/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 -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-faa7b7a-m [2024-04-27 07:01:40,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-27 07:01:40,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-27 07:01:40,658 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-27 07:01:40,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-27 07:01:40,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-27 07:01:40,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-27 07:01:40,696 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-27 07:01:40,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-27 07:01:40,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-27 07:01:40,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-27 07:01:40,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-27 07:01:40,701 INFO L153 SettingsManager]: * Use SBE=true [2024-04-27 07:01:40,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-27 07:01:40,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-27 07:01:40,704 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-27 07:01:40,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-27 07:01:40,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-27 07:01:40,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-27 07:01:40,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-27 07:01:40,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-27 07:01:40,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-27 07:01:40,705 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-27 07:01:40,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-27 07:01:40,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-27 07:01:40,707 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-27 07:01:40,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-27 07:01:40,708 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-27 07:01:40,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-27 07:01:40,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 07:01:40,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-27 07:01:40,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-27 07:01:40,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-27 07:01:40,710 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-27 07:01:40,710 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-27 07:01:40,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-27 07:01:40,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-27 07:01:40,711 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-27 07:01:40,711 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-27 07:01:40,711 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-27 07:01:40,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-27 07:01:41,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-27 07:01:41,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-27 07:01:41,023 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-27 07:01:41,023 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-27 07:01:41,024 INFO L431 ainManager$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 [2024-04-27 07:01:41,025 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2024-04-27 07:01:41,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-27 07:01:41,081 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-27 07:01:41,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-27 07:01:41,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-27 07:01:41,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-27 07:01:41,116 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 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,126 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 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,136 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-27 07:01:41,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-27 07:01:41,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-27 07:01:41,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-27 07:01:41,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-27 07:01:41,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,152 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,162 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-27 07:01:41,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-27 07:01:41,163 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-27 07:01:41,163 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-27 07:01:41,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/1) ... [2024-04-27 07:01:41,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 07:01:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:41,201 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) [2024-04-27 07:01:41,210 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 [2024-04-27 07:01:41,249 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-27 07:01:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-27 07:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-27 07:01:41,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-27 07:01:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-27 07:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-27 07:01:41,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-27 07:01:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-27 07:01:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-27 07:01:41,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-27 07:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-27 07:01:41,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-27 07:01:41,251 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-27 07:01:41,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-27 07:01:41,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-27 07:01:41,253 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-27 07:01:41,301 INFO L241 CfgBuilder]: Building ICFG [2024-04-27 07:01:41,303 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-27 07:01:41,445 INFO L282 CfgBuilder]: Performing block encoding [2024-04-27 07:01:41,476 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-27 07:01:41,476 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-27 07:01:41,478 INFO L201 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:01:41 BoogieIcfgContainer [2024-04-27 07:01:41,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-27 07:01:41,481 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-27 07:01:41,481 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-27 07:01:41,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-27 07:01:41,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 07:01:41" (1/2) ... [2024-04-27 07:01:41,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127aac7a and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 07:01:41, skipping insertion in model container [2024-04-27 07:01:41,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 07:01:41" (2/2) ... [2024-04-27 07:01:41,489 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2024-04-27 07:01:41,497 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-27 07:01:41,507 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-27 07:01:41,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-27 07:01:41,509 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-27 07:01:41,589 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-27 07:01:41,624 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-27 07:01:41,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-27 07:01:41,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:41,627 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) [2024-04-27 07:01:41,629 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 [2024-04-27 07:01:41,661 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-27 07:01:41,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:41,675 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-27 07:01:41,682 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;@70dcd137, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-04-27 07:01:41,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-27 07:01:41,768 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)] === [2024-04-27 07:01:41,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:41,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1357080485, now seen corresponding path program 1 times [2024-04-27 07:01:41,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:41,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616328655] [2024-04-27 07:01:41,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:41,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:42,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:42,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616328655] [2024-04-27 07:01:42,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616328655] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 07:01:42,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 07:01:42,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 07:01:42,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322735410] [2024-04-27 07:01:42,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 07:01:42,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-27 07:01:42,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 07:01:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-27 07:01:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:42,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:42,307 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) [2024-04-27 07:01:42,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:42,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-27 07:01:42,688 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)] === [2024-04-27 07:01:42,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:42,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1819781074, now seen corresponding path program 1 times [2024-04-27 07:01:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974284294] [2024-04-27 07:01:42,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:42,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 07:01:42,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:42,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974284294] [2024-04-27 07:01:42,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974284294] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 07:01:42,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 07:01:42,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 07:01:42,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604114186] [2024-04-27 07:01:42,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 07:01:42,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 07:01:42,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:42,967 INFO L85 PathProgramCache]: Analyzing trace with hash 52551606, now seen corresponding path program 1 times [2024-04-27 07:01:42,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:42,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1629099881, now seen corresponding path program 1 times [2024-04-27 07:01:43,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 07:01:43,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-27 07:01:43,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:43,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:43,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 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) [2024-04-27 07:01:43,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:43,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:43,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:43,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-04-27 07:01:43,488 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)] === [2024-04-27 07:01:43,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:43,489 INFO L85 PathProgramCache]: Analyzing trace with hash 916303819, now seen corresponding path program 1 times [2024-04-27 07:01:43,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:43,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473398499] [2024-04-27 07:01:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:43,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473398499] [2024-04-27 07:01:43,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473398499] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 07:01:43,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 07:01:43,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 07:01:43,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932269072] [2024-04-27 07:01:43,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 07:01:43,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 07:01:43,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:43,633 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 1 times [2024-04-27 07:01:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,778 INFO L85 PathProgramCache]: Analyzing trace with hash 52551606, now seen corresponding path program 2 times [2024-04-27 07:01:43,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1037511122, now seen corresponding path program 1 times [2024-04-27 07:01:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:43,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:44,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2098073605, now seen corresponding path program 1 times [2024-04-27 07:01:44,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:44,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:44,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 07:01:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-27 07:01:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:44,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:44,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 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) [2024-04-27 07:01:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:44,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:44,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:44,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-04-27 07:01:44,310 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)] === [2024-04-27 07:01:44,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:44,310 INFO L85 PathProgramCache]: Analyzing trace with hash 4235235, now seen corresponding path program 1 times [2024-04-27 07:01:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:44,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417735115] [2024-04-27 07:01:44,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417735115] [2024-04-27 07:01:44,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417735115] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:01:44,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443116727] [2024-04-27 07:01:44,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:44,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:44,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:44,608 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) [2024-04-27 07:01:44,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-27 07:01:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:44,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-27 07:01:44,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:01:44,917 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 [2024-04-27 07:01:44,981 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 [2024-04-27 07:01:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:45,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 07:01:45,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:45,119 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 [2024-04-27 07:01:45,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:45,209 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 [2024-04-27 07:01:45,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:45,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443116727] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 07:01:45,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 07:01:45,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 29 [2024-04-27 07:01:45,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826240302] [2024-04-27 07:01:45,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 07:01:45,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-27 07:01:45,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:45,563 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 2 times [2024-04-27 07:01:45,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:45,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:45,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-27 07:01:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-04-27 07:01:45,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:45,611 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:45,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.689655172413793) internal successors, (78), 29 states have internal predecessors, (78), 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) [2024-04-27 07:01:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:45,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:46,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:46,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-27 07:01:46,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-27 07:01:46,873 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)] === [2024-04-27 07:01:46,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:46,873 INFO L85 PathProgramCache]: Analyzing trace with hash -910276698, now seen corresponding path program 2 times [2024-04-27 07:01:46,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620752566] [2024-04-27 07:01:46,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:46,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 07:01:46,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620752566] [2024-04-27 07:01:46,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620752566] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:01:46,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129563923] [2024-04-27 07:01:46,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 07:01:46,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:46,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:46,964 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) [2024-04-27 07:01:47,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-27 07:01:47,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 07:01:47,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 07:01:47,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-27 07:01:47,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:01:47,079 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-27 07:01:47,080 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-27 07:01:47,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129563923] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 07:01:47,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-27 07:01:47,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-27 07:01:47,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649386425] [2024-04-27 07:01:47,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 07:01:47,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 07:01:47,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:47,167 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 3 times [2024-04-27 07:01:47,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:47,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:47,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:47,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-27 07:01:47,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-27 07:01:47,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:47,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:47,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-27 07:01:47,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:47,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:47,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:47,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-27 07:01:47,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:47,691 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)] === [2024-04-27 07:01:47,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:47,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1503257789, now seen corresponding path program 3 times [2024-04-27 07:01:47,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:47,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57455515] [2024-04-27 07:01:47,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:47,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:47,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57455515] [2024-04-27 07:01:47,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57455515] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:01:47,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406606336] [2024-04-27 07:01:47,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 07:01:47,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:47,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:47,745 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) [2024-04-27 07:01:47,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-27 07:01:47,784 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-27 07:01:47,784 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 07:01:47,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-27 07:01:47,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:01:47,810 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 07:01:47,811 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-27 07:01:47,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406606336] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 07:01:47,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-27 07:01:47,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-27 07:01:47,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899877170] [2024-04-27 07:01:47,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 07:01:47,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 07:01:47,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 4 times [2024-04-27 07:01:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:47,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:47,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:47,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:47,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:47,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-27 07:01:47,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-27 07:01:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:47,933 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:47,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2024-04-27 07:01:47,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:47,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:47,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:47,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:47,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:48,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-27 07:01:48,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:48,522 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)] === [2024-04-27 07:01:48,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:01:48,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1899569813, now seen corresponding path program 4 times [2024-04-27 07:01:48,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:01:48,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848859437] [2024-04-27 07:01:48,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:48,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:49,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 07:01:49,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:01:49,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848859437] [2024-04-27 07:01:49,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848859437] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:01:49,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996112157] [2024-04-27 07:01:49,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 07:01:49,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:01:49,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:01:49,052 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) [2024-04-27 07:01:49,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-27 07:01:49,106 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 07:01:49,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 07:01:49,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-27 07:01:49,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:01:49,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:49,714 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 [2024-04-27 07:01:49,817 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:49,818 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 [2024-04-27 07:01:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:49,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 07:01:50,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:50,279 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 [2024-04-27 07:01:50,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:01:50,541 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 [2024-04-27 07:01:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:50,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996112157] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 07:01:50,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 07:01:50,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 48 [2024-04-27 07:01:50,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130331819] [2024-04-27 07:01:50,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 07:01:50,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-27 07:01:50,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:01:50,944 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 5 times [2024-04-27 07:01:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:50,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:50,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:50,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:01:51,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1918481047, now seen corresponding path program 1 times [2024-04-27 07:01:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:51,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-27 07:01:51,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:01:51,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:01:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:01:51,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-27 07:01:51,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-27 07:01:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1983, Unknown=0, NotChecked=0, Total=2256 [2024-04-27 07:01:51,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:01:51,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:01:51,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.4583333333333335) internal successors, (118), 48 states have internal predecessors, (118), 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) [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:01:51,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:02:14,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-27 07:02:14,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-27 07:02:14,816 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,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-27 07:02:14,816 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)] === [2024-04-27 07:02:14,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:02:14,816 INFO L85 PathProgramCache]: Analyzing trace with hash 254365237, now seen corresponding path program 5 times [2024-04-27 07:02:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:02:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695612461] [2024-04-27 07:02:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:02:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:02:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:02:16,480 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 10 proven. 83 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-27 07:02:16,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:02:16,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695612461] [2024-04-27 07:02:16,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695612461] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:02:16,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992162770] [2024-04-27 07:02:16,481 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 07:02:16,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:02:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:02:16,485 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) [2024-04-27 07:02:16,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-27 07:02:16,564 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-27 07:02:16,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 07:02:16,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-27 07:02:16,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:02:19,108 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:02:19,109 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 91 treesize of output 55 [2024-04-27 07:02:19,455 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:02:19,455 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 [2024-04-27 07:02:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 5 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:02:19,554 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 07:02:21,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:02:21,980 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 [2024-04-27 07:02:32,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,390 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,395 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,396 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,397 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,400 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,402 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:02:32,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:02:32,464 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 [2024-04-27 07:02:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 12 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:02:33,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992162770] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 07:02:33,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 07:02:33,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 37, 37] total 92 [2024-04-27 07:02:33,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998404390] [2024-04-27 07:02:33,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 07:02:33,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-04-27 07:02:33,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:02:33,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-04-27 07:02:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=912, Invalid=7460, Unknown=0, NotChecked=0, Total=8372 [2024-04-27 07:02:33,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:02:33,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:02:33,725 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) [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-27 07:02:33,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:04:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-27 07:04:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 722 states. [2024-04-27 07:04:56,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-27 07:04:57,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:04:57,074 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)] === [2024-04-27 07:04:57,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:04:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1001592993, now seen corresponding path program 6 times [2024-04-27 07:04:57,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:04:57,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686752047] [2024-04-27 07:04:57,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:04:57,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:04:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:04:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 166 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-04-27 07:04:59,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:04:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686752047] [2024-04-27 07:04:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686752047] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:04:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679880964] [2024-04-27 07:04:59,975 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-27 07:04:59,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:04:59,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:04:59,977 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) [2024-04-27 07:04:59,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-27 07:05:00,064 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-27 07:05:00,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 07:05:00,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 108 conjunts are in the unsatisfiable core [2024-04-27 07:05:00,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:05:04,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:05:04,024 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 [2024-04-27 07:05:04,719 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:05:04,720 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 [2024-04-27 07:05:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:05:04,853 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 07:05:10,073 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,076 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,077 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,080 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,081 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,089 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,092 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,092 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,093 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,094 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,095 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,096 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,101 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 07:05:10,249 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:05:10,250 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 [2024-04-27 07:05:13,828 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:05:13,829 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 [2024-04-27 07:05:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:05:57,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679880964] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 07:05:57,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 07:05:57,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 49, 49] total 124 [2024-04-27 07:05:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632233021] [2024-04-27 07:05:57,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 07:05:57,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-04-27 07:05:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 07:05:57,801 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 6 times [2024-04-27 07:05:57,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:05:57,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:05:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:05:57,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:05:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:05:57,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:05:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:05:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:05:58,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-04-27 07:05:58,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2046, Invalid=13206, Unknown=0, NotChecked=0, Total=15252 [2024-04-27 07:05:58,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:05:58,132 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 07:05:58,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 1.9596774193548387) internal successors, (243), 124 states have internal predecessors, (243), 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) [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 350 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 722 states. [2024-04-27 07:05:58,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 350 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 722 states. [2024-04-27 07:12:25,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 767 states. [2024-04-27 07:12:25,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-27 07:12:25,222 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,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32 [2024-04-27 07:12:25,222 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)] === [2024-04-27 07:12:25,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 07:12:25,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1377364037, now seen corresponding path program 7 times [2024-04-27 07:12:25,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 07:12:25,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366710807] [2024-04-27 07:12:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 07:12:25,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 07:12:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:12:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 10 proven. 297 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-27 07:12:28,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 07:12:28,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366710807] [2024-04-27 07:12:28,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366710807] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 07:12:28,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353368072] [2024-04-27 07:12:28,382 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-27 07:12:28,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:12:28,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 07:12:28,385 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) [2024-04-27 07:12:28,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-27 07:12:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 07:12:28,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 127 conjunts are in the unsatisfiable core [2024-04-27 07:12:28,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 07:12:35,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:12:35,939 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 [2024-04-27 07:12:37,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:12:37,220 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 [2024-04-27 07:12:37,393 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 07:12:37,394 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 07:12:47,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 07:12:47,792 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 Received shutdown request... [2024-04-27 07:15:09,625 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2024-04-27 07:15:09,637 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 [2024-04-27 07:15:09,637 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 [2024-04-27 07:15:09,637 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 [2024-04-27 07:15:09,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-27 07:15:09,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 07:15:09,832 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 context. [2024-04-27 07:15:09,833 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-27 07:15:09,834 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-27 07:15:09,834 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-27 07:15:09,834 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-27 07:15:09,841 INFO L448 BasicCegarLoop]: Path program histogram: [7, 6, 2, 1, 1, 1, 1, 1, 1, 1] [2024-04-27 07:15:09,845 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-27 07:15:09,845 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-27 07:15:09,848 INFO L201 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 07:15:09 BasicIcfg [2024-04-27 07:15:09,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-27 07:15:09,849 INFO L158 Benchmark]: Toolchain (without parser) took 808767.80ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 240.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-04-27 07:15:09,849 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 160.4MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-27 07:15:09,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.11ms. Allocated memory is still 268.4MB. Free memory was 240.6MB in the beginning and 239.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 07:15:09,850 INFO L158 Benchmark]: Boogie Preprocessor took 21.49ms. Allocated memory is still 268.4MB. Free memory was 239.2MB in the beginning and 237.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-27 07:15:09,850 INFO L158 Benchmark]: RCFGBuilder took 314.99ms. Allocated memory is still 268.4MB. Free memory was 237.9MB in the beginning and 226.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-27 07:15:09,850 INFO L158 Benchmark]: TraceAbstraction took 808368.17ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 225.5MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2024-04-27 07:15:09,855 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 0.10ms. Allocated memory is still 160.4MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.11ms. Allocated memory is still 268.4MB. Free memory was 240.6MB in the beginning and 239.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.49ms. Allocated memory is still 268.4MB. Free memory was 239.2MB in the beginning and 237.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 314.99ms. Allocated memory is still 268.4MB. Free memory was 237.9MB in the beginning and 226.6MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 808368.17ms. Allocated memory was 268.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 225.5MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 948836, independent: 841294, independent conditional: 841294, independent unconditional: 0, dependent: 107542, dependent conditional: 107542, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 852138, independent: 841294, independent conditional: 841294, independent unconditional: 0, dependent: 10844, dependent conditional: 10844, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 852138, independent: 841294, independent conditional: 841294, independent unconditional: 0, dependent: 10844, dependent conditional: 10844, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 852138, independent: 841294, independent conditional: 841294, independent unconditional: 0, dependent: 10844, dependent conditional: 10844, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2906, independent unconditional: 838388, dependent: 113115, dependent conditional: 89870, dependent unconditional: 23245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2529, independent unconditional: 838765, dependent: 113115, dependent conditional: 18876, dependent unconditional: 94239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2529, independent unconditional: 838765, dependent: 113115, dependent conditional: 18876, dependent unconditional: 94239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1411, independent: 793, independent conditional: 603, independent unconditional: 190, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1411, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 1215, dependent conditional: 0, dependent unconditional: 1215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1215, independent: 597, independent conditional: 595, independent unconditional: 2, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1215, independent: 597, independent conditional: 595, independent unconditional: 2, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2725, independent: 1033, independent conditional: 1024, independent unconditional: 8, dependent: 1693, dependent conditional: 1622, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 954409, independent: 840501, independent conditional: 1926, independent unconditional: 838575, dependent: 112497, dependent conditional: 18271, dependent unconditional: 94226, unknown: 1411, unknown conditional: 1208, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 1411, Positive cache size: 793, Positive conditional cache size: 603, Positive unconditional cache size: 190, Negative cache size: 618, Negative conditional cache size: 605, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71371, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2906, independent unconditional: 838388, dependent: 113115, dependent conditional: 89870, dependent unconditional: 23245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2529, independent unconditional: 838765, dependent: 113115, dependent conditional: 18876, dependent unconditional: 94239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 954409, independent: 841294, independent conditional: 2529, independent unconditional: 838765, dependent: 113115, dependent conditional: 18876, dependent unconditional: 94239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1411, independent: 793, independent conditional: 603, independent unconditional: 190, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1411, independent: 196, independent conditional: 0, independent unconditional: 196, dependent: 1215, dependent conditional: 0, dependent unconditional: 1215, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1215, independent: 597, independent conditional: 595, independent unconditional: 2, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1215, independent: 597, independent conditional: 595, independent unconditional: 2, dependent: 618, dependent conditional: 605, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2725, independent: 1033, independent conditional: 1024, independent unconditional: 8, dependent: 1693, dependent conditional: 1622, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 954409, independent: 840501, independent conditional: 1926, independent unconditional: 838575, dependent: 112497, dependent conditional: 18271, dependent unconditional: 94226, unknown: 1411, unknown conditional: 1208, unknown unconditional: 203] , Statistics on independence cache: Total cache size (in pairs): 1411, Positive cache size: 793, Positive conditional cache size: 603, Positive unconditional cache size: 190, Negative cache size: 618, Negative conditional cache size: 605, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 71371 ], Independence queries for same thread: 96698 - 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 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 ∧-2-8-2-20-2-17-2-17-2-17-2-16-2-15-2-14-3-13-3-12-2-10-2-9-2-8-2-6-2-4-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 12 xjuncts wrt. a ∧-59-20-2-19-2-17-2-17-2-19-2-18-3-17-3-16-3-15-2-12-3-12-3-11-2-9-2-8-2-6-2-5-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 61 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 808.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 556.1s, 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: 1900, 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, 82.6s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 957 ConstructedInterpolants, 0 QuantifiedInterpolants, 24266 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, ConditionalCommutativityCheckTime: 2.5s, ConditionalCommutativityIAIntegrations: 12, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown