/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-3774817-m [2024-04-06 19:03:31,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 19:03:32,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 19:03:32,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 19:03:32,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 19:03:32,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 19:03:32,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 19:03:32,036 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 19:03:32,036 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 19:03:32,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 19:03:32,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 19:03:32,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 19:03:32,040 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 19:03:32,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 19:03:32,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 19:03:32,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 19:03:32,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 19:03:32,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 19:03:32,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 19:03:32,043 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 19:03:32,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 19:03:32,044 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 19:03:32,044 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 19:03:32,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 19:03:32,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 19:03:32,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 19:03:32,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 19:03:32,047 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 19:03:32,047 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-06 19:03:32,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 19:03:32,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 19:03:32,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 19:03:32,311 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 19:03:32,314 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 19:03:32,316 INFO L431 ainManager$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 [2024-04-06 19:03:32,316 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2024-04-06 19:03:32,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 19:03:32,355 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 19:03:32,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 19:03:32,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 19:03:32,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 19:03:32,366 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 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,373 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 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,377 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 19:03:32,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 19:03:32,379 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 19:03:32,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 19:03:32,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 19:03:32,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 19:03:32,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 19:03:32,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 19:03:32,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 19:03:32,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/1) ... [2024-04-06 19:03:32,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 19:03:32,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:32,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 19:03:32,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 19:03:32,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 19:03:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 19:03:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 19:03:32,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 19:03:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 19:03:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 19:03:32,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 19:03:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 19:03:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 19:03:32,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 19:03:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 19:03:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 19:03:32,468 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 19:03:32,505 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 19:03:32,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 19:03:32,619 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 19:03:32,635 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 19:03:32,635 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 19:03:32,636 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:03:32 BoogieIcfgContainer [2024-04-06 19:03:32,636 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 19:03:32,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 19:03:32,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 19:03:32,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 19:03:32,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 07:03:32" (1/2) ... [2024-04-06 19:03:32,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@544d2781 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:03:32, skipping insertion in model container [2024-04-06 19:03:32,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:03:32" (2/2) ... [2024-04-06 19:03:32,647 INFO L112 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2024-04-06 19:03:32,653 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 19:03:32,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 19:03:32,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 19:03:32,660 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 19:03:32,697 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 19:03:32,732 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 19:03:32,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 19:03:32,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:32,747 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 19:03:32,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 19:03:32,779 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 19:03:32,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:32,789 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 19:03:32,794 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;@20a66794, 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 [2024-04-06 19:03:32,795 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 19:03:32,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 19:03:32,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:32,859 INFO L85 PathProgramCache]: Analyzing trace with hash -2046495706, now seen corresponding path program 1 times [2024-04-06 19:03:32,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:32,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332303741] [2024-04-06 19:03:32,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:32,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:33,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332303741] [2024-04-06 19:03:33,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332303741] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 19:03:33,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 19:03:33,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 19:03:33,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719126695] [2024-04-06 19:03:33,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 19:03:33,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 19:03:33,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:33,159 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 1 times [2024-04-06 19:03:33,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 19:03:33,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 19:03:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:33,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:33,196 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) [2024-04-06 19:03:33,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:33,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:33,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-04-06 19:03:33,314 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 19:03:33,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:33,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1419046988, now seen corresponding path program 1 times [2024-04-06 19:03:33,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:33,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585120104] [2024-04-06 19:03:33,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 19:03:33,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:33,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585120104] [2024-04-06 19:03:33,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585120104] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 19:03:33,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 19:03:33,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 19:03:33,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32613646] [2024-04-06 19:03:33,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 19:03:33,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 19:03:33,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:33,440 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 2 times [2024-04-06 19:03:33,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 1 times [2024-04-06 19:03:33,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:33,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:33,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 19:03:33,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 19:03:33,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:33,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:33,899 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) [2024-04-06 19:03:33,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:33,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:33,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:33,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:33,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-04-06 19:03:33,974 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 19:03:33,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:33,975 INFO L85 PathProgramCache]: Analyzing trace with hash 2061731028, now seen corresponding path program 2 times [2024-04-06 19:03:33,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:33,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668119416] [2024-04-06 19:03:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:33,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:34,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668119416] [2024-04-06 19:03:34,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668119416] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:34,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18015387] [2024-04-06 19:03:34,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 19:03:34,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:34,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:34,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:34,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 19:03:34,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 19:03:34,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:34,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 19:03:34,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:34,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:03:34,214 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 [2024-04-06 19:03:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18015387] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:34,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:34,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-04-06 19:03:34,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595037122] [2024-04-06 19:03:34,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:34,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-06 19:03:34,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:34,318 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 3 times [2024-04-06 19:03:34,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:34,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 2 times [2024-04-06 19:03:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:34,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-06 19:03:34,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-04-06 19:03:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:34,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:34,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 19:03:34,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:34,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 19:03:34,838 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 [2024-04-06 19:03:34,839 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)] === [2024-04-06 19:03:34,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash 549701242, now seen corresponding path program 3 times [2024-04-06 19:03:34,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:34,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145446639] [2024-04-06 19:03:34,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:34,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145446639] [2024-04-06 19:03:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145446639] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384043659] [2024-04-06 19:03:34,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 19:03:34,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:34,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:34,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:34,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 19:03:34,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-06 19:03:34,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:34,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2024-04-06 19:03:34,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:34,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384043659] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:34,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:34,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-04-06 19:03:34,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107771911] [2024-04-06 19:03:34,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:34,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 19:03:34,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:34,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 19:03:34,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 19:03:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:34,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:34,965 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) [2024-04-06 19:03:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:34,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:35,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-06 19:03:35,193 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,SelfDestructingSolverStorable13 [2024-04-06 19:03:35,193 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)] === [2024-04-06 19:03:35,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:35,194 INFO L85 PathProgramCache]: Analyzing trace with hash 385380954, now seen corresponding path program 1 times [2024-04-06 19:03:35,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:35,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141834505] [2024-04-06 19:03:35,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:35,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 19:03:35,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:35,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141834505] [2024-04-06 19:03:35,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141834505] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:35,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878046706] [2024-04-06 19:03:35,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:35,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:35,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:35,234 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:35,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 19:03:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:35,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 19:03:35,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 19:03:35,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 19:03:35,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878046706] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 19:03:35,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 19:03:35,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-06 19:03:35,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724996414] [2024-04-06 19:03:35,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 19:03:35,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 19:03:35,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:35,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 3 times [2024-04-06 19:03:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:35,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:35,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:35,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:35,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:35,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 19:03:35,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-06 19:03:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:35,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:35,377 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) [2024-04-06 19:03:35,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:35,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:35,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:35,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:35,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:35,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 19:03:35,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2024-04-06 19:03:35,634 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)] === [2024-04-06 19:03:35,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash 393423650, now seen corresponding path program 2 times [2024-04-06 19:03:35,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:35,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873932698] [2024-04-06 19:03:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:35,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:35,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:35,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873932698] [2024-04-06 19:03:35,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873932698] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:35,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470210564] [2024-04-06 19:03:35,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 19:03:35,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:35,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:35,794 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:35,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 19:03:35,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 19:03:35,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:35,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-06 19:03:35,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:35,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:36,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:03:36,004 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 [2024-04-06 19:03:36,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470210564] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:36,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:36,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-04-06 19:03:36,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428827746] [2024-04-06 19:03:36,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:36,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-06 19:03:36,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:36,117 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 4 times [2024-04-06 19:03:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:36,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:36,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:36,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 4 times [2024-04-06 19:03:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:36,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:36,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-06 19:03:36,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-04-06 19:03:36,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:36,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:36,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:36,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:36,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 19:03:36,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable17 [2024-04-06 19:03:36,661 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)] === [2024-04-06 19:03:36,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1693683408, now seen corresponding path program 3 times [2024-04-06 19:03:36,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:36,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498160370] [2024-04-06 19:03:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:36,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:36,806 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:36,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:36,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498160370] [2024-04-06 19:03:36,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498160370] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:36,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912649068] [2024-04-06 19:03:36,807 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 19:03:36,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:36,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:36,820 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:36,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 19:03:36,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-06 19:03:36,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:36,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-06 19:03:36,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:37,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 19:03:37,050 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:03:37,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 19:03:37,051 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:03:37,052 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 [2024-04-06 19:03:37,057 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:37,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:37,349 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:03:37,349 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:03:37,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:03:37,407 INFO L349 Elim1Store]: treesize reduction 18, result has 78.3 percent of original size [2024-04-06 19:03:37,407 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 [2024-04-06 19:03:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912649068] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:37,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:37,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 23 [2024-04-06 19:03:37,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871642873] [2024-04-06 19:03:37,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:37,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 19:03:37,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:37,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1123338596, now seen corresponding path program 1 times [2024-04-06 19:03:37,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:37,612 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 19:03:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:37,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:37,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 19:03:37,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 19:03:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-04-06 19:03:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:37,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:37,622 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) [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:37,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:38,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:38,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-06 19:03:38,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2024-04-06 19:03:38,537 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)] === [2024-04-06 19:03:38,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:38,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1199921430, now seen corresponding path program 4 times [2024-04-06 19:03:38,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:38,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175669721] [2024-04-06 19:03:38,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:39,113 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 126 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:03:39,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:39,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175669721] [2024-04-06 19:03:39,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175669721] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:39,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624281122] [2024-04-06 19:03:39,114 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 19:03:39,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:39,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:39,115 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:39,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 19:03:39,147 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 19:03:39,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:39,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-06 19:03:39,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:39,685 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:39,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:40,453 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:03:40,453 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 [2024-04-06 19:03:40,975 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 15 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:40,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624281122] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:40,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:40,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 16] total 37 [2024-04-06 19:03:40,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850569275] [2024-04-06 19:03:40,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:40,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-06 19:03:40,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1290532709, now seen corresponding path program 2 times [2024-04-06 19:03:41,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-06 19:03:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-04-06 19:03:41,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-06 19:03:41,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2024-04-06 19:03:41,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:41,073 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:41,073 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) [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:41,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:43,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:43,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:03:43,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 19:03:43,317 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,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2024-04-06 19:03:43,321 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)] === [2024-04-06 19:03:43,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2054761128, now seen corresponding path program 5 times [2024-04-06 19:03:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:43,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036862619] [2024-04-06 19:03:43,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 11 proven. 230 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-06 19:03:43,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:43,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036862619] [2024-04-06 19:03:43,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036862619] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:43,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247986895] [2024-04-06 19:03:43,876 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 19:03:43,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:43,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:43,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 19:03:43,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 19:03:43,920 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-06 19:03:43,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:43,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjunts are in the unsatisfiable core [2024-04-06 19:03:43,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 31 proven. 216 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 19:03:44,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:45,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:03:45,642 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 [2024-04-06 19:03:46,696 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 36 proven. 211 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 19:03:46,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247986895] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:46,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:46,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 42 [2024-04-06 19:03:46,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163815670] [2024-04-06 19:03:46,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:46,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-06 19:03:46,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:46,740 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 5 times [2024-04-06 19:03:46,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:46,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:46,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:46,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:46,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1675512957, now seen corresponding path program 3 times [2024-04-06 19:03:46,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:46,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:46,886 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-04-06 19:03:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-04-06 19:03:46,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-06 19:03:46,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2024-04-06 19:03:46,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:46,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:46,926 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) [2024-04-06 19:03:46,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:46,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:46,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:03:46,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:50,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:03:50,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:03:50,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 19:03:51,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable28,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:51,088 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)] === [2024-04-06 19:03:51,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:03:51,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2052626130, now seen corresponding path program 6 times [2024-04-06 19:03:51,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:03:51,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068627960] [2024-04-06 19:03:51,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:51,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:51,907 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 12 proven. 286 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:03:51,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:03:51,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068627960] [2024-04-06 19:03:51,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068627960] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:03:51,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229358370] [2024-04-06 19:03:51,907 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 19:03:51,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:03:51,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:03:51,908 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) [2024-04-06 19:03:51,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 19:03:51,949 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-06 19:03:51,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:03:51,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-06 19:03:51,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:03:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 32 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:52,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:03:54,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:03:54,320 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 [2024-04-06 19:03:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 34 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:55,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229358370] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:03:55,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:03:55,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 20] total 49 [2024-04-06 19:03:55,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688053823] [2024-04-06 19:03:55,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:03:55,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-06 19:03:55,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:03:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 5 times [2024-04-06 19:03:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:55,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:55,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:55,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:03:55,308 INFO L85 PathProgramCache]: Analyzing trace with hash -729530199, now seen corresponding path program 4 times [2024-04-06 19:03:55,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-06 19:03:55,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:03:55,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:03:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:03:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-04-06 19:03:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-06 19:03:55,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2128, Unknown=0, NotChecked=0, Total=2450 [2024-04-06 19:03:55,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:03:55,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:03:55,402 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) [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:03:55,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:01,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:01,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:01,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-06 19:04:01,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-04-06 19:04:01,735 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)] === [2024-04-06 19:04:01,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:04:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1929215828, now seen corresponding path program 7 times [2024-04-06 19:04:01,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:04:01,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607959511] [2024-04-06 19:04:01,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:01,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 345 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:04:02,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:04:02,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607959511] [2024-04-06 19:04:02,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607959511] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:04:02,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676323470] [2024-04-06 19:04:02,560 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 19:04:02,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:04:02,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:04:02,582 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) [2024-04-06 19:04:02,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 19:04:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:02,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-06 19:04:02,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:04:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 331 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:03,890 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:04:05,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:04:05,716 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 [2024-04-06 19:04:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676323470] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:04:07,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:04:07,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 54 [2024-04-06 19:04:07,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728512987] [2024-04-06 19:04:07,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:04:07,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-04-06 19:04:07,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:04:07,583 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 6 times [2024-04-06 19:04:07,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:07,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:07,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:07,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:07,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:07,719 INFO L85 PathProgramCache]: Analyzing trace with hash 876898547, now seen corresponding path program 5 times [2024-04-06 19:04:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:07,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:07,745 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-06 19:04:07,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:07,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-04-06 19:04:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-04-06 19:04:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2606, Unknown=0, NotChecked=0, Total=2970 [2024-04-06 19:04:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:07,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:04:07,783 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) [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:07,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:15,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:04:15,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-06 19:04:16,012 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2024-04-06 19:04:16,012 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)] === [2024-04-06 19:04:16,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:04:16,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1891936626, now seen corresponding path program 8 times [2024-04-06 19:04:16,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:04:16,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746609214] [2024-04-06 19:04:16,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:16,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 16 proven. 510 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:04:17,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:04:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746609214] [2024-04-06 19:04:17,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746609214] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:04:17,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183981362] [2024-04-06 19:04:17,275 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 19:04:17,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:04:17,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:04:17,278 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) [2024-04-06 19:04:17,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 19:04:17,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 19:04:17,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:04:17,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 82 conjunts are in the unsatisfiable core [2024-04-06 19:04:17,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:04:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 20 proven. 512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:18,923 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:04:20,821 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:04:20,822 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 [2024-04-06 19:04:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 45 proven. 487 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:23,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183981362] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:04:23,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:04:23,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 60 [2024-04-06 19:04:23,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729032526] [2024-04-06 19:04:23,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:04:23,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-06 19:04:23,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:04:23,264 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 7 times [2024-04-06 19:04:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:23,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:23,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:23,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:23,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 6 times [2024-04-06 19:04:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:23,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:23,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-06 19:04:23,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=3235, Unknown=0, NotChecked=0, Total=3660 [2024-04-06 19:04:23,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:23,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:04:23,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 4.491803278688525) internal successors, (274), 61 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:04:23,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:04:34,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:04:34,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 19:04:34,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:04:34,261 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)] === [2024-04-06 19:04:34,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:04:34,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1884454040, now seen corresponding path program 9 times [2024-04-06 19:04:34,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:04:34,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915325791] [2024-04-06 19:04:34,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:34,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:35,602 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 17 proven. 587 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:04:35,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:04:35,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915325791] [2024-04-06 19:04:35,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915325791] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:04:35,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447499922] [2024-04-06 19:04:35,603 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 19:04:35,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:04:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:04:35,606 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) [2024-04-06 19:04:35,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 19:04:35,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-04-06 19:04:35,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:04:35,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-06 19:04:35,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:04:37,625 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 26 proven. 584 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:37,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:04:40,099 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,100 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,102 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,102 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,103 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,104 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,105 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,107 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,107 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,108 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,108 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,109 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,109 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,110 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,111 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,112 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,119 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,120 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,121 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,125 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,126 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,133 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,134 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,134 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,135 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,136 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,138 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,139 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,139 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,140 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,141 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,143 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,145 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,147 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,148 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,149 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,151 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,157 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 19:04:40,502 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:04:40,503 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 [2024-04-06 19:04:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 53 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:41,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447499922] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:04:41,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:04:41,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 26, 26] total 70 [2024-04-06 19:04:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798341513] [2024-04-06 19:04:41,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:04:41,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-04-06 19:04:41,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:04:41,212 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 8 times [2024-04-06 19:04:41,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:41,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:41,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:41,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:41,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1479355556, now seen corresponding path program 7 times [2024-04-06 19:04:41,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:41,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:41,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:41,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:04:41,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-04-06 19:04:41,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=4434, Unknown=0, NotChecked=0, Total=4970 [2024-04-06 19:04:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:41,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:04:41,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 4.225352112676056) internal successors, (300), 71 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:04:41,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:04:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:57,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:04:57,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:04:57,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-06 19:04:57,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2024-04-06 19:04:57,433 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)] === [2024-04-06 19:04:57,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:04:57,434 INFO L85 PathProgramCache]: Analyzing trace with hash 2122016694, now seen corresponding path program 10 times [2024-04-06 19:04:57,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:04:57,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778580461] [2024-04-06 19:04:57,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:04:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:04:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:04:59,297 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 20 proven. 798 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:04:59,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:04:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778580461] [2024-04-06 19:04:59,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778580461] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:04:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041780454] [2024-04-06 19:04:59,298 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 19:04:59,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:04:59,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:04:59,299 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) [2024-04-06 19:04:59,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 19:04:59,382 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 19:04:59,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:04:59,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-06 19:04:59,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:05:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 40 proven. 784 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:01,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:05:05,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:05:05,930 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 [2024-04-06 19:05:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 96 proven. 728 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041780454] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:05:10,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:05:10,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2024-04-06 19:05:10,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422730318] [2024-04-06 19:05:10,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:05:10,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-06 19:05:10,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:05:10,456 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 9 times [2024-04-06 19:05:10,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:10,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:10,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:10,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:10,616 INFO L85 PathProgramCache]: Analyzing trace with hash 11423380, now seen corresponding path program 6 times [2024-04-06 19:05:10,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:10,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:10,631 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-04-06 19:05:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:10,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2024-04-06 19:05:10,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-06 19:05:10,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=4696, Unknown=0, NotChecked=0, Total=5256 [2024-04-06 19:05:10,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:05:10,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:05:10,702 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) [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:05:10,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:05:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:05:29,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:05:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:05:29,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 19:05:29,658 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,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2024-04-06 19:05:29,659 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)] === [2024-04-06 19:05:29,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:05:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash -894797860, now seen corresponding path program 11 times [2024-04-06 19:05:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:05:29,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110939825] [2024-04-06 19:05:29,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:29,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 21 proven. 893 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:05:31,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:05:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110939825] [2024-04-06 19:05:31,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110939825] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:05:31,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545170268] [2024-04-06 19:05:31,512 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 19:05:31,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:05:31,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:05:31,521 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) [2024-04-06 19:05:31,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-06 19:05:31,591 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-04-06 19:05:31,591 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:05:31,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 106 conjunts are in the unsatisfiable core [2024-04-06 19:05:31,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:05:34,487 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 41 proven. 879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:34,488 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:05:39,613 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:05:39,614 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 [2024-04-06 19:05:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 85 proven. 835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:44,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545170268] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:05:44,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:05:44,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 30, 30] total 78 [2024-04-06 19:05:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213106321] [2024-04-06 19:05:44,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:05:44,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-06 19:05:44,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:05:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 10 times [2024-04-06 19:05:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:44,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:44,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:05:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1294166967, now seen corresponding path program 7 times [2024-04-06 19:05:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-04-06 19:05:44,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:05:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:05:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:05:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-04-06 19:05:44,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-06 19:05:44,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=5539, Unknown=0, NotChecked=0, Total=6162 [2024-04-06 19:05:44,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:05:44,989 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:05:44,989 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) [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:05:44,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:05:44,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:06:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:06:06,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:06:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:06:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:06:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:06:06,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-06 19:06:06,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2024-04-06 19:06:06,855 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)] === [2024-04-06 19:06:06,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:06:06,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1493916678, now seen corresponding path program 12 times [2024-04-06 19:06:06,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:06:06,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038015407] [2024-04-06 19:06:06,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:06:06,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:06:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:06:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 24 proven. 1150 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:06:09,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:06:09,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038015407] [2024-04-06 19:06:09,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038015407] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:06:09,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337384155] [2024-04-06 19:06:09,309 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 19:06:09,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:06:09,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:06:09,310 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) [2024-04-06 19:06:09,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-06 19:06:09,388 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2024-04-06 19:06:09,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:06:09,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 136 conjunts are in the unsatisfiable core [2024-04-06 19:06:09,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:06:14,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:06:14,176 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 [2024-04-06 19:06:14,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 44 proven. 1136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:06:14,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:06:20,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:06:20,323 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 [2024-04-06 19:06:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 139 proven. 1041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:06:27,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337384155] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:06:27,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:06:27,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 41, 32] total 93 [2024-04-06 19:06:27,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521265063] [2024-04-06 19:06:27,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:06:27,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-06 19:06:27,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:06:27,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1987112843, now seen corresponding path program 8 times [2024-04-06 19:06:27,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:06:27,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:06:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:06:27,639 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-04-06 19:06:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:06:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:06:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:06:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-04-06 19:06:27,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-06 19:06:27,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=829, Invalid=7913, Unknown=0, NotChecked=0, Total=8742 [2024-04-06 19:06:27,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:06:27,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:06:27,742 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) [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:06:27,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:06:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:06:50,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:06:50,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-06 19:06:50,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:06:50,884 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)] === [2024-04-06 19:06:50,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:06:50,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1068749896, now seen corresponding path program 13 times [2024-04-06 19:06:50,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:06:50,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315352209] [2024-04-06 19:06:50,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:06:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:06:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:06:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 27 proven. 1438 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-06 19:06:54,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:06:54,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315352209] [2024-04-06 19:06:54,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315352209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:06:54,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735066884] [2024-04-06 19:06:54,184 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 19:06:54,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:06:54,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:06:54,185 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) [2024-04-06 19:06:54,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-06 19:06:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:06:54,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-06 19:06:54,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:06:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 47 proven. 1424 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 19:06:58,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:07:05,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:07:05,338 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 [2024-04-06 19:07:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 204 proven. 1267 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 19:07:14,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735066884] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:07:14,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:07:14,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 90 [2024-04-06 19:07:14,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729912071] [2024-04-06 19:07:14,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:07:14,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-06 19:07:14,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:07:14,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1987367059, now seen corresponding path program 9 times [2024-04-06 19:07:14,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:07:14,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:07:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:07:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-04-06 19:07:14,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:07:14,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:07:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:07:14,207 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2024-04-06 19:07:14,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-06 19:07:14,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=799, Invalid=7391, Unknown=0, NotChecked=0, Total=8190 [2024-04-06 19:07:14,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:07:14,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:07:14,265 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) [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:07:14,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:07:47,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:07:47,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:07:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:07:47,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-06 19:07:47,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68 [2024-04-06 19:07:47,676 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)] === [2024-04-06 19:07:47,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:07:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 366566974, now seen corresponding path program 14 times [2024-04-06 19:07:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:07:47,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404332684] [2024-04-06 19:07:47,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:07:47,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:07:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:07:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 28 proven. 1566 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:07:51,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:07:51,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404332684] [2024-04-06 19:07:51,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404332684] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:07:51,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643763179] [2024-04-06 19:07:51,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 19:07:51,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:07:51,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:07:51,625 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) [2024-04-06 19:07:51,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-06 19:07:51,698 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 19:07:51,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:07:51,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 130 conjunts are in the unsatisfiable core [2024-04-06 19:07:51,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:07:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 48 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:07:57,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:08:06,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:08:06,312 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 [2024-04-06 19:08:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 190 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:08:15,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643763179] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:08:15,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:08:15,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 96 [2024-04-06 19:08:15,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656346682] [2024-04-06 19:08:15,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:08:15,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-04-06 19:08:15,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:08:15,384 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 11 times [2024-04-06 19:08:15,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:08:15,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:08:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:08:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:08:15,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:08:15,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:08:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:08:15,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:08:15,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1599876836, now seen corresponding path program 10 times [2024-04-06 19:08:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:08:15,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:08:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:08:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 927 trivial. 0 not checked. [2024-04-06 19:08:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:08:15,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:08:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:08:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 927 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 927 trivial. 0 not checked. [2024-04-06 19:08:15,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-04-06 19:08:15,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=929, Invalid=8383, Unknown=0, NotChecked=0, Total=9312 [2024-04-06 19:08:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:08:15,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:08:15,635 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) [2024-04-06 19:08:15,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:08:15,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:08:15,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:08:15,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:08:15,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:08:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:08:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:08:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:08:57,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-06 19:08:58,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-04-06 19:08:58,105 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)] === [2024-04-06 19:08:58,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:08:58,106 INFO L85 PathProgramCache]: Analyzing trace with hash -7903132, now seen corresponding path program 15 times [2024-04-06 19:08:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:08:58,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916963689] [2024-04-06 19:08:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:08:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:08:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:09:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 29 proven. 1697 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:09:02,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:09:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916963689] [2024-04-06 19:09:02,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916963689] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:09:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864015954] [2024-04-06 19:09:02,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 19:09:02,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:09:02,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:09:02,004 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) [2024-04-06 19:09:02,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-06 19:09:02,091 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-04-06 19:09:02,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:09:02,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 138 conjunts are in the unsatisfiable core [2024-04-06 19:09:02,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:09:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 20 proven. 1712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:09:08,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:09:18,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:09:18,878 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 [2024-04-06 19:09:30,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 144 proven. 1588 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:09:30,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864015954] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:09:30,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:09:30,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 38] total 102 [2024-04-06 19:09:30,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137551598] [2024-04-06 19:09:30,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:09:30,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-04-06 19:09:30,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:09:30,879 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 12 times [2024-04-06 19:09:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:09:30,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:09:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:09:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:09:30,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:09:30,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:09:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:09:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:09:30,997 INFO L85 PathProgramCache]: Analyzing trace with hash 436496959, now seen corresponding path program 11 times [2024-04-06 19:09:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:09:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:09:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:09:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-04-06 19:09:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:09:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:09:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:09:31,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2024-04-06 19:09:31,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-04-06 19:09:31,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=9548, Unknown=0, NotChecked=0, Total=10506 [2024-04-06 19:09:31,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:09:31,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:09:31,187 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) [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:09:31,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:10:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:10:21,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:10:21,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 19:10:21,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-06 19:10:21,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,SelfDestructingSolverStorable77,SelfDestructingSolverStorable78 [2024-04-06 19:10:21,446 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)] === [2024-04-06 19:10:21,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:10:21,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1783797378, now seen corresponding path program 16 times [2024-04-06 19:10:21,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:10:21,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048686078] [2024-04-06 19:10:21,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:10:21,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:10:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:10:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 32 proven. 2046 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:10:26,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:10:26,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048686078] [2024-04-06 19:10:26,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048686078] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:10:26,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403985332] [2024-04-06 19:10:26,565 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 19:10:26,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:10:26,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:10:26,567 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) [2024-04-06 19:10:26,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-06 19:10:26,644 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 19:10:26,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:10:26,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 146 conjunts are in the unsatisfiable core [2024-04-06 19:10:26,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:10:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 52 proven. 2032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:10:34,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:10:44,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:10:44,500 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 [2024-04-06 19:11:04,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 249 proven. 1835 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:11:04,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403985332] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:11:04,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:11:04,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 108 [2024-04-06 19:11:04,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680081970] [2024-04-06 19:11:04,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:11:04,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2024-04-06 19:11:04,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:11:04,403 INFO L85 PathProgramCache]: Analyzing trace with hash 309173490, now seen corresponding path program 12 times [2024-04-06 19:11:04,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:11:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:11:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:11:04,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-04-06 19:11:04,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:11:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:11:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:11:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-04-06 19:11:04,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2024-04-06 19:11:04,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=10694, Unknown=0, NotChecked=0, Total=11772 [2024-04-06 19:11:04,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:11:04,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:11:04,504 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) [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:11:04,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-04-06 19:11:04,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:12:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 19:12:08,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-04-06 19:12:08,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-04-06 19:12:09,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable79,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:12:09,094 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)] === [2024-04-06 19:12:09,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:12:09,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1084334680, now seen corresponding path program 17 times [2024-04-06 19:12:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:12:09,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363048090] [2024-04-06 19:12:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:12:09,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:12:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:12:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 33 proven. 2195 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-06 19:12:14,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 19:12:14,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363048090] [2024-04-06 19:12:14,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363048090] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 19:12:14,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793610933] [2024-04-06 19:12:14,646 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 19:12:14,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 19:12:14,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 19:12:14,647 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) [2024-04-06 19:12:14,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-06 19:12:14,747 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2024-04-06 19:12:14,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 19:12:14,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 154 conjunts are in the unsatisfiable core [2024-04-06 19:12:14,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 19:12:23,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 53 proven. 2181 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:12:23,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 19:12:36,878 WARN L293 SmtUtils]: Spent 5.34s 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) [2024-04-06 19:12:36,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 19:12:36,899 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 [2024-04-06 19:12:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2234 backedges. 229 proven. 2005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:12:57,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793610933] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 19:12:57,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 19:12:57,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 42, 42] total 114 [2024-04-06 19:12:57,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579213978] [2024-04-06 19:12:57,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 19:12:57,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-06 19:12:57,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 19:12:57,849 INFO L85 PathProgramCache]: Analyzing trace with hash 463363141, now seen corresponding path program 13 times [2024-04-06 19:12:57,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:12:57,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:12:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:12:57,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:12:57,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:12:57,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:12:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:12:57,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 19:12:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1212634582, now seen corresponding path program 13 times [2024-04-06 19:12:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:12:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:12:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:12:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2024-04-06 19:12:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:12:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:12:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 19:12:58,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1340 trivial. 0 not checked. [2024-04-06 19:12:58,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-06 19:12:58,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1154, Invalid=11956, Unknown=0, NotChecked=0, Total=13110 [2024-04-06 19:12:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:12:58,128 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 19:12:58,128 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) [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:12:58,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2024-04-06 19:12:58,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 19:14:11,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2024-04-06 19:14:11,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2024-04-06 19:14:11,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 323 states. [2024-04-06 19:14:11,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-04-06 19:14:11,656 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,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86 [2024-04-06 19:14:11,656 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)] === [2024-04-06 19:14:11,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 19:14:11,657 INFO L85 PathProgramCache]: Analyzing trace with hash -150385466, now seen corresponding path program 18 times [2024-04-06 19:14:11,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 19:14:11,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288716001] [2024-04-06 19:14:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 19:14:11,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 19:14:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat