/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 15:13:57,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 15:13:57,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 15:13:57,724 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 15:13:57,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 15:13:57,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 15:13:57,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 15:13:57,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 15:13:57,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 15:13:57,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 15:13:57,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 15:13:57,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 15:13:57,753 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 15:13:57,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 15:13:57,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 15:13:57,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 15:13:57,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 15:13:57,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 15:13:57,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 15:13:57,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 15:13:57,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 15:13:57,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 15:13:57,757 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 15:13:57,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 15:13:57,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 15:13:57,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 15:13:57,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 15:13:57,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 15:13:57,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 15:13:57,758 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 15:13:57,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 15:13:57,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 15:13:57,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 15:13:57,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 15:13:57,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 15:13:57,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 15:13:57,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 15:13:57,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 15:13:57,974 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 15:13:57,975 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 15:13:57,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2024-04-28 15:13:57,976 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2024-04-28 15:13:58,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 15:13:58,014 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 15:13:58,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 15:13:58,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 15:13:58,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 15:13:58,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,061 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 15:13:58,062 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 15:13:58,064 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 15:13:58,064 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 15:13:58,064 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 15:13:58,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 15:13:58,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 15:13:58,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 15:13:58,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 15:13:58,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/1) ... [2024-04-28 15:13:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 15:13:58,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:13:58,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-28 15:13:58,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-28 15:13:58,206 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 15:13:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 15:13:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 15:13:58,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 15:13:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 15:13:58,207 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 15:13:58,207 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 15:13:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 15:13:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 15:13:58,208 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-28 15:13:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-28 15:13:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-28 15:13:58,209 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 15:13:58,291 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 15:13:58,292 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 15:13:58,383 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 15:13:58,392 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 15:13:58,392 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 15:13:58,393 INFO L201 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:13:58 BoogieIcfgContainer [2024-04-28 15:13:58,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 15:13:58,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 15:13:58,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 15:13:58,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 15:13:58,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 03:13:58" (1/2) ... [2024-04-28 15:13:58,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64f691b4 and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 03:13:58, skipping insertion in model container [2024-04-28 15:13:58,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 03:13:58" (2/2) ... [2024-04-28 15:13:58,400 INFO L112 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2024-04-28 15:13:58,406 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 15:13:58,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 15:13:58,414 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 15:13:58,414 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 15:13:58,451 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-28 15:13:58,479 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 15:13:58,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 15:13:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:13:58,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-28 15:13:58,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-28 15:13:58,511 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 15:13:58,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:13:58,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 15:13:58,527 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7bff64f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-28 15:13:58,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-28 15:13:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2922368, now seen corresponding path program 1 times [2024-04-28 15:13:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 15:13:58,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 15:13:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 15:13:58,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2922368, now seen corresponding path program 2 times [2024-04-28 15:13:58,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:58,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:13:58,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:13:58,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:58,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:13:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:13:58,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 15:13:58,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 15:13:58,978 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 15:13:58,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:13:58,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1913545294, now seen corresponding path program 1 times [2024-04-28 15:13:58,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:13:58,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360242391] [2024-04-28 15:13:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:58,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:13:59,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:13:59,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:13:59,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360242391] [2024-04-28 15:13:59,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360242391] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 15:13:59,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 15:13:59,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 15:13:59,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982454128] [2024-04-28 15:13:59,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 15:13:59,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 15:13:59,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:13:59,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 15:13:59,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 15:13:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:13:59,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:13:59,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-04-28 15:13:59,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:13:59,533 INFO L85 PathProgramCache]: Analyzing trace with hash -59079957, now seen corresponding path program 1 times [2024-04-28 15:13:59,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:59,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:13:59,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:13:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:13:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:13:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:13:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:13:59,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-28 15:13:59,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-04-28 15:14:00,683 INFO L85 PathProgramCache]: Analyzing trace with hash -792293379, now seen corresponding path program 1 times [2024-04-28 15:14:00,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-28 15:14:00,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-28 15:14:00,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:14:00,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-28 15:14:00,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 15:14:00,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:14:00,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1064608816, now seen corresponding path program 1 times [2024-04-28 15:14:00,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:14:00,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472436101] [2024-04-28 15:14:00,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-28 15:14:00,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:14:00,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472436101] [2024-04-28 15:14:00,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472436101] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 15:14:00,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768499596] [2024-04-28 15:14:00,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 15:14:00,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:14:00,801 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 15:14:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 15:14:00,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-28 15:14:00,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 15:14:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-28 15:14:00,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 15:14:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-28 15:14:00,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768499596] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 15:14:00,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 15:14:00,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-04-28 15:14:00,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168945609] [2024-04-28 15:14:00,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 15:14:00,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 15:14:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:14:00,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2922368, now seen corresponding path program 3 times [2024-04-28 15:14:00,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:00,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:00,945 INFO L85 PathProgramCache]: Analyzing trace with hash 90593479, now seen corresponding path program 1 times [2024-04-28 15:14:00,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:00,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1486569374, now seen corresponding path program 1 times [2024-04-28 15:14:01,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1160989737, now seen corresponding path program 1 times [2024-04-28 15:14:01,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1630943556, now seen corresponding path program 1 times [2024-04-28 15:14:01,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,152 INFO L85 PathProgramCache]: Analyzing trace with hash -980357237, now seen corresponding path program 1 times [2024-04-28 15:14:01,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,193 INFO L85 PathProgramCache]: Analyzing trace with hash -326303194, now seen corresponding path program 1 times [2024-04-28 15:14:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1525464339, now seen corresponding path program 1 times [2024-04-28 15:14:01,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,274 INFO L85 PathProgramCache]: Analyzing trace with hash -44754168, now seen corresponding path program 1 times [2024-04-28 15:14:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:01,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-28 15:14:01,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-04-28 15:14:01,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:14:01,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:14:01,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-04-28 15:14:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:14:01,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:14:01,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1835519710, now seen corresponding path program 1 times [2024-04-28 15:14:01,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,658 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-28 15:14:01,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,674 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-28 15:14:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:14:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-28 15:14:01,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-28 15:14:01,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17,SelfDestructingSolverStorable28 [2024-04-28 15:14:01,895 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 15:14:01,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 15:14:01,896 INFO L85 PathProgramCache]: Analyzing trace with hash -954434450, now seen corresponding path program 1 times [2024-04-28 15:14:01,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 15:14:01,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806204970] [2024-04-28 15:14:01,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-28 15:14:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 15:14:01,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806204970] [2024-04-28 15:14:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806204970] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 15:14:01,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098437340] [2024-04-28 15:14:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:01,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 15:14:01,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 15:14:01,930 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 15:14:01,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 15:14:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:01,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-28 15:14:01,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 15:14:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-28 15:14:01,973 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-28 15:14:01,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098437340] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 15:14:01,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-28 15:14:01,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 4 [2024-04-28 15:14:01,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873936105] [2024-04-28 15:14:01,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 15:14:01,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 15:14:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 15:14:02,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2922368, now seen corresponding path program 4 times [2024-04-28 15:14:02,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash 90593479, now seen corresponding path program 2 times [2024-04-28 15:14:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1486569374, now seen corresponding path program 2 times [2024-04-28 15:14:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1160989737, now seen corresponding path program 2 times [2024-04-28 15:14:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1630943556, now seen corresponding path program 2 times [2024-04-28 15:14:02,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,175 INFO L85 PathProgramCache]: Analyzing trace with hash -980357237, now seen corresponding path program 2 times [2024-04-28 15:14:02,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,220 INFO L85 PathProgramCache]: Analyzing trace with hash -44754168, now seen corresponding path program 2 times [2024-04-28 15:14:02,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 15:14:02,265 INFO L85 PathProgramCache]: Analyzing trace with hash -59080213, now seen corresponding path program 1 times [2024-04-28 15:14:02,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 15:14:02,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 15:14:02,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1831486527, now seen corresponding path program 2 times [2024-04-28 15:14:02,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 15:14:02,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 15:14:02,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 15:14:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 15:14:02,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 15:14:02,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-28 15:14:02,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-28 15:14:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:14:02,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 15:14:02,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 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) [2024-04-28 15:14:02,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:14:02,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-28 15:14:02,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 15:14:02,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 15:14:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-28 15:14:02,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 15:14:02,742 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-28 15:14:02,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-28 15:14:02,743 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-28 15:14:02,744 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-28 15:14:02,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-28 15:14:02,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable30,SelfDestructingSolverStorable41,SelfDestructingSolverStorable31,SelfDestructingSolverStorable42,SelfDestructingSolverStorable29,SelfDestructingSolverStorable32,SelfDestructingSolverStorable43,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33,SelfDestructingSolverStorable44,SelfDestructingSolverStorable34,SelfDestructingSolverStorable45,SelfDestructingSolverStorable35,SelfDestructingSolverStorable46,SelfDestructingSolverStorable36,SelfDestructingSolverStorable47,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-04-28 15:14:02,952 INFO L448 BasicCegarLoop]: Path program histogram: [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-28 15:14:02,954 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-28 15:14:02,954 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-28 15:14:02,957 INFO L201 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 03:14:02 BasicIcfg [2024-04-28 15:14:02,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-28 15:14:02,958 INFO L158 Benchmark]: Toolchain (without parser) took 4943.94ms. Allocated memory was 320.9MB in the beginning and 385.9MB in the end (delta: 65.0MB). Free memory was 291.9MB in the beginning and 264.4MB in the end (delta: 27.5MB). Peak memory consumption was 92.9MB. Max. memory is 8.0GB. [2024-04-28 15:14:02,958 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 160.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 15:14:02,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.52ms. Allocated memory is still 320.9MB. Free memory was 291.9MB in the beginning and 290.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-28 15:14:02,958 INFO L158 Benchmark]: Boogie Preprocessor took 16.69ms. Allocated memory is still 320.9MB. Free memory was 290.3MB in the beginning and 289.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 15:14:02,959 INFO L158 Benchmark]: RCFGBuilder took 312.53ms. Allocated memory is still 320.9MB. Free memory was 289.3MB in the beginning and 279.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-28 15:14:02,959 INFO L158 Benchmark]: TraceAbstraction took 4562.28ms. Allocated memory was 320.9MB in the beginning and 385.9MB in the end (delta: 65.0MB). Free memory was 278.4MB in the beginning and 264.4MB in the end (delta: 14.0MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB. [2024-04-28 15:14:02,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 160.4MB. Free memory is still 117.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.52ms. Allocated memory is still 320.9MB. Free memory was 291.9MB in the beginning and 290.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.69ms. Allocated memory is still 320.9MB. Free memory was 290.3MB in the beginning and 289.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 312.53ms. Allocated memory is still 320.9MB. Free memory was 289.3MB in the beginning and 279.6MB in the end (delta: 9.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 4562.28ms. Allocated memory was 320.9MB in the beginning and 385.9MB in the end (delta: 65.0MB). Free memory was 278.4MB in the beginning and 264.4MB in the end (delta: 14.0MB). Peak memory consumption was 80.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16496, independent: 13987, independent conditional: 13930, independent unconditional: 57, dependent: 2509, dependent conditional: 2482, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14216, independent: 13987, independent conditional: 13930, independent unconditional: 57, dependent: 229, dependent conditional: 220, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14216, independent: 13987, independent conditional: 13930, independent unconditional: 57, dependent: 229, dependent conditional: 220, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 14216, independent: 13987, independent conditional: 13930, independent unconditional: 57, dependent: 229, dependent conditional: 220, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 7399, independent unconditional: 6588, dependent: 949, dependent conditional: 696, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 5870, independent unconditional: 8117, dependent: 949, dependent conditional: 549, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 5870, independent unconditional: 8117, dependent: 949, dependent conditional: 549, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 265, independent: 234, independent conditional: 76, independent unconditional: 158, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 265, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 44, independent conditional: 36, independent unconditional: 8, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 44, independent conditional: 36, independent unconditional: 8, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, independent: 97, independent conditional: 82, independent unconditional: 15, dependent: 71, dependent conditional: 32, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14936, independent: 13753, independent conditional: 5794, independent unconditional: 7959, dependent: 918, dependent conditional: 530, dependent unconditional: 388, unknown: 265, unknown conditional: 95, unknown unconditional: 170] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 234, Positive conditional cache size: 76, Positive unconditional cache size: 158, Negative cache size: 31, Negative conditional cache size: 19, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 7399, independent unconditional: 6588, dependent: 949, dependent conditional: 696, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 5870, independent unconditional: 8117, dependent: 949, dependent conditional: 549, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 14936, independent: 13987, independent conditional: 5870, independent unconditional: 8117, dependent: 949, dependent conditional: 549, dependent unconditional: 400, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 265, independent: 234, independent conditional: 76, independent unconditional: 158, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 265, independent: 190, independent conditional: 0, independent unconditional: 190, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 75, independent: 44, independent conditional: 36, independent unconditional: 8, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, independent: 44, independent conditional: 36, independent unconditional: 8, dependent: 31, dependent conditional: 19, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 168, independent: 97, independent conditional: 82, independent unconditional: 15, dependent: 71, dependent conditional: 32, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 14936, independent: 13753, independent conditional: 5794, independent unconditional: 7959, dependent: 918, dependent conditional: 530, dependent unconditional: 388, unknown: 265, unknown conditional: 95, unknown unconditional: 170] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 234, Positive conditional cache size: 76, Positive unconditional cache size: 158, Negative cache size: 31, Negative conditional cache size: 19, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1676 ], Independence queries for same thread: 2280 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 48 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 2.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 161 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 307/318 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, ConditionalCommutativityCheckTime: 3.1s, ConditionalCommutativityIAIntegrations: 18, ConditionalCommutativityDFSRestarts: 2, ConditionalCommutativityImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-28 15:14:02,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-28 15:14:03,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...