/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/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:22:15,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:22:15,956 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 01:22:15,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:22:15,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:22:15,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:22:15,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:22:15,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:22:15,986 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:22:15,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:22:15,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:22:16,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:22:16,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:22:16,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:22:16,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:22:16,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:22:16,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:22:16,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:22:16,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:22:16,003 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 01:22:16,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:22:16,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:22:16,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:22:16,315 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:22:16,316 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:22:16,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2025-03-15 01:22:17,613 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8923bc5/f5922faad943493cba84c89b03cc349d/FLAG926acbb0b [2025-03-15 01:22:17,911 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:22:17,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2025-03-15 01:22:17,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8923bc5/f5922faad943493cba84c89b03cc349d/FLAG926acbb0b [2025-03-15 01:22:18,205 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a8923bc5/f5922faad943493cba84c89b03cc349d [2025-03-15 01:22:18,207 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:22:18,208 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:22:18,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:22:18,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:22:18,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:22:18,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70720920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18, skipping insertion in model container [2025-03-15 01:22:18,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:22:18,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:22:18,494 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:22:18,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:22:18,562 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:22:18,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18 WrapperNode [2025-03-15 01:22:18,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:22:18,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:22:18,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:22:18,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:22:18,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,591 INFO L138 Inliner]: procedures = 169, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2025-03-15 01:22:18,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:22:18,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:22:18,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:22:18,592 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:22:18,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:22:18,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:22:18,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:22:18,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:22:18,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (1/1) ... [2025-03-15 01:22:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:22:18,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:22:18,638 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 01:22:18,642 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 01:22:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 01:22:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 01:22:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 01:22:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 01:22:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-15 01:22:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-15 01:22:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:22:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:22:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:22:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:22:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:22:18,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:22:18,676 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 01:22:18,776 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:22:18,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:22:18,937 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:22:18,938 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:22:18,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:22:18,958 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:22:18,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:22:18 BoogieIcfgContainer [2025-03-15 01:22:18,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:22:18,961 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:22:18,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:22:18,965 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:22:18,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:22:18" (1/3) ... [2025-03-15 01:22:18,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:22:18, skipping insertion in model container [2025-03-15 01:22:18,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:22:18" (2/3) ... [2025-03-15 01:22:18,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2783cc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:22:18, skipping insertion in model container [2025-03-15 01:22:18,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:22:18" (3/3) ... [2025-03-15 01:22:18,967 INFO L128 eAbstractionObserver]: Analyzing ICFG lazy01.i [2025-03-15 01:22:18,981 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:22:18,982 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG lazy01.i that has 4 procedures, 88 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:22:18,983 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:22:19,045 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-15 01:22:19,083 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:22:19,096 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;@3eb246d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:22:19,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2025-03-15 01:22:19,122 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:22:19,123 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-03-15 01:22:19,124 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:22:19,125 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:19,125 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] [2025-03-15 01:22:19,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:19,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:19,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1675961661, now seen corresponding path program 1 times [2025-03-15 01:22:19,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:19,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708794973] [2025-03-15 01:22:19,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:19,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:19,486 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 01:22:19,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:19,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708794973] [2025-03-15 01:22:19,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708794973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:19,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:19,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:22:19,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310508052] [2025-03-15 01:22:19,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:19,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:22:19,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:19,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:22:19,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:22:19,520 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2025-03-15 01:22:19,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 89 transitions, 199 flow. Second operand has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 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 01:22:19,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:19,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2025-03-15 01:22:19,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:19,930 INFO L124 PetriNetUnfolderBase]: 633/1494 cut-off events. [2025-03-15 01:22:19,930 INFO L125 PetriNetUnfolderBase]: For 211/211 co-relation queries the response was YES. [2025-03-15 01:22:19,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2759 conditions, 1494 events. 633/1494 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10636 event pairs, 130 based on Foata normal form. 110/1460 useless extension candidates. Maximal degree in co-relation 2639. Up to 616 conditions per place. [2025-03-15 01:22:19,952 INFO L140 encePairwiseOnDemand]: 77/89 looper letters, 47 selfloop transitions, 5 changer transitions 19/122 dead transitions. [2025-03-15 01:22:19,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 122 transitions, 414 flow [2025-03-15 01:22:19,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:22:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:22:19,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 376 transitions. [2025-03-15 01:22:19,969 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8449438202247191 [2025-03-15 01:22:19,974 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2025-03-15 01:22:19,974 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 122 transitions, 414 flow [2025-03-15 01:22:19,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 60.25) internal successors, (241), 4 states have internal predecessors, (241), 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 01:22:19,975 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:19,975 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:22:19,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:22:19,975 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:19,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1690055782, now seen corresponding path program 1 times [2025-03-15 01:22:19,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:19,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220819802] [2025-03-15 01:22:19,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:20,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:22:20,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:20,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220819802] [2025-03-15 01:22:20,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220819802] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:20,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:20,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:22:20,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108298391] [2025-03-15 01:22:20,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:20,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:22:20,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:20,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:22:20,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:22:20,146 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 89 [2025-03-15 01:22:20,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 122 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 01:22:20,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:20,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 89 [2025-03-15 01:22:20,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:20,251 INFO L124 PetriNetUnfolderBase]: 66/333 cut-off events. [2025-03-15 01:22:20,251 INFO L125 PetriNetUnfolderBase]: For 309/337 co-relation queries the response was YES. [2025-03-15 01:22:20,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 333 events. 66/333 cut-off events. For 309/337 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1812 event pairs, 16 based on Foata normal form. 74/379 useless extension candidates. Maximal degree in co-relation 512. Up to 150 conditions per place. [2025-03-15 01:22:20,253 INFO L140 encePairwiseOnDemand]: 83/89 looper letters, 22 selfloop transitions, 10 changer transitions 15/107 dead transitions. [2025-03-15 01:22:20,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 107 transitions, 442 flow [2025-03-15 01:22:20,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:22:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:22:20,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2025-03-15 01:22:20,255 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.850187265917603 [2025-03-15 01:22:20,255 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, 1 predicate places. [2025-03-15 01:22:20,255 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 107 transitions, 442 flow [2025-03-15 01:22:20,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 3 states have internal predecessors, (212), 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 01:22:20,256 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:20,256 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] [2025-03-15 01:22:20,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:22:20,256 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:20,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:20,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1653190005, now seen corresponding path program 1 times [2025-03-15 01:22:20,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:20,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585370145] [2025-03-15 01:22:20,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:20,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:20,354 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 01:22:20,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:20,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585370145] [2025-03-15 01:22:20,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585370145] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:20,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:20,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:22:20,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109196724] [2025-03-15 01:22:20,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:20,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:22:20,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:20,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:22:20,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:22:20,356 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2025-03-15 01:22:20,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 107 transitions, 442 flow. Second operand has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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 01:22:20,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:20,357 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2025-03-15 01:22:20,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:20,509 INFO L124 PetriNetUnfolderBase]: 73/348 cut-off events. [2025-03-15 01:22:20,509 INFO L125 PetriNetUnfolderBase]: For 388/470 co-relation queries the response was YES. [2025-03-15 01:22:20,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 348 events. 73/348 cut-off events. For 388/470 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1913 event pairs, 19 based on Foata normal form. 0/321 useless extension candidates. Maximal degree in co-relation 810. Up to 168 conditions per place. [2025-03-15 01:22:20,513 INFO L140 encePairwiseOnDemand]: 81/89 looper letters, 44 selfloop transitions, 5 changer transitions 22/120 dead transitions. [2025-03-15 01:22:20,513 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 120 transitions, 672 flow [2025-03-15 01:22:20,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:22:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:22:20,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 348 transitions. [2025-03-15 01:22:20,516 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7820224719101123 [2025-03-15 01:22:20,517 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, 4 predicate places. [2025-03-15 01:22:20,517 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 120 transitions, 672 flow [2025-03-15 01:22:20,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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 01:22:20,517 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:20,517 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:22:20,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:22:20,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:20,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:20,518 INFO L85 PathProgramCache]: Analyzing trace with hash -806283855, now seen corresponding path program 1 times [2025-03-15 01:22:20,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:20,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305924425] [2025-03-15 01:22:20,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:20,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:20,629 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 01:22:20,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:20,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305924425] [2025-03-15 01:22:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305924425] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:20,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:20,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:22:20,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657145998] [2025-03-15 01:22:20,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:20,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:22:20,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:20,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:22:20,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:22:20,631 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2025-03-15 01:22:20,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 120 transitions, 672 flow. Second operand has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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 01:22:20,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:20,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2025-03-15 01:22:20,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:20,780 INFO L124 PetriNetUnfolderBase]: 70/346 cut-off events. [2025-03-15 01:22:20,781 INFO L125 PetriNetUnfolderBase]: For 542/770 co-relation queries the response was YES. [2025-03-15 01:22:20,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1213 conditions, 346 events. 70/346 cut-off events. For 542/770 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1867 event pairs, 19 based on Foata normal form. 6/330 useless extension candidates. Maximal degree in co-relation 955. Up to 160 conditions per place. [2025-03-15 01:22:20,783 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 43 selfloop transitions, 5 changer transitions 31/128 dead transitions. [2025-03-15 01:22:20,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 128 transitions, 895 flow [2025-03-15 01:22:20,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:22:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:22:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 408 transitions. [2025-03-15 01:22:20,784 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7640449438202247 [2025-03-15 01:22:20,785 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, 8 predicate places. [2025-03-15 01:22:20,785 INFO L471 AbstractCegarLoop]: Abstraction has has 105 places, 128 transitions, 895 flow [2025-03-15 01:22:20,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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 01:22:20,785 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:20,785 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:22:20,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:22:20,786 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:20,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:20,786 INFO L85 PathProgramCache]: Analyzing trace with hash -290717153, now seen corresponding path program 1 times [2025-03-15 01:22:20,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:20,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971046617] [2025-03-15 01:22:20,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:20,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:20,867 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 01:22:20,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:20,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971046617] [2025-03-15 01:22:20,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971046617] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:20,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:20,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:22:20,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834380395] [2025-03-15 01:22:20,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:20,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:22:20,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:20,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:22:20,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:22:20,869 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2025-03-15 01:22:20,869 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 128 transitions, 895 flow. Second operand has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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 01:22:20,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:20,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2025-03-15 01:22:20,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:21,005 INFO L124 PetriNetUnfolderBase]: 71/399 cut-off events. [2025-03-15 01:22:21,006 INFO L125 PetriNetUnfolderBase]: For 915/1134 co-relation queries the response was YES. [2025-03-15 01:22:21,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1546 conditions, 399 events. 71/399 cut-off events. For 915/1134 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2268 event pairs, 10 based on Foata normal form. 11/392 useless extension candidates. Maximal degree in co-relation 937. Up to 173 conditions per place. [2025-03-15 01:22:21,008 INFO L140 encePairwiseOnDemand]: 80/89 looper letters, 27 selfloop transitions, 4 changer transitions 64/141 dead transitions. [2025-03-15 01:22:21,008 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 141 transitions, 1228 flow [2025-03-15 01:22:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:22:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:22:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 470 transitions. [2025-03-15 01:22:21,011 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7544141252006421 [2025-03-15 01:22:21,011 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, 13 predicate places. [2025-03-15 01:22:21,011 INFO L471 AbstractCegarLoop]: Abstraction has has 110 places, 141 transitions, 1228 flow [2025-03-15 01:22:21,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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 01:22:21,011 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:22:21,012 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] [2025-03-15 01:22:21,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:22:21,012 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 8 more)] === [2025-03-15 01:22:21,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:22:21,012 INFO L85 PathProgramCache]: Analyzing trace with hash -415504272, now seen corresponding path program 1 times [2025-03-15 01:22:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:22:21,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406612260] [2025-03-15 01:22:21,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:22:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:22:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:22:21,081 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 01:22:21,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:22:21,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406612260] [2025-03-15 01:22:21,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406612260] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:22:21,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:22:21,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:22:21,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243780298] [2025-03-15 01:22:21,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:22:21,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:22:21,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:22:21,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:22:21,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:22:21,083 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 89 [2025-03-15 01:22:21,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 141 transitions, 1228 flow. Second operand has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 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 01:22:21,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:22:21,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 89 [2025-03-15 01:22:21,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:22:21,194 INFO L124 PetriNetUnfolderBase]: 67/373 cut-off events. [2025-03-15 01:22:21,194 INFO L125 PetriNetUnfolderBase]: For 1149/1382 co-relation queries the response was YES. [2025-03-15 01:22:21,195 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1678 conditions, 373 events. 67/373 cut-off events. For 1149/1382 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2029 event pairs, 6 based on Foata normal form. 9/371 useless extension candidates. Maximal degree in co-relation 1030. Up to 162 conditions per place. [2025-03-15 01:22:21,196 INFO L140 encePairwiseOnDemand]: 82/89 looper letters, 0 selfloop transitions, 0 changer transitions 148/148 dead transitions. [2025-03-15 01:22:21,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 148 transitions, 1513 flow [2025-03-15 01:22:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:22:21,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:22:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 404 transitions. [2025-03-15 01:22:21,197 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7565543071161048 [2025-03-15 01:22:21,197 INFO L298 CegarLoopForPetriNet]: 97 programPoint places, 17 predicate places. [2025-03-15 01:22:21,197 INFO L471 AbstractCegarLoop]: Abstraction has has 114 places, 148 transitions, 1513 flow [2025-03-15 01:22:21,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.6) internal successors, (308), 5 states have internal predecessors, (308), 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 01:22:21,202 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/lazy01.i_petrified1_AllErrorsAtOnce [2025-03-15 01:22:21,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 11 remaining) [2025-03-15 01:22:21,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 11 remaining) [2025-03-15 01:22:21,213 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 11 remaining) [2025-03-15 01:22:21,214 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 11 remaining) [2025-03-15 01:22:21,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:22:21,214 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 01:22:21,217 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:22:21,217 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:22:21,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:22:21 BasicIcfg [2025-03-15 01:22:21,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:22:21,222 INFO L158 Benchmark]: Toolchain (without parser) took 3014.40ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 43.4MB in the beginning and 28.6MB in the end (delta: 14.8MB). Peak memory consumption was 73.3MB. Max. memory is 8.0GB. [2025-03-15 01:22:21,222 INFO L158 Benchmark]: CDTParser took 0.25ms. 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 01:22:21,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.70ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 23.7MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:22:21,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.93ms. Allocated memory is still 71.3MB. Free memory was 23.7MB in the beginning and 22.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:22:21,223 INFO L158 Benchmark]: Boogie Preprocessor took 18.69ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:22:21,223 INFO L158 Benchmark]: RCFGBuilder took 346.79ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 33.5MB in the end (delta: -12.5MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. [2025-03-15 01:22:21,223 INFO L158 Benchmark]: TraceAbstraction took 2260.83ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 32.6MB in the beginning and 28.6MB in the end (delta: 4.0MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. [2025-03-15 01:22:21,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.70ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 23.7MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.93ms. Allocated memory is still 71.3MB. Free memory was 23.7MB in the beginning and 22.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.69ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 21.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 346.79ms. Allocated memory is still 71.3MB. Free memory was 21.0MB in the beginning and 33.5MB in the end (delta: -12.5MB). Peak memory consumption was 2.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2260.83ms. Allocated memory was 71.3MB in the beginning and 130.0MB in the end (delta: 58.7MB). Free memory was 32.6MB in the beginning and 28.6MB in the end (delta: 4.0MB). Peak memory consumption was 66.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 707]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 707]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 714]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 714]: 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 7 procedures, 133 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 164 mSDsluCounter, 69 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 495 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 36 mSDtfsCounter, 495 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1513occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 236 ConstructedInterpolants, 0 QuantifiedInterpolants, 516 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:22:21,236 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...