/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 -i ../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-14 22:25:12,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 22:25:13,015 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 [2025-03-14 22:25:13,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 22:25:13,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 22:25:13,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 22:25:13,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 22:25:13,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 22:25:13,039 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 22:25:13,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 22:25:13,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 22:25:13,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 22:25:13,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 22:25:13,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 22:25:13,042 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 [2025-03-14 22:25:13,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 22:25:13,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 22:25:13,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 22:25:13,264 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 22:25:13,264 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 22:25:13,265 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2025-03-14 22:25:14,419 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e96b8abb/05642ee35a8a4ba984c534ec3b2718bc/FLAG5d40a5afd [2025-03-14 22:25:14,587 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 22:25:14,587 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2025-03-14 22:25:14,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e96b8abb/05642ee35a8a4ba984c534ec3b2718bc/FLAG5d40a5afd [2025-03-14 22:25:14,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e96b8abb/05642ee35a8a4ba984c534ec3b2718bc [2025-03-14 22:25:14,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 22:25:14,612 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-14 22:25:14,613 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 22:25:14,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 22:25:14,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 22:25:14,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ea45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14, skipping insertion in model container [2025-03-14 22:25:14,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 22:25:14,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2372,2385] [2025-03-14 22:25:14,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 22:25:14,767 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 22:25:14,784 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c[2372,2385] [2025-03-14 22:25:14,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 22:25:14,794 INFO L204 MainTranslator]: Completed translation [2025-03-14 22:25:14,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14 WrapperNode [2025-03-14 22:25:14,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 22:25:14,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 22:25:14,795 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 22:25:14,795 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 22:25:14,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,822 INFO L138 Inliner]: procedures = 21, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2025-03-14 22:25:14,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 22:25:14,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 22:25:14,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 22:25:14,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 22:25:14,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,833 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 22:25:14,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-14 22:25:14,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-14 22:25:14,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-14 22:25:14,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (1/1) ... [2025-03-14 22:25:14,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 22:25:14,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 22:25:14,869 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) [2025-03-14 22:25:14,873 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 [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 22:25:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 22:25:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 22:25:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 22:25:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 22:25:14,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 22:25:14,889 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 22:25:14,955 INFO L234 CfgBuilder]: Building ICFG [2025-03-14 22:25:14,957 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 22:25:15,073 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 22:25:15,074 INFO L283 CfgBuilder]: Performing block encoding [2025-03-14 22:25:15,081 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 22:25:15,082 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 22:25:15,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 10:25:15 BoogieIcfgContainer [2025-03-14 22:25:15,082 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-14 22:25:15,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 22:25:15,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 22:25:15,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 22:25:15,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 10:25:14" (1/3) ... [2025-03-14 22:25:15,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c76e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 10:25:15, skipping insertion in model container [2025-03-14 22:25:15,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 10:25:14" (2/3) ... [2025-03-14 22:25:15,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c76e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 10:25:15, skipping insertion in model container [2025-03-14 22:25:15,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 10:25:15" (3/3) ... [2025-03-14 22:25:15,098 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2025-03-14 22:25:15,109 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 22:25:15,110 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-sre-subst.wvr.c that has 4 procedures, 86 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-14 22:25:15,110 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 22:25:15,158 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-14 22:25:15,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 22:25:15,191 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;@bf1673b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 22:25:15,191 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-03-14 22:25:15,229 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 22:25:15,234 INFO L124 PetriNetUnfolderBase]: 2/78 cut-off events. [2025-03-14 22:25:15,236 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-14 22:25:15,236 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:15,237 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:15,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:15,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:15,242 INFO L85 PathProgramCache]: Analyzing trace with hash 632424726, now seen corresponding path program 1 times [2025-03-14 22:25:15,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:15,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883663216] [2025-03-14 22:25:15,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 22:25:15,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 22:25:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:17,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:17,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883663216] [2025-03-14 22:25:17,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883663216] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:17,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:17,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:17,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590615472] [2025-03-14 22:25:17,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:17,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:17,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:17,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:17,202 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:17,205 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:17,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 87 transitions, 195 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:17,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:17,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:17,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:17,991 INFO L124 PetriNetUnfolderBase]: 13/169 cut-off events. [2025-03-14 22:25:17,991 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2025-03-14 22:25:17,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 292 conditions, 169 events. 13/169 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 420 event pairs, 7 based on Foata normal form. 8/168 useless extension candidates. Maximal degree in co-relation 120. Up to 30 conditions per place. [2025-03-14 22:25:17,995 INFO L140 encePairwiseOnDemand]: 73/87 looper letters, 47 selfloop transitions, 2 changer transitions 19/113 dead transitions. [2025-03-14 22:25:17,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 113 transitions, 404 flow [2025-03-14 22:25:17,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:18,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 753 transitions. [2025-03-14 22:25:18,010 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6657824933687002 [2025-03-14 22:25:18,013 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 4 predicate places. [2025-03-14 22:25:18,013 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 113 transitions, 404 flow [2025-03-14 22:25:18,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:18,014 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:18,014 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:18,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 22:25:18,014 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:18,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:18,015 INFO L85 PathProgramCache]: Analyzing trace with hash -938050624, now seen corresponding path program 2 times [2025-03-14 22:25:18,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:18,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054919063] [2025-03-14 22:25:18,015 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 22:25:18,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:18,046 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 22:25:18,046 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 22:25:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:19,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:19,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054919063] [2025-03-14 22:25:19,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054919063] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:19,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:19,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:19,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934384620] [2025-03-14 22:25:19,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:19,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:19,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:19,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:19,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:19,490 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:19,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 113 transitions, 404 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:19,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:19,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:19,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:20,214 INFO L124 PetriNetUnfolderBase]: 14/205 cut-off events. [2025-03-14 22:25:20,214 INFO L125 PetriNetUnfolderBase]: For 104/116 co-relation queries the response was YES. [2025-03-14 22:25:20,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 205 events. 14/205 cut-off events. For 104/116 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 653 event pairs, 1 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 147. Up to 47 conditions per place. [2025-03-14 22:25:20,218 INFO L140 encePairwiseOnDemand]: 76/87 looper letters, 49 selfloop transitions, 3 changer transitions 39/136 dead transitions. [2025-03-14 22:25:20,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 136 transitions, 702 flow [2025-03-14 22:25:20,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 746 transitions. [2025-03-14 22:25:20,220 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6595932802829354 [2025-03-14 22:25:20,221 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 16 predicate places. [2025-03-14 22:25:20,221 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 136 transitions, 702 flow [2025-03-14 22:25:20,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:20,221 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:20,221 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:20,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 22:25:20,221 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:20,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:20,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1037824750, now seen corresponding path program 3 times [2025-03-14 22:25:20,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:20,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493710556] [2025-03-14 22:25:20,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-14 22:25:20,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:20,247 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-14 22:25:20,248 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 22:25:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:20,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:20,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493710556] [2025-03-14 22:25:20,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493710556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:20,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:20,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:20,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822095443] [2025-03-14 22:25:20,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:20,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:20,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:20,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:20,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:20,989 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:20,990 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 136 transitions, 702 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:20,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:20,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:20,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:21,609 INFO L124 PetriNetUnfolderBase]: 13/243 cut-off events. [2025-03-14 22:25:21,609 INFO L125 PetriNetUnfolderBase]: For 207/251 co-relation queries the response was YES. [2025-03-14 22:25:21,610 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 243 events. 13/243 cut-off events. For 207/251 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 957 event pairs, 1 based on Foata normal form. 5/237 useless extension candidates. Maximal degree in co-relation 246. Up to 65 conditions per place. [2025-03-14 22:25:21,611 INFO L140 encePairwiseOnDemand]: 76/87 looper letters, 63 selfloop transitions, 3 changer transitions 57/168 dead transitions. [2025-03-14 22:25:21,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 168 transitions, 1158 flow [2025-03-14 22:25:21,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:21,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:21,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 745 transitions. [2025-03-14 22:25:21,612 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6587091069849691 [2025-03-14 22:25:21,613 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 28 predicate places. [2025-03-14 22:25:21,613 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 168 transitions, 1158 flow [2025-03-14 22:25:21,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:21,613 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:21,613 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:21,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 22:25:21,614 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:21,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1044804338, now seen corresponding path program 4 times [2025-03-14 22:25:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:21,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174375655] [2025-03-14 22:25:21,615 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-14 22:25:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:21,632 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2025-03-14 22:25:21,632 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 22:25:22,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174375655] [2025-03-14 22:25:22,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174375655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:22,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:22,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:22,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708689065] [2025-03-14 22:25:22,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:22,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:22,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:22,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:22,432 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:22,433 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 168 transitions, 1158 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:22,433 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:22,433 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:22,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:23,147 INFO L124 PetriNetUnfolderBase]: 13/238 cut-off events. [2025-03-14 22:25:23,148 INFO L125 PetriNetUnfolderBase]: For 306/370 co-relation queries the response was YES. [2025-03-14 22:25:23,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 238 events. 13/238 cut-off events. For 306/370 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 951 event pairs, 0 based on Foata normal form. 4/234 useless extension candidates. Maximal degree in co-relation 286. Up to 65 conditions per place. [2025-03-14 22:25:23,150 INFO L140 encePairwiseOnDemand]: 76/87 looper letters, 47 selfloop transitions, 3 changer transitions 79/174 dead transitions. [2025-03-14 22:25:23,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 174 transitions, 1479 flow [2025-03-14 22:25:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 746 transitions. [2025-03-14 22:25:23,152 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6595932802829354 [2025-03-14 22:25:23,152 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 40 predicate places. [2025-03-14 22:25:23,152 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 174 transitions, 1479 flow [2025-03-14 22:25:23,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:23,153 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:23,153 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:23,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 22:25:23,153 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:23,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:23,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1874951500, now seen corresponding path program 5 times [2025-03-14 22:25:23,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:23,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397363556] [2025-03-14 22:25:23,157 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-14 22:25:23,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:23,177 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 22:25:23,177 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 22:25:23,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:23,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:23,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397363556] [2025-03-14 22:25:23,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397363556] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:23,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:23,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:23,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350574762] [2025-03-14 22:25:23,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:23,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:23,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:23,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:23,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:23,815 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:23,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 174 transitions, 1479 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:23,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:23,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:23,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:24,347 INFO L124 PetriNetUnfolderBase]: 13/239 cut-off events. [2025-03-14 22:25:24,347 INFO L125 PetriNetUnfolderBase]: For 472/505 co-relation queries the response was YES. [2025-03-14 22:25:24,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984 conditions, 239 events. 13/239 cut-off events. For 472/505 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 952 event pairs, 0 based on Foata normal form. 7/239 useless extension candidates. Maximal degree in co-relation 238. Up to 62 conditions per place. [2025-03-14 22:25:24,349 INFO L140 encePairwiseOnDemand]: 76/87 looper letters, 30 selfloop transitions, 1 changer transitions 95/171 dead transitions. [2025-03-14 22:25:24,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 171 transitions, 1701 flow [2025-03-14 22:25:24,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:24,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 742 transitions. [2025-03-14 22:25:24,352 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6560565870910698 [2025-03-14 22:25:24,352 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 52 predicate places. [2025-03-14 22:25:24,352 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 171 transitions, 1701 flow [2025-03-14 22:25:24,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:24,352 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 22:25:24,352 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 22:25:24,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 22:25:24,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-03-14 22:25:24,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 22:25:24,353 INFO L85 PathProgramCache]: Analyzing trace with hash 250753554, now seen corresponding path program 6 times [2025-03-14 22:25:24,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 22:25:24,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208552302] [2025-03-14 22:25:24,353 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-14 22:25:24,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 22:25:24,370 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-03-14 22:25:24,370 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 22:25:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 22:25:25,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 22:25:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208552302] [2025-03-14 22:25:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208552302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 22:25:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 22:25:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-14 22:25:25,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448853660] [2025-03-14 22:25:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 22:25:25,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-14 22:25:25,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 22:25:25,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-14 22:25:25,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-03-14 22:25:25,108 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 87 [2025-03-14 22:25:25,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 171 transitions, 1701 flow. Second operand has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:25,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 22:25:25,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 87 [2025-03-14 22:25:25,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 22:25:25,666 INFO L124 PetriNetUnfolderBase]: 13/230 cut-off events. [2025-03-14 22:25:25,666 INFO L125 PetriNetUnfolderBase]: For 606/726 co-relation queries the response was YES. [2025-03-14 22:25:25,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1097 conditions, 230 events. 13/230 cut-off events. For 606/726 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 928 event pairs, 0 based on Foata normal form. 0/224 useless extension candidates. Maximal degree in co-relation 368. Up to 59 conditions per place. [2025-03-14 22:25:25,667 INFO L140 encePairwiseOnDemand]: 76/87 looper letters, 0 selfloop transitions, 0 changer transitions 167/167 dead transitions. [2025-03-14 22:25:25,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 167 transitions, 1909 flow [2025-03-14 22:25:25,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 22:25:25,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 22:25:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 739 transitions. [2025-03-14 22:25:25,669 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6534040671971706 [2025-03-14 22:25:25,669 INFO L298 CegarLoopForPetriNet]: 95 programPoint places, 60 predicate places. [2025-03-14 22:25:25,669 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 167 transitions, 1909 flow [2025-03-14 22:25:25,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 55.0) internal successors, (550), 10 states have internal predecessors, (550), 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) [2025-03-14 22:25:25,676 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/chl-sre-subst.wvr.c_petrified1_AllErrorsAtOnce [2025-03-14 22:25:25,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2025-03-14 22:25:25,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-03-14 22:25:25,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-03-14 22:25:25,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-03-14 22:25:25,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 22:25:25,718 INFO L422 BasicCegarLoop]: Path program histogram: [6] [2025-03-14 22:25:25,720 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 22:25:25,720 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 22:25:25,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 10:25:25 BasicIcfg [2025-03-14 22:25:25,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 22:25:25,724 INFO L158 Benchmark]: Toolchain (without parser) took 11111.99ms. Allocated memory was 71.3MB in the beginning and 402.7MB in the end (delta: 331.4MB). Free memory was 43.9MB in the beginning and 363.0MB in the end (delta: -319.1MB). Peak memory consumption was 242.0MB. Max. memory is 8.0GB. [2025-03-14 22:25:25,724 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 22:25:25,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.64ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 32.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-14 22:25:25,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.02ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 22:25:25,724 INFO L158 Benchmark]: Boogie Preprocessor took 19.97ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 30.1MB in the end (delta: 853.0kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-14 22:25:25,725 INFO L158 Benchmark]: RCFGBuilder took 238.84ms. Allocated memory is still 71.3MB. Free memory was 30.1MB in the beginning and 18.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-03-14 22:25:25,725 INFO L158 Benchmark]: TraceAbstraction took 10629.85ms. Allocated memory was 71.3MB in the beginning and 402.7MB in the end (delta: 331.4MB). Free memory was 44.0MB in the beginning and 363.0MB in the end (delta: -319.0MB). Peak memory consumption was 239.4MB. Max. memory is 8.0GB. [2025-03-14 22:25:25,726 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 181.64ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 32.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.02ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 19.97ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 30.1MB in the end (delta: 853.0kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 238.84ms. Allocated memory is still 71.3MB. Free memory was 30.1MB in the beginning and 18.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 10629.85ms. Allocated memory was 71.3MB in the beginning and 402.7MB in the end (delta: 331.4MB). Free memory was 44.0MB in the beginning and 363.0MB in the end (delta: -319.0MB). Peak memory consumption was 239.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 77]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 104 locations, 4 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: 10.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 730 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 548 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1015 IncrementalHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 182 mSDtfsCounter, 1015 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1909occurred in iteration=6, InterpolantAutomatonStates: 78, 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, 0.2s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 6648 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 22:25:25,738 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...