:39,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 03:10:39,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 03:10:39,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:39,606 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 03:10:39,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148868603] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:39,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 03:10:39,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-15 03:10:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935922516] [2025-03-15 03:10:39,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:39,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 03:10:39,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:39,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 03:10:39,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-15 03:10:39,608 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 171 [2025-03-15 03:10:39,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 225 transitions, 1160 flow. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:39,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:39,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 171 [2025-03-15 03:10:39,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:39,778 INFO L124 PetriNetUnfolderBase]: 285/1199 cut-off events. [2025-03-15 03:10:39,778 INFO L125 PetriNetUnfolderBase]: For 2184/3212 co-relation queries the response was YES. [2025-03-15 03:10:39,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3262 conditions, 1199 events. 285/1199 cut-off events. For 2184/3212 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 8587 event pairs, 45 based on Foata normal form. 75/1127 useless extension candidates. Maximal degree in co-relation 2942. Up to 248 conditions per place. [2025-03-15 03:10:39,794 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 82 selfloop transitions, 5 changer transitions 5/234 dead transitions. [2025-03-15 03:10:39,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 234 transitions, 1438 flow [2025-03-15 03:10:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 03:10:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 03:10:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 597 transitions. [2025-03-15 03:10:39,797 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8728070175438597 [2025-03-15 03:10:39,797 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, 10 predicate places. [2025-03-15 03:10:39,797 INFO L471 AbstractCegarLoop]: Abstraction has has 176 places, 234 transitions, 1438 flow [2025-03-15 03:10:39,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:39,798 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:39,798 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:39,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-15 03:10:39,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 03:10:39,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2025-03-15 03:10:39,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:39,999 INFO L85 PathProgramCache]: Analyzing trace with hash 321936552, now seen corresponding path program 1 times [2025-03-15 03:10:40,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:40,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365054797] [2025-03-15 03:10:40,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:40,074 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 03:10:40,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:40,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365054797] [2025-03-15 03:10:40,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365054797] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:40,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:40,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 03:10:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407772719] [2025-03-15 03:10:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:40,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 03:10:40,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:40,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 03:10:40,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 03:10:40,077 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 171 [2025-03-15 03:10:40,077 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 234 transitions, 1438 flow. Second operand has 4 states, 4 states have (on average 147.5) internal successors, (590), 4 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:40,077 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:40,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 171 [2025-03-15 03:10:40,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:40,240 INFO L124 PetriNetUnfolderBase]: 278/1185 cut-off events. [2025-03-15 03:10:40,240 INFO L125 PetriNetUnfolderBase]: For 2947/4632 co-relation queries the response was YES. [2025-03-15 03:10:40,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3565 conditions, 1185 events. 278/1185 cut-off events. For 2947/4632 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 8404 event pairs, 45 based on Foata normal form. 149/1204 useless extension candidates. Maximal degree in co-relation 3214. Up to 242 conditions per place. [2025-03-15 03:10:40,247 INFO L140 encePairwiseOnDemand]: 165/171 looper letters, 0 selfloop transitions, 0 changer transitions 243/243 dead transitions. [2025-03-15 03:10:40,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 243 transitions, 1752 flow [2025-03-15 03:10:40,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 03:10:40,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 03:10:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 743 transitions. [2025-03-15 03:10:40,248 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8690058479532163 [2025-03-15 03:10:40,249 INFO L298 CegarLoopForPetriNet]: 166 programPoint places, 13 predicate places. [2025-03-15 03:10:40,249 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 243 transitions, 1752 flow [2025-03-15 03:10:40,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.5) internal successors, (590), 4 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 03:10:40,254 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/circular_buffer_ok.i_petrified1_AllErrorsAtOnce [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2025-03-15 03:10:40,275 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2025-03-15 03:10:40,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2025-03-15 03:10:40,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 03:10:40,276 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 03:10:40,280 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 03:10:40,280 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 03:10:40,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:10:40 BasicIcfg [2025-03-15 03:10:40,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 03:10:40,285 INFO L158 Benchmark]: Toolchain (without parser) took 4436.31ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.8MB in the beginning and 41.3MB in the end (delta: 2.5MB). Peak memory consumption was 69.0MB. Max. memory is 8.0GB. [2025-03-15 03:10:40,285 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 03:10:40,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.92ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 23.2MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 03:10:40,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.80ms. Allocated memory is still 71.3MB. Free memory was 23.2MB in the beginning and 21.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 03:10:40,286 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 71.3MB. Free memory was 21.1MB in the beginning and 19.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 03:10:40,286 INFO L158 Benchmark]: RCFGBuilder took 443.26ms. Allocated memory is still 71.3MB. Free memory was 19.5MB in the beginning and 27.9MB in the end (delta: -8.4MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 03:10:40,286 INFO L158 Benchmark]: TraceAbstraction took 3550.69ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 26.9MB in the beginning and 41.3MB in the end (delta: -14.4MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2025-03-15 03:10:40,287 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 351.92ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 23.2MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 40.80ms. Allocated memory is still 71.3MB. Free memory was 23.2MB in the beginning and 21.1MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 71.3MB. Free memory was 21.1MB in the beginning and 19.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 443.26ms. Allocated memory is still 71.3MB. Free memory was 19.5MB in the beginning and 27.9MB in the end (delta: -8.4MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * TraceAbstraction took 3550.69ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 26.9MB in the beginning and 41.3MB in the end (delta: -14.4MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 725]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 725]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 743]: 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, 253 locations, 10 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: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 27 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1752occurred in iteration=6, InterpolantAutomatonStates: 31, 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, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 604 ConstructedInterpolants, 0 QuantifiedInterpolants, 826 SizeOfPredicates, 5 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 34/50 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 03:10:40,299 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...