/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 14:36:48,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 14:36:48,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 14:36:48,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 14:36:48,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 14:36:48,425 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 14:36:48,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 14:36:48,426 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 14:36:48,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 14:36:48,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 14:36:48,430 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 14:36:48,430 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 14:36:48,430 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 14:36:48,431 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 14:36:48,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 14:36:48,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 14:36:48,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 14:36:48,433 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 14:36:48,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 14:36:48,433 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 14:36:48,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 14:36:48,433 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 14:36:48,434 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 14:36:48,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 14:36:48,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:36:48,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 14:36:48,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 14:36:48,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 14:36:48,435 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 14:36:48,435 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 14:36:48,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 14:36:48,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 14:36:48,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 14:36:48,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 14:36:48,436 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-06 14:36:48,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 14:36:48,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 14:36:48,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 14:36:48,639 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 14:36:48,640 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 14:36:48,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2024-04-06 14:36:48,641 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2024-04-06 14:36:48,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 14:36:48,670 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 14:36:48,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 14:36:48,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 14:36:48,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 14:36:48,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,731 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 14:36:48,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 14:36:48,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 14:36:48,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 14:36:48,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 14:36:48,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,754 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 14:36:48,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 14:36:48,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 14:36:48,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 14:36:48,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/1) ... [2024-04-06 14:36:48,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 14:36:48,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:48,778 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) [2024-04-06 14:36:48,789 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 [2024-04-06 14:36:48,828 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 14:36:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 14:36:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 14:36:48,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 14:36:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 14:36:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 14:36:48,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 14:36:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 14:36:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 14:36:48,829 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 14:36:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 14:36:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 14:36:48,830 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-06 14:36:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-06 14:36:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-06 14:36:48,831 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 14:36:48,871 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 14:36:48,873 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 14:36:48,964 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 14:36:48,982 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 14:36:48,983 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 14:36:48,984 INFO L201 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:36:48 BoogieIcfgContainer [2024-04-06 14:36:48,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 14:36:48,985 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 14:36:48,985 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 14:36:48,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 14:36:48,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 02:36:48" (1/2) ... [2024-04-06 14:36:48,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a28529 and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:36:48, skipping insertion in model container [2024-04-06 14:36:48,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:36:48" (2/2) ... [2024-04-06 14:36:48,990 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2024-04-06 14:36:48,995 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 14:36:49,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 14:36:49,002 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 14:36:49,002 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 14:36:49,033 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-06 14:36:49,067 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 14:36:49,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 14:36:49,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:49,070 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) [2024-04-06 14:36:49,089 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 [2024-04-06 14:36:49,133 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 14:36:49,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:49,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 14:36:49,153 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;@24a7f68f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 14:36:49,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-06 14:36:49,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:49,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:49,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1357080485, now seen corresponding path program 1 times [2024-04-06 14:36:49,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:49,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573765349] [2024-04-06 14:36:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:49,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:49,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:49,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573765349] [2024-04-06 14:36:49,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573765349] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:36:49,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:36:49,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 14:36:49,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462119422] [2024-04-06 14:36:49,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:36:49,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 14:36:49,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:49,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 14:36:49,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-06 14:36:49,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:49,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:49,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-04-06 14:36:49,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:49,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:49,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 14:36:49,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:49,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1819781074, now seen corresponding path program 1 times [2024-04-06 14:36:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:49,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386887976] [2024-04-06 14:36:49,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:49,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:36:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386887976] [2024-04-06 14:36:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386887976] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:36:50,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:36:50,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 14:36:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370044877] [2024-04-06 14:36:50,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:36:50,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 14:36:50,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:50,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 14:36:50,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 14:36:50,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:50,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:50,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-04-06 14:36:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:50,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:50,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:50,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 14:36:50,119 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:50,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:50,120 INFO L85 PathProgramCache]: Analyzing trace with hash 916303819, now seen corresponding path program 1 times [2024-04-06 14:36:50,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:50,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221628601] [2024-04-06 14:36:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:50,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:50,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221628601] [2024-04-06 14:36:50,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221628601] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:36:50,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 14:36:50,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 14:36:50,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990431043] [2024-04-06 14:36:50,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:36:50,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 14:36:50,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:50,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 14:36:50,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 14:36:50,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:50,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:50,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-04-06 14:36:50,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:50,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:50,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:50,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:50,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 14:36:50,285 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:50,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash 4235235, now seen corresponding path program 1 times [2024-04-06 14:36:50,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:50,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115663393] [2024-04-06 14:36:50,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:50,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:50,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:50,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115663393] [2024-04-06 14:36:50,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115663393] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:36:50,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301382150] [2024-04-06 14:36:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:50,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:50,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:50,655 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) [2024-04-06 14:36:50,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 14:36:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:50,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-06 14:36:50,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:36:50,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 14:36:51,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 14:36:51,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:51,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:36:51,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:51,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2024-04-06 14:36:51,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:51,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 24 [2024-04-06 14:36:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:51,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301382150] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:36:51,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:36:51,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 29 [2024-04-06 14:36:51,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207202702] [2024-04-06 14:36:51,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:36:51,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-06 14:36:51,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:51,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-06 14:36:51,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-04-06 14:36:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:51,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:51,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 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) [2024-04-06 14:36:51,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:51,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:51,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:51,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:52,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:52,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:52,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 14:36:52,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:52,645 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:52,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash -910276698, now seen corresponding path program 2 times [2024-04-06 14:36:52,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:52,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814251530] [2024-04-06 14:36:52,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:52,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:36:52,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814251530] [2024-04-06 14:36:52,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814251530] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:36:52,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600632176] [2024-04-06 14:36:52,698 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 14:36:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:52,699 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) [2024-04-06 14:36:52,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 14:36:52,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 14:36:52,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:36:52,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 14:36:52,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:36:52,816 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 14:36:52,816 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 14:36:52,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600632176] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:36:52,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 14:36:52,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-06 14:36:52,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767120434] [2024-04-06 14:36:52,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:36:52,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 14:36:52,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:52,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 14:36:52,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 14:36:52,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:52,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:52,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-04-06 14:36:52,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:52,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:52,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:52,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:52,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:53,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:53,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 14:36:53,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:53,217 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:53,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:53,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1503257789, now seen corresponding path program 3 times [2024-04-06 14:36:53,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650636725] [2024-04-06 14:36:53,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:53,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:53,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650636725] [2024-04-06 14:36:53,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650636725] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:36:53,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029754985] [2024-04-06 14:36:53,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 14:36:53,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:53,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:53,251 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:36:53,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 14:36:53,284 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-06 14:36:53,284 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:36:53,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 14:36:53,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:36:53,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:36:53,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 14:36:53,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029754985] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 14:36:53,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 14:36:53,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-06 14:36:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756513274] [2024-04-06 14:36:53,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 14:36:53,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 14:36:53,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 14:36:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 14:36:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:53,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:53,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:53,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 14:36:53,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:53,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:36:53,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:36:53,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1899569813, now seen corresponding path program 4 times [2024-04-06 14:36:53,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:36:53,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910021522] [2024-04-06 14:36:53,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:36:53,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:36:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:36:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 14:36:54,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:36:54,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910021522] [2024-04-06 14:36:54,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910021522] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:36:54,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084223220] [2024-04-06 14:36:54,370 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 14:36:54,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:36:54,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:36:54,371 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:36:54,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 14:36:54,418 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 14:36:54,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:36:54,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-06 14:36:54,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:36:54,899 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:54,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2024-04-06 14:36:54,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:54,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-04-06 14:36:55,056 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:55,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:36:55,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:55,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 59 [2024-04-06 14:36:55,571 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:36:55,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 56 [2024-04-06 14:36:55,742 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:36:55,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084223220] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:36:55,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:36:55,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 48 [2024-04-06 14:36:55,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508591647] [2024-04-06 14:36:55,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:36:55,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-06 14:36:55,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:36:55,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-06 14:36:55,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1983, Unknown=0, NotChecked=0, Total=2256 [2024-04-06 14:36:55,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:36:55,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:36:55,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.0625) internal successors, (99), 48 states have internal predecessors, (99), 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) [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:36:55,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:37:15,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:37:15,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 14:37:15,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 14:37:15,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-06 14:37:15,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:37:15,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:37:15,599 INFO L85 PathProgramCache]: Analyzing trace with hash 254365237, now seen corresponding path program 5 times [2024-04-06 14:37:15,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:37:15,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846380182] [2024-04-06 14:37:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:37:15,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:37:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:37:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 10 proven. 83 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-06 14:37:16,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:37:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846380182] [2024-04-06 14:37:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846380182] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:37:16,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989350132] [2024-04-06 14:37:16,811 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 14:37:16,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:37:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:37:16,813 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:37:16,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 14:37:16,877 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-06 14:37:16,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:37:16,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-06 14:37:16,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:37:18,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:37:18,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 53 [2024-04-06 14:37:19,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:37:19,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2024-04-06 14:37:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 5 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:37:19,341 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:37:21,459 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:37:21,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 89 treesize of output 293 [2024-04-06 14:37:31,256 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,256 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,259 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,264 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,265 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,267 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,268 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,269 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,269 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:37:31,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:37:31,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 172 [2024-04-06 14:37:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:37:32,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989350132] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:37:32,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:37:32,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37, 37] total 92 [2024-04-06 14:37:32,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195068571] [2024-04-06 14:37:32,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:37:32,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-04-06 14:37:32,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:37:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-04-06 14:37:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=912, Invalid=7460, Unknown=0, NotChecked=0, Total=8372 [2024-04-06 14:37:32,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:37:32,119 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:37:32,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 1.923913043478261) internal successors, (177), 92 states have internal predecessors, (177), 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) [2024-04-06 14:37:32,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:37:32,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:37:32,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:37:32,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:37:32,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:37:32,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:37:32,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-06 14:37:32,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:39:39,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 14:39:39,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 722 states. [2024-04-06 14:39:39,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-06 14:39:39,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:39,276 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:39:39,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:39:39,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1001592993, now seen corresponding path program 6 times [2024-04-06 14:39:39,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:39:39,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374777509] [2024-04-06 14:39:39,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:39:39,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:39:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:39:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 166 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-04-06 14:39:41,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:39:41,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374777509] [2024-04-06 14:39:41,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374777509] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:39:41,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359051921] [2024-04-06 14:39:41,197 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 14:39:41,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:39:41,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:39:41,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:39:41,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 14:39:41,289 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-06 14:39:41,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 14:39:41,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 108 conjunts are in the unsatisfiable core [2024-04-06 14:39:41,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:39:44,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:44,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 103 treesize of output 59 [2024-04-06 14:39:45,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 33 [2024-04-06 14:39:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:39:45,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:39:50,358 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,361 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,362 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,362 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,364 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,366 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,368 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 14:39:50,528 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:50,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 127 treesize of output 341 [2024-04-06 14:39:53,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:39:53,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 94 treesize of output 518 [2024-04-06 14:40:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:40:36,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359051921] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 14:40:36,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 14:40:36,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 49, 49] total 124 [2024-04-06 14:40:36,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052620066] [2024-04-06 14:40:36,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 14:40:36,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-04-06 14:40:36,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 14:40:36,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-04-06 14:40:36,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2046, Invalid=13206, Unknown=0, NotChecked=0, Total=15252 [2024-04-06 14:40:36,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:40:36,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 14:40:36,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 1.8870967741935485) internal successors, (234), 124 states have internal predecessors, (234), 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) [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 722 states. [2024-04-06 14:40:36,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 14:46:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 14:46:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:46:33,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 14:46:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-06 14:46:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:46:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 14:46:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-06 14:46:33,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 722 states. [2024-04-06 14:46:33,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 767 states. [2024-04-06 14:46:33,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-06 14:46:33,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-04-06 14:46:33,613 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 14:46:33,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 14:46:33,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1377364037, now seen corresponding path program 7 times [2024-04-06 14:46:33,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 14:46:33,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515760400] [2024-04-06 14:46:33,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 14:46:33,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 14:46:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:46:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 10 proven. 297 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-06 14:46:36,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 14:46:36,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515760400] [2024-04-06 14:46:36,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515760400] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 14:46:36,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964949504] [2024-04-06 14:46:36,117 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 14:46:36,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:46:36,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 14:46:36,118 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 14:46:36,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 14:46:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 14:46:36,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 127 conjunts are in the unsatisfiable core [2024-04-06 14:46:36,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 14:46:43,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:46:43,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 169 treesize of output 101 [2024-04-06 14:46:44,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:46:44,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2024-04-06 14:46:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 14:46:44,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 14:46:54,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:46:54,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 161 treesize of output 885 [2024-04-06 14:50:40,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 14:50:40,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 116 treesize of output 840 Received shutdown request... [2024-04-06 14:50:52,435 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2024-04-06 14:50:52,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 14:50:52,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 14:50:52,451 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 14:50:52,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 14:50:52,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 14:50:52,636 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. [2024-04-06 14:50:52,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-06 14:50:52,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-06 14:50:52,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-06 14:50:52,638 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-06 14:50:52,646 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1] [2024-04-06 14:50:52,649 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 14:50:52,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 14:50:52,654 INFO L201 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 02:50:52 BasicIcfg [2024-04-06 14:50:52,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 14:50:52,655 INFO L158 Benchmark]: Toolchain (without parser) took 843984.57ms. Allocated memory was 177.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 116.0MB in the beginning and 1.1GB in the end (delta: -997.0MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2024-04-06 14:50:52,655 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 177.2MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 14:50:52,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.79ms. Allocated memory is still 177.2MB. Free memory was 115.8MB in the beginning and 154.5MB in the end (delta: -38.7MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-04-06 14:50:52,655 INFO L158 Benchmark]: Boogie Preprocessor took 15.21ms. Allocated memory is still 177.2MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 14:50:52,656 INFO L158 Benchmark]: RCFGBuilder took 228.30ms. Allocated memory is still 177.2MB. Free memory was 153.3MB in the beginning and 141.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 14:50:52,656 INFO L158 Benchmark]: TraceAbstraction took 843668.75ms. Allocated memory was 177.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 140.6MB in the beginning and 1.1GB in the end (delta: -972.4MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2024-04-06 14:50:52,659 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 0.12ms. Allocated memory is still 177.2MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.79ms. Allocated memory is still 177.2MB. Free memory was 115.8MB in the beginning and 154.5MB in the end (delta: -38.7MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.21ms. Allocated memory is still 177.2MB. Free memory was 154.4MB in the beginning and 153.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 228.30ms. Allocated memory is still 177.2MB. Free memory was 153.3MB in the beginning and 141.9MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 843668.75ms. Allocated memory was 177.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 140.6MB in the beginning and 1.1GB in the end (delta: -972.4MB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2033746, independent: 1782970, independent conditional: 1782876, independent unconditional: 94, dependent: 250776, dependent conditional: 250746, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1804600, independent: 1782970, independent conditional: 1782876, independent unconditional: 94, dependent: 21630, dependent conditional: 21624, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1804600, independent: 1782970, independent conditional: 1782876, independent unconditional: 94, dependent: 21630, dependent conditional: 21624, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1804600, independent: 1782970, independent conditional: 1782876, independent unconditional: 94, dependent: 21630, dependent conditional: 21624, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 106100, independent unconditional: 1676870, dependent: 148104, dependent conditional: 101602, dependent unconditional: 46502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 104980, independent unconditional: 1677990, dependent: 148104, dependent conditional: 37268, dependent unconditional: 110836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 104980, independent unconditional: 1677990, dependent: 148104, dependent conditional: 37268, dependent unconditional: 110836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1343, independent: 785, independent conditional: 591, independent unconditional: 194, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1343, independent: 209, independent conditional: 0, independent unconditional: 209, dependent: 1134, dependent conditional: 0, dependent unconditional: 1134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1134, independent: 576, independent conditional: 574, independent unconditional: 2, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1134, independent: 576, independent conditional: 574, independent unconditional: 2, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2672, independent: 1000, independent conditional: 994, independent unconditional: 6, dependent: 1672, dependent conditional: 1573, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1931074, independent: 1782185, independent conditional: 104389, independent unconditional: 1677796, dependent: 147546, dependent conditional: 36722, dependent unconditional: 110824, unknown: 1343, unknown conditional: 1137, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 1343, Positive cache size: 785, Positive conditional cache size: 591, Positive unconditional cache size: 194, Negative cache size: 558, Negative conditional cache size: 546, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 65454, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 106100, independent unconditional: 1676870, dependent: 148104, dependent conditional: 101602, dependent unconditional: 46502, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 104980, independent unconditional: 1677990, dependent: 148104, dependent conditional: 37268, dependent unconditional: 110836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1931074, independent: 1782970, independent conditional: 104980, independent unconditional: 1677990, dependent: 148104, dependent conditional: 37268, dependent unconditional: 110836, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1343, independent: 785, independent conditional: 591, independent unconditional: 194, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1343, independent: 209, independent conditional: 0, independent unconditional: 209, dependent: 1134, dependent conditional: 0, dependent unconditional: 1134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1134, independent: 576, independent conditional: 574, independent unconditional: 2, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1134, independent: 576, independent conditional: 574, independent unconditional: 2, dependent: 558, dependent conditional: 546, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2672, independent: 1000, independent conditional: 994, independent unconditional: 6, dependent: 1672, dependent conditional: 1573, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1931074, independent: 1782185, independent conditional: 104389, independent unconditional: 1677796, dependent: 147546, dependent conditional: 36722, dependent unconditional: 110824, unknown: 1343, unknown conditional: 1137, unknown unconditional: 206] , Statistics on independence cache: Total cache size (in pairs): 1343, Positive cache size: 785, Positive conditional cache size: 591, Positive unconditional cache size: 194, Negative cache size: 558, Negative conditional cache size: 546, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 65454 ], Independence queries for same thread: 229146 - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 115 with TraceHistMax 9,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-3-3-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-49-6-4-6-2-5-3-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 843.5s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 505.5s, 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: 1887, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 76.9s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 24172 SizeOfPredicates, 95 NumberOfNonLiveVariables, 888 ConjunctsInSsa, 232 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 163/1136 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown