/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/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 02:00:32,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 02:00:32,694 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 02:00:32,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 02:00:32,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 02:00:32,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 02:00:32,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 02:00:32,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 02:00:32,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 02:00:32,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 02:00:32,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 02:00:32,734 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 02:00:32,735 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 02:00:32,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 02:00:32,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 02:00:32,736 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 02:00:32,736 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 02:00:32,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 02:00:32,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 02:00:32,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 02:00:32,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 02:00:32,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 02:00:32,738 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 02:00:32,738 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 02:00:32,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 02:00:32,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 02:00:32,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 02:00:32,741 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 02:00:32,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 02:00:32,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-04 02:00:32,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 02:00:32,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 02:00:32,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 02:00:32,998 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 02:00:32,998 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 02:00:32,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2024-05-04 02:00:33,000 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2024-05-04 02:00:33,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 02:00:33,059 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 02:00:33,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 02:00:33,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 02:00:33,060 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 02:00:33,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,090 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 02:00:33,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 02:00:33,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 02:00:33,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 02:00:33,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 02:00:33,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 02:00:33,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 02:00:33,109 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 02:00:33,109 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 02:00:33,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/1) ... [2024-05-04 02:00:33,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 02:00:33,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:33,135 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) [2024-05-04 02:00:33,143 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 [2024-05-04 02:00:33,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 02:00:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 02:00:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 02:00:33,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 02:00:33,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 02:00:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 02:00:33,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 02:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 02:00:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 02:00:33,187 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-04 02:00:33,187 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 02:00:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 02:00:33,188 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 02:00:33,228 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 02:00:33,231 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 02:00:33,313 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 02:00:33,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 02:00:33,331 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 02:00:33,332 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:00:33 BoogieIcfgContainer [2024-05-04 02:00:33,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 02:00:33,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 02:00:33,334 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 02:00:33,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 02:00:33,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 02:00:33" (1/2) ... [2024-05-04 02:00:33,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748191ee and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 02:00:33, skipping insertion in model container [2024-05-04 02:00:33,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 02:00:33" (2/2) ... [2024-05-04 02:00:33,339 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2024-05-04 02:00:33,345 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 02:00:33,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 02:00:33,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 02:00:33,352 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 02:00:33,378 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 02:00:33,408 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 02:00:33,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 02:00:33,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:33,411 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) [2024-05-04 02:00:33,412 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 [2024-05-04 02:00:33,456 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 02:00:33,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:33,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 02:00:33,472 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;@3a9565e4, 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 [2024-05-04 02:00:33,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 02:00:33,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:33,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2046495706, now seen corresponding path program 1 times [2024-05-04 02:00:33,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:33,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136704897] [2024-05-04 02:00:33,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:33,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:33,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:33,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136704897] [2024-05-04 02:00:33,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136704897] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 02:00:33,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 02:00:33,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 02:00:33,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029963313] [2024-05-04 02:00:33,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 02:00:33,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 02:00:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:33,826 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 1 times [2024-05-04 02:00:33,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:33,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:33,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:33,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 02:00:33,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 02:00:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:33,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:33,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-05-04 02:00:33,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:34,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-05-04 02:00:34,052 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:34,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1419046988, now seen corresponding path program 1 times [2024-05-04 02:00:34,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:34,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912821089] [2024-05-04 02:00:34,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 02:00:34,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:34,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912821089] [2024-05-04 02:00:34,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912821089] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 02:00:34,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 02:00:34,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 02:00:34,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643130104] [2024-05-04 02:00:34,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 02:00:34,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 02:00:34,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:34,276 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 2 times [2024-05-04 02:00:34,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 1 times [2024-05-04 02:00:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 02:00:34,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 02:00:34,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:34,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:34,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 02:00:34,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:34,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:34,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:34,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:34,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-04 02:00:34,701 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:34,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:34,702 INFO L85 PathProgramCache]: Analyzing trace with hash 2061731028, now seen corresponding path program 2 times [2024-05-04 02:00:34,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:34,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029457898] [2024-05-04 02:00:34,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:34,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:34,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029457898] [2024-05-04 02:00:34,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029457898] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102436304] [2024-05-04 02:00:34,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 02:00:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:34,787 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) [2024-05-04 02:00:34,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 02:00:34,821 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 02:00:34,821 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:34,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 02:00:34,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:34,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:34,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:00:34,961 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 22 treesize of output 24 [2024-05-04 02:00:35,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102436304] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:35,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:35,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-05-04 02:00:35,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079482323] [2024-05-04 02:00:35,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:35,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-04 02:00:35,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:35,089 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 3 times [2024-05-04 02:00:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 2 times [2024-05-04 02:00:35,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,219 INFO L85 PathProgramCache]: Analyzing trace with hash -287150624, now seen corresponding path program 1 times [2024-05-04 02:00:35,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,280 INFO L85 PathProgramCache]: Analyzing trace with hash -311734669, now seen corresponding path program 1 times [2024-05-04 02:00:35,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-04 02:00:35,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-05-04 02:00:35,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:35,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:35,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 10 states have internal predecessors, (49), 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) [2024-05-04 02:00:35,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:35,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 02:00:35,659 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-05-04 02:00:35,660 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:35,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash 549701242, now seen corresponding path program 3 times [2024-05-04 02:00:35,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:35,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447494456] [2024-05-04 02:00:35,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:35,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447494456] [2024-05-04 02:00:35,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447494456] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:35,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005284320] [2024-05-04 02:00:35,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 02:00:35,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:35,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:35,694 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) [2024-05-04 02:00:35,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 02:00:35,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-04 02:00:35,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:35,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2024-05-04 02:00:35,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:35,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:35,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005284320] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:35,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:35,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-05-04 02:00:35,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891761206] [2024-05-04 02:00:35,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:35,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 02:00:35,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:35,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 02:00:35,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 02:00:35,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:35,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:35,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2024-05-04 02:00:35,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:35,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:35,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-04 02:00:36,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-04 02:00:36,028 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:36,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:36,029 INFO L85 PathProgramCache]: Analyzing trace with hash 385380954, now seen corresponding path program 1 times [2024-05-04 02:00:36,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:36,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373098366] [2024-05-04 02:00:36,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,067 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 02:00:36,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:36,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373098366] [2024-05-04 02:00:36,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373098366] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:36,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070620136] [2024-05-04 02:00:36,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:36,085 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) [2024-05-04 02:00:36,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 02:00:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-04 02:00:36,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 02:00:36,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 02:00:36,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070620136] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 02:00:36,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 02:00:36,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-05-04 02:00:36,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121592151] [2024-05-04 02:00:36,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 02:00:36,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 02:00:36,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:36,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 3 times [2024-05-04 02:00:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 02:00:36,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-04 02:00:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:36,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:36,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2024-05-04 02:00:36,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:36,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:36,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:36,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:36,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:36,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:36,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 02:00:36,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:36,511 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:36,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash 393423650, now seen corresponding path program 2 times [2024-05-04 02:00:36,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:36,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783174051] [2024-05-04 02:00:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:36,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783174051] [2024-05-04 02:00:36,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783174051] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:36,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065043777] [2024-05-04 02:00:36,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 02:00:36,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:36,645 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) [2024-05-04 02:00:36,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 02:00:36,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 02:00:36,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:36,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 02:00:36,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:36,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:00:36,878 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 42 treesize of output 60 [2024-05-04 02:00:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065043777] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:36,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:36,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-05-04 02:00:36,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105746103] [2024-05-04 02:00:36,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:36,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-05-04 02:00:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:36,990 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 4 times [2024-05-04 02:00:36,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:36,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:36,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:37,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 4 times [2024-05-04 02:00:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:37,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:37,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:37,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:37,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1536810561, now seen corresponding path program 1 times [2024-05-04 02:00:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:37,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:00:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:00:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-05-04 02:00:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-05-04 02:00:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:37,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:37,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 16 states have internal predecessors, (70), 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) [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:37,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:37,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:37,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 02:00:37,538 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,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-05-04 02:00:37,539 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:37,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:37,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1693683408, now seen corresponding path program 3 times [2024-05-04 02:00:37,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:37,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71265493] [2024-05-04 02:00:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:37,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:37,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71265493] [2024-05-04 02:00:37,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71265493] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:37,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278208465] [2024-05-04 02:00:37,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 02:00:37,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:37,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:37,748 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) [2024-05-04 02:00:37,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 02:00:37,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-04 02:00:37,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:37,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-04 02:00:37,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 02:00:37,990 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:00:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 02:00:37,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:00:37,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2024-05-04 02:00:37,997 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:37,998 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:00:38,286 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:00:38,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:00:38,347 INFO L349 Elim1Store]: treesize reduction 18, result has 78.3 percent of original size [2024-05-04 02:00:38,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 94 [2024-05-04 02:00:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:38,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278208465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:38,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:38,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-05-04 02:00:38,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985153357] [2024-05-04 02:00:38,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:38,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-04 02:00:38,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:38,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1123338596, now seen corresponding path program 2 times [2024-05-04 02:00:38,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:38,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:38,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-04 02:00:38,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:38,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-04 02:00:38,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-04 02:00:38,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-05-04 02:00:38,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:38,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:38,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 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) [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:38,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:39,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:39,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-04 02:00:39,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-05-04 02:00:39,557 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:39,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1199921430, now seen corresponding path program 4 times [2024-05-04 02:00:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:39,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777552951] [2024-05-04 02:00:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:00:40,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777552951] [2024-05-04 02:00:40,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777552951] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:40,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015204140] [2024-05-04 02:00:40,136 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 02:00:40,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:40,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:40,137 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) [2024-05-04 02:00:40,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 02:00:40,190 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 02:00:40,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:40,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-04 02:00:40,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:40,731 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:40,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:41,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:00:41,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2024-05-04 02:00:42,024 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 15 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:42,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015204140] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:42,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:42,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 16] total 37 [2024-05-04 02:00:42,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771021617] [2024-05-04 02:00:42,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:42,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-04 02:00:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:42,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1290532709, now seen corresponding path program 3 times [2024-05-04 02:00:42,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:42,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:42,072 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-05-04 02:00:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-05-04 02:00:42,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-04 02:00:42,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2024-05-04 02:00:42,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:42,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:42,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.157894736842105) internal successors, (158), 38 states have internal predecessors, (158), 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) [2024-05-04 02:00:42,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:42,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:42,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:44,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:00:44,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 02:00:44,451 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,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33 [2024-05-04 02:00:44,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:44,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:44,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2054761128, now seen corresponding path program 5 times [2024-05-04 02:00:44,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:44,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569185122] [2024-05-04 02:00:44,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:44,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 11 proven. 230 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 02:00:45,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:45,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569185122] [2024-05-04 02:00:45,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569185122] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:45,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922249940] [2024-05-04 02:00:45,068 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 02:00:45,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:45,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:45,078 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) [2024-05-04 02:00:45,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 02:00:45,134 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-04 02:00:45,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:45,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-04 02:00:45,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 31 proven. 216 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:00:45,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:46,993 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:00:46,993 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 136 treesize of output 534 [2024-05-04 02:00:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:00:48,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922249940] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:48,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:48,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 42 [2024-05-04 02:00:48,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998835366] [2024-05-04 02:00:48,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:48,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-04 02:00:48,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:48,119 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 5 times [2024-05-04 02:00:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:48,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1675512957, now seen corresponding path program 4 times [2024-05-04 02:00:48,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:48,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-05-04 02:00:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-05-04 02:00:48,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-04 02:00:48,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2024-05-04 02:00:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:48,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:48,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.488372093023256) internal successors, (193), 43 states have internal predecessors, (193), 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) [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:00:48,315 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:00:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:00:52,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 02:00:52,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:52,573 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:00:52,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:00:52,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2052626130, now seen corresponding path program 6 times [2024-05-04 02:00:52,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:00:52,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851588625] [2024-05-04 02:00:52,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 12 proven. 286 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:00:53,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:00:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851588625] [2024-05-04 02:00:53,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851588625] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:00:53,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584315684] [2024-05-04 02:00:53,317 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 02:00:53,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:00:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:00:53,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:00:53,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 02:00:53,357 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-04 02:00:53,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:00:53,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 68 conjunts are in the unsatisfiable core [2024-05-04 02:00:53,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:00:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 32 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:54,367 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:00:55,984 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:00:55,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2024-05-04 02:00:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 34 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:56,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584315684] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:00:56,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:00:56,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 20] total 49 [2024-05-04 02:00:56,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105501849] [2024-05-04 02:00:56,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:00:56,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-04 02:00:56,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:00:56,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 5 times [2024-05-04 02:00:56,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:56,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:56,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:56,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:56,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:00:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash -729530199, now seen corresponding path program 5 times [2024-05-04 02:00:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:56,954 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-04 02:00:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:00:56,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:00:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:00:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-04 02:00:57,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-04 02:00:57,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2128, Unknown=0, NotChecked=0, Total=2450 [2024-05-04 02:00:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:00:57,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:00:57,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.36) internal successors, (218), 50 states have internal predecessors, (218), 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) [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:00:57,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:03,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-04 02:01:03,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-05-04 02:01:03,700 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:01:03,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:01:03,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1929215828, now seen corresponding path program 7 times [2024-05-04 02:01:03,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:01:03,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070324737] [2024-05-04 02:01:03,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 345 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:01:04,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:01:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070324737] [2024-05-04 02:01:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070324737] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:01:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890888454] [2024-05-04 02:01:04,431 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 02:01:04,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:01:04,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:01:04,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:01:04,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 02:01:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:04,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-04 02:01:04,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:01:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:05,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:01:07,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:01:07,382 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 174 treesize of output 864 [2024-05-04 02:01:09,225 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:09,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890888454] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:01:09,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:01:09,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 54 [2024-05-04 02:01:09,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790063694] [2024-05-04 02:01:09,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:01:09,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-04 02:01:09,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:01:09,268 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 6 times [2024-05-04 02:01:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:09,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:09,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:09,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash 876898547, now seen corresponding path program 6 times [2024-05-04 02:01:09,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-05-04 02:01:09,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:09,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-05-04 02:01:09,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-04 02:01:09,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2606, Unknown=0, NotChecked=0, Total=2970 [2024-05-04 02:01:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:09,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:01:09,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.2727272727272725) internal successors, (235), 55 states have internal predecessors, (235), 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) [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:09,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:17,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:01:17,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-04 02:01:17,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48 [2024-05-04 02:01:17,841 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:01:17,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:01:17,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1891936626, now seen corresponding path program 8 times [2024-05-04 02:01:17,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:01:17,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621330230] [2024-05-04 02:01:17,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 16 proven. 510 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:01:19,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:01:19,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621330230] [2024-05-04 02:01:19,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621330230] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:01:19,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774628289] [2024-05-04 02:01:19,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 02:01:19,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:01:19,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:01:19,042 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:01:19,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 02:01:19,114 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 02:01:19,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:01:19,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-04 02:01:19,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:01:20,598 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 20 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:20,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:01:22,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:01:22,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2024-05-04 02:01:24,969 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 45 proven. 487 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:24,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774628289] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:01:24,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:01:24,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 60 [2024-05-04 02:01:24,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800126520] [2024-05-04 02:01:24,970 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:01:24,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-04 02:01:24,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:01:25,012 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 7 times [2024-05-04 02:01:25,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:25,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:25,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 6 times [2024-05-04 02:01:25,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:25,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:25,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1113487379, now seen corresponding path program 7 times [2024-05-04 02:01:25,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-05-04 02:01:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:25,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2024-05-04 02:01:25,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-04 02:01:25,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=3235, Unknown=0, NotChecked=0, Total=3660 [2024-05-04 02:01:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:25,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:01:25,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.60655737704918) internal successors, (281), 61 states have internal predecessors, (281), 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) [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:01:25,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:35,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:01:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:01:35,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-04 02:01:35,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-05-04 02:01:35,988 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:01:35,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:01:35,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1884454040, now seen corresponding path program 9 times [2024-05-04 02:01:35,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:01:35,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830660874] [2024-05-04 02:01:35,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:35,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 17 proven. 587 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:01:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:01:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830660874] [2024-05-04 02:01:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830660874] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:01:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506921003] [2024-05-04 02:01:37,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 02:01:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:01:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:01:37,549 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:01:37,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 02:01:37,622 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-05-04 02:01:37,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:01:37,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-04 02:01:37,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:01:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 26 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:40,002 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:01:42,341 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,342 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,342 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,343 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,344 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,344 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,345 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,345 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,346 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,346 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,347 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,347 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,347 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,348 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,349 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,349 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,349 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,351 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,356 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,357 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,357 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,358 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,360 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,361 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,373 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,374 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,375 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,376 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,378 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,379 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,381 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,383 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,384 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,385 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,387 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,388 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,391 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,392 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 02:01:42,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:01:42,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 165 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 212 treesize of output 724 [2024-05-04 02:01:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 53 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:43,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506921003] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:01:43,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:01:43,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 70 [2024-05-04 02:01:43,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096611492] [2024-05-04 02:01:43,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:01:43,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-05-04 02:01:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:01:43,343 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 8 times [2024-05-04 02:01:43,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:43,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:43,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 7 times [2024-05-04 02:01:43,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:43,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:01:43,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1003291962, now seen corresponding path program 8 times [2024-05-04 02:01:43,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-05-04 02:01:43,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:43,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:01:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-05-04 02:01:43,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-05-04 02:01:43,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=4434, Unknown=0, NotChecked=0, Total=4970 [2024-05-04 02:01:43,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:43,596 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:01:43,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.323943661971831) internal successors, (307), 71 states have internal predecessors, (307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:01:43,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:01:59,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:01:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:01:59,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 02:01:59,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-05-04 02:01:59,352 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:01:59,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:01:59,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2122016694, now seen corresponding path program 10 times [2024-05-04 02:01:59,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:01:59,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712524252] [2024-05-04 02:01:59,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:01:59,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:01:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 20 proven. 798 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:02:01,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:02:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712524252] [2024-05-04 02:02:01,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712524252] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:02:01,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436737830] [2024-05-04 02:02:01,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 02:02:01,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:02:01,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:02:01,230 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:02:01,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 02:02:01,290 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 02:02:01,290 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:02:01,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 98 conjunts are in the unsatisfiable core [2024-05-04 02:02:01,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:02:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 40 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:04,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:02:08,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:02:08,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2024-05-04 02:02:12,441 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 96 proven. 728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:12,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436737830] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:02:12,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:02:12,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2024-05-04 02:02:12,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684420586] [2024-05-04 02:02:12,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:02:12,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-05-04 02:02:12,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:02:12,483 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 9 times [2024-05-04 02:02:12,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:12,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:12,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:12,605 INFO L85 PathProgramCache]: Analyzing trace with hash 2024590641, now seen corresponding path program 9 times [2024-05-04 02:02:12,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:12,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-05-04 02:02:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:12,628 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-05-04 02:02:12,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-05-04 02:02:12,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=4696, Unknown=0, NotChecked=0, Total=5256 [2024-05-04 02:02:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:02:12,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:02:12,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.616438356164384) internal successors, (337), 73 states have internal predecessors, (337), 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) [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:02:12,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:02:31,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:02:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:02:31,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:02:31,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-04 02:02:31,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67 [2024-05-04 02:02:31,593 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:02:31,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:02:31,593 INFO L85 PathProgramCache]: Analyzing trace with hash -894797860, now seen corresponding path program 11 times [2024-05-04 02:02:31,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:02:31,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499816742] [2024-05-04 02:02:31,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 21 proven. 893 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:02:33,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:02:33,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499816742] [2024-05-04 02:02:33,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499816742] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:02:33,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726510586] [2024-05-04 02:02:33,584 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 02:02:33,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:02:33,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:02:33,585 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:02:33,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 02:02:33,672 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-05-04 02:02:33,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:02:33,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 106 conjunts are in the unsatisfiable core [2024-05-04 02:02:33,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:02:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 41 proven. 879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:36,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:02:41,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:02:41,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 250 treesize of output 1764 [2024-05-04 02:02:46,383 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 85 proven. 835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:46,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726510586] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:02:46,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:02:46,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 30] total 78 [2024-05-04 02:02:46,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278029136] [2024-05-04 02:02:46,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:02:46,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-04 02:02:46,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:02:46,415 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 10 times [2024-05-04 02:02:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:46,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:46,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 8 times [2024-05-04 02:02:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:02:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1294166967, now seen corresponding path program 10 times [2024-05-04 02:02:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-05-04 02:02:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:02:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:02:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:02:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-05-04 02:02:46,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-04 02:02:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=5539, Unknown=0, NotChecked=0, Total=6162 [2024-05-04 02:02:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:02:46,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:02:46,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.493670886075949) internal successors, (355), 79 states have internal predecessors, (355), 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) [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:02:46,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:02:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:02:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:02:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:02:46,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:03:08,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:03:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:03:08,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:03:08,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 02:03:09,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-05-04 02:03:09,070 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:03:09,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:03:09,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1493916678, now seen corresponding path program 12 times [2024-05-04 02:03:09,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:03:09,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789910008] [2024-05-04 02:03:09,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:03:09,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:03:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:03:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 24 proven. 1150 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:03:11,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:03:11,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789910008] [2024-05-04 02:03:11,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789910008] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:03:11,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250357755] [2024-05-04 02:03:11,671 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 02:03:11,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:03:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:03:11,672 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:03:11,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 02:03:11,752 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-05-04 02:03:11,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:03:11,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 136 conjunts are in the unsatisfiable core [2024-05-04 02:03:11,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:03:16,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:03:16,946 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 113 treesize of output 57 [2024-05-04 02:03:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 44 proven. 1136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:03:16,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:03:23,179 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:03:23,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 270 treesize of output 2040 [2024-05-04 02:03:30,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 139 proven. 1041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:03:30,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250357755] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:03:30,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:03:30,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 41, 32] total 93 [2024-05-04 02:03:30,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745335652] [2024-05-04 02:03:30,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:03:30,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-05-04 02:03:30,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:03:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1987112843, now seen corresponding path program 11 times [2024-05-04 02:03:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:03:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:03:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:03:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-05-04 02:03:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:03:30,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:03:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:03:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-05-04 02:03:30,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-05-04 02:03:30,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=7913, Unknown=0, NotChecked=0, Total=8742 [2024-05-04 02:03:30,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:03:30,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:03:30,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 4.223404255319149) internal successors, (397), 94 states have internal predecessors, (397), 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) [2024-05-04 02:03:30,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:30,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:30,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:03:30,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:03:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:03:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:03:54,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 02:03:54,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:03:54,302 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:03:54,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:03:54,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1068749896, now seen corresponding path program 13 times [2024-05-04 02:03:54,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:03:54,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942584701] [2024-05-04 02:03:54,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:03:54,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:03:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:03:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 27 proven. 1438 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 02:03:57,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:03:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942584701] [2024-05-04 02:03:57,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942584701] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:03:57,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217316598] [2024-05-04 02:03:57,675 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 02:03:57,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:03:57,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:03:57,677 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:03:57,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 02:03:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:03:57,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 122 conjunts are in the unsatisfiable core [2024-05-04 02:03:57,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:04:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 47 proven. 1424 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:04:02,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:04:09,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:04:09,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2024-05-04 02:04:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 204 proven. 1267 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 02:04:17,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217316598] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:04:17,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:04:17,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 90 [2024-05-04 02:04:17,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520632906] [2024-05-04 02:04:17,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:04:17,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-05-04 02:04:17,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:04:17,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1987367059, now seen corresponding path program 12 times [2024-05-04 02:04:17,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:04:17,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:04:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:04:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-05-04 02:04:17,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:04:17,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:04:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:04:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-05-04 02:04:18,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-05-04 02:04:18,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=7391, Unknown=0, NotChecked=0, Total=8190 [2024-05-04 02:04:18,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:04:18,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:04:18,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.758241758241758) internal successors, (433), 91 states have internal predecessors, (433), 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) [2024-05-04 02:04:18,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:04:18,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:04:18,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:04:18,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:04:18,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:04:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:04:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:04:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:04:53,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-05-04 02:04:53,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79 [2024-05-04 02:04:53,280 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:04:53,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:04:53,280 INFO L85 PathProgramCache]: Analyzing trace with hash 366566974, now seen corresponding path program 14 times [2024-05-04 02:04:53,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:04:53,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507528707] [2024-05-04 02:04:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:04:53,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:04:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:04:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 1566 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:04:57,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:04:57,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507528707] [2024-05-04 02:04:57,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507528707] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:04:57,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011172109] [2024-05-04 02:04:57,654 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 02:04:57,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:04:57,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:04:57,655 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:04:57,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 02:04:57,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 02:04:57,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:04:57,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 130 conjunts are in the unsatisfiable core [2024-05-04 02:04:57,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:05:03,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 48 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:03,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:05:11,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:05:11,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 308 treesize of output 2650 [2024-05-04 02:05:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 190 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:20,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011172109] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:05:20,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:05:20,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 96 [2024-05-04 02:05:20,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847022300] [2024-05-04 02:05:20,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:05:20,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-04 02:05:20,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:05:20,750 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 11 times [2024-05-04 02:05:20,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:20,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:20,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 9 times [2024-05-04 02:05:20,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:20,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:05:20,854 INFO L85 PathProgramCache]: Analyzing trace with hash -944680519, now seen corresponding path program 13 times [2024-05-04 02:05:20,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-05-04 02:05:20,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:05:20,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:05:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:05:20,902 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 926 trivial. 0 not checked. [2024-05-04 02:05:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-04 02:05:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=929, Invalid=8383, Unknown=0, NotChecked=0, Total=9312 [2024-05-04 02:05:20,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:05:20,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:05:20,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.711340206185567) internal successors, (457), 97 states have internal predecessors, (457), 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) [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:05:20,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:06:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:06:06,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:06:06,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:06:06,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-04 02:06:06,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-05-04 02:06:06,402 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:06:06,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:06:06,402 INFO L85 PathProgramCache]: Analyzing trace with hash -7903132, now seen corresponding path program 15 times [2024-05-04 02:06:06,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:06:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334511985] [2024-05-04 02:06:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:06:06,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:06:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:06:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 29 proven. 1697 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:06:10,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:06:10,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334511985] [2024-05-04 02:06:10,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334511985] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:06:10,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018611280] [2024-05-04 02:06:10,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 02:06:10,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:06:10,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:06:10,692 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:06:10,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-04 02:06:10,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-05-04 02:06:10,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:06:10,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 138 conjunts are in the unsatisfiable core [2024-05-04 02:06:10,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:06:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 20 proven. 1712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:06:17,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:06:28,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:06:28,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 326 treesize of output 2984 [2024-05-04 02:06:40,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 144 proven. 1588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:06:40,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018611280] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:06:40,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:06:40,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 38] total 102 [2024-05-04 02:06:40,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024943479] [2024-05-04 02:06:40,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:06:40,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-05-04 02:06:40,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:06:40,752 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 12 times [2024-05-04 02:06:40,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:06:40,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:06:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:06:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:06:40,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:06:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:06:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:06:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:06:40,884 INFO L85 PathProgramCache]: Analyzing trace with hash 436496959, now seen corresponding path program 14 times [2024-05-04 02:06:40,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:06:40,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:06:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:06:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-05-04 02:06:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:06:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:06:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:06:40,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-05-04 02:06:41,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-05-04 02:06:41,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=9548, Unknown=0, NotChecked=0, Total=10506 [2024-05-04 02:06:41,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:06:41,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:06:41,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.650485436893204) internal successors, (479), 103 states have internal predecessors, (479), 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) [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:06:41,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:07:32,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:07:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-05-04 02:07:32,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-04 02:07:32,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88,SelfDestructingSolverStorable89 [2024-05-04 02:07:32,369 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:07:32,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:07:32,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1783797378, now seen corresponding path program 16 times [2024-05-04 02:07:32,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:07:32,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216387530] [2024-05-04 02:07:32,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:07:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:07:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:07:37,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 32 proven. 2046 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:07:37,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:07:37,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216387530] [2024-05-04 02:07:37,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216387530] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:07:37,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157881359] [2024-05-04 02:07:37,746 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 02:07:37,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:07:37,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:07:37,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:07:37,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-04 02:07:37,842 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 02:07:37,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:07:37,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 146 conjunts are in the unsatisfiable core [2024-05-04 02:07:37,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:07:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 52 proven. 2032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:07:46,093 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:07:58,511 WARN L293 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 1097 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-04 02:07:58,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:07:58,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2024-05-04 02:08:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 249 proven. 1835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:08:19,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157881359] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:08:19,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:08:19,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 108 [2024-05-04 02:08:19,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219212569] [2024-05-04 02:08:19,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:08:19,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-05-04 02:08:19,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:08:19,043 INFO L85 PathProgramCache]: Analyzing trace with hash 309173490, now seen corresponding path program 15 times [2024-05-04 02:08:19,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:08:19,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:08:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:08:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-05-04 02:08:19,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:08:19,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:08:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:08:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-05-04 02:08:19,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-05-04 02:08:19,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=10694, Unknown=0, NotChecked=0, Total=11772 [2024-05-04 02:08:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:08:19,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:08:19,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.743119266055046) internal successors, (517), 109 states have internal predecessors, (517), 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) [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:08:19,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-05-04 02:08:19,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:09:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:09:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-05-04 02:09:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-04 02:09:25,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-04 02:09:25,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,SelfDestructingSolverStorable94,SelfDestructingSolverStorable95,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:09:25,483 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:09:25,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:09:25,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1084334680, now seen corresponding path program 17 times [2024-05-04 02:09:25,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:09:25,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660923394] [2024-05-04 02:09:25,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:09:25,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:09:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:09:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 33 proven. 2195 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 02:09:31,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 02:09:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660923394] [2024-05-04 02:09:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660923394] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 02:09:31,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333063440] [2024-05-04 02:09:31,237 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 02:09:31,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 02:09:31,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 02:09:31,239 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 02:09:31,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-04 02:09:31,342 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-05-04 02:09:31,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 02:09:31,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 154 conjunts are in the unsatisfiable core [2024-05-04 02:09:31,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 02:09:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 53 proven. 2181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:09:40,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 02:09:53,721 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 1215 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-05-04 02:09:53,721 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 02:09:53,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 364 treesize of output 3714 [2024-05-04 02:10:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 229 proven. 2005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:10:15,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333063440] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 02:10:15,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 02:10:15,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 114 [2024-05-04 02:10:15,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674472429] [2024-05-04 02:10:15,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 02:10:15,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-05-04 02:10:15,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 02:10:15,162 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 13 times [2024-05-04 02:10:15,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:10:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:10:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:10:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:10:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:10:15,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:10:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:10:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 02:10:15,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1212634582, now seen corresponding path program 16 times [2024-05-04 02:10:15,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:10:15,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:10:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:10:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2024-05-04 02:10:15,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:10:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:10:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 02:10:15,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2024-05-04 02:10:15,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-05-04 02:10:15,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=11956, Unknown=0, NotChecked=0, Total=13110 [2024-05-04 02:10:15,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:10:15,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 02:10:15,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.6521739130434785) internal successors, (535), 115 states have internal predecessors, (535), 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) [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:10:15,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:10:15,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:10:15,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-05-04 02:10:15,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-05-04 02:10:15,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-04 02:11:30,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-05-04 02:11:30,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2024-05-04 02:11:30,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-04 02:11:30,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable96,SelfDestructingSolverStorable97,SelfDestructingSolverStorable98,SelfDestructingSolverStorable99,SelfDestructingSolverStorable100 [2024-05-04 02:11:30,510 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 02:11:30,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 02:11:30,510 INFO L85 PathProgramCache]: Analyzing trace with hash -150385466, now seen corresponding path program 18 times [2024-05-04 02:11:30,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 02:11:30,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413101515] [2024-05-04 02:11:30,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 02:11:30,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 02:11:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat