/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 DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 12:14:23,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 12:14:23,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 12:14:23,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 12:14:23,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 12:14:23,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 12:14:23,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 12:14:23,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 12:14:23,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 12:14:23,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 12:14:23,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 12:14:23,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 12:14:23,347 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 12:14:23,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 12:14:23,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 12:14:23,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 12:14:23,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 12:14:23,349 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 12:14:23,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 12:14:23,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 12:14:23,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 12:14:23,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 12:14:23,351 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 12:14:23,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 12:14:23,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 12:14:23,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 12:14:23,352 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 12:14:23,352 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 12:14:23,352 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 12:14:23,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 12:14:23,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 12:14:23,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 12:14:23,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 12:14:23,354 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 12:14:23,354 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 12:14:23,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 12:14:23,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 12:14:23,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 12:14:23,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 12:14:23,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-06 12:14:23,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 12:14:23,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 12:14:23,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 12:14:23,658 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 12:14:23,659 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 12:14:23,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl [2024-04-06 12:14:23,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/horseshoe.wvr.bpl' [2024-04-06 12:14:23,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 12:14:23,692 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 12:14:23,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 12:14:23,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 12:14:23,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 12:14:23,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,754 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 12:14:23,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 12:14:23,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 12:14:23,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 12:14:23,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 12:14:23,770 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 12:14:23,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 12:14:23,798 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 12:14:23,798 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 12:14:23,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/1) ... [2024-04-06 12:14:23,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 12:14:23,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:23,832 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 12:14:23,848 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 12:14:23,887 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 12:14:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 12:14:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 12:14:23,889 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 12:14:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 12:14:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 12:14:23,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 12:14:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 12:14:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 12:14:23,890 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 12:14:23,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 12:14:23,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 12:14:23,891 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 12:14:23,953 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 12:14:23,955 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 12:14:24,086 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 12:14:24,114 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 12:14:24,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 12:14:24,115 INFO L201 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:14:24 BoogieIcfgContainer [2024-04-06 12:14:24,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 12:14:24,118 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 12:14:24,118 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 12:14:24,123 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 12:14:24,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 12:14:23" (1/2) ... [2024-04-06 12:14:24,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458449e0 and model type horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 12:14:24, skipping insertion in model container [2024-04-06 12:14:24,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:14:24" (2/2) ... [2024-04-06 12:14:24,126 INFO L112 eAbstractionObserver]: Analyzing ICFG horseshoe.wvr.bpl [2024-04-06 12:14:24,137 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 12:14:24,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 12:14:24,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 12:14:24,145 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 12:14:24,195 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 12:14:24,236 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 12:14:24,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 12:14:24,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:24,240 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 12:14:24,242 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 12:14:24,279 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 12:14:24,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:24,291 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 12:14:24,298 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;@78b6014c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-06 12:14:24,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 12:14:24,331 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 12:14:24,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:24,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1455907367, now seen corresponding path program 1 times [2024-04-06 12:14:24,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:24,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127258391] [2024-04-06 12:14:24,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:24,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:24,473 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 12:14:24,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:24,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127258391] [2024-04-06 12:14:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127258391] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 12:14:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 12:14:24,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 12:14:24,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454558730] [2024-04-06 12:14:24,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 12:14:24,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 12:14:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:24,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 12:14:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 12:14:24,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:24,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:24,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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 12:14:24,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:24,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 12:14:24,625 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 12:14:24,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:24,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1468651047, now seen corresponding path program 1 times [2024-04-06 12:14:24,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:24,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580639344] [2024-04-06 12:14:24,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:24,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:24,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:24,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:24,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580639344] [2024-04-06 12:14:24,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580639344] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 12:14:24,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 12:14:24,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 12:14:24,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497757311] [2024-04-06 12:14:24,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 12:14:24,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 12:14:24,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:24,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 12:14:24,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 12:14:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:24,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:24,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 12:14:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:24,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:24,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:24,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 12:14:24,807 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 12:14:24,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:24,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1253436998, now seen corresponding path program 1 times [2024-04-06 12:14:24,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:24,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154056624] [2024-04-06 12:14:24,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:24,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:25,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:25,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154056624] [2024-04-06 12:14:25,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154056624] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:25,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613111287] [2024-04-06 12:14:25,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:25,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:25,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:25,301 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 12:14:25,349 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 12:14:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:25,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-06 12:14:25,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:25,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:14:25,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2024-04-06 12:14:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:26,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:14:26,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:26,192 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 23 treesize of output 27 [2024-04-06 12:14:26,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:26,372 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 45 treesize of output 43 [2024-04-06 12:14:26,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:26,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613111287] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:14:26,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:14:26,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 25 [2024-04-06 12:14:26,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48223301] [2024-04-06 12:14:26,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:14:26,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-06 12:14:26,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:26,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-06 12:14:26,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2024-04-06 12:14:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:26,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:26,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.576923076923077) internal successors, (67), 25 states have internal predecessors, (67), 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 12:14:26,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:26,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:26,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 12:14:26,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 12:14:27,041 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,SelfDestructingSolverStorable2 [2024-04-06 12:14:27,042 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 12:14:27,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash 495895043, now seen corresponding path program 2 times [2024-04-06 12:14:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898937392] [2024-04-06 12:14:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:27,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898937392] [2024-04-06 12:14:27,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898937392] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335984493] [2024-04-06 12:14:27,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:14:27,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:27,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:27,152 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 12:14:27,163 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 12:14:27,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:14:27,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:14:27,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 12:14:27,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 12:14:27,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 12:14:27,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335984493] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 12:14:27,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 12:14:27,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-06 12:14:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117281524] [2024-04-06 12:14:27,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 12:14:27,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 12:14:27,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:27,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 12:14:27,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 12:14:27,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:27,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:27,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 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 12:14:27,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:27,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:27,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 12:14:27,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 12:14:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:27,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 12:14:28,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:28,005 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 12:14:28,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash 406208414, now seen corresponding path program 1 times [2024-04-06 12:14:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:28,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244375400] [2024-04-06 12:14:28,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:28,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:28,140 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 12:14:28,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:28,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244375400] [2024-04-06 12:14:28,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244375400] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:28,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193318600] [2024-04-06 12:14:28,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:28,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:28,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:28,142 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 12:14:28,167 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 12:14:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:28,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 12:14:28,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:28,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:14:28,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:14:28,277 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 12:14:28,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:14:28,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:28,317 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 13 treesize of output 17 [2024-04-06 12:14:28,350 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:28,350 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 15 treesize of output 19 [2024-04-06 12:14:28,370 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 12:14:28,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193318600] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:14:28,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:14:28,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 10 [2024-04-06 12:14:28,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412216629] [2024-04-06 12:14:28,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:14:28,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-06 12:14:28,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:28,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-06 12:14:28,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-04-06 12:14:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:28,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:28,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 states have internal predecessors, (40), 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 12:14:28,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:28,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:28,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 12:14:28,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:28,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:28,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 12:14:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:28,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:14:28,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 12:14:28,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:28,776 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 12:14:28,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:28,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1550662595, now seen corresponding path program 2 times [2024-04-06 12:14:28,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:28,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735656238] [2024-04-06 12:14:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:28,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:29,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:29,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735656238] [2024-04-06 12:14:29,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735656238] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:29,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208019094] [2024-04-06 12:14:29,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:14:29,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:29,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:29,545 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 12:14:29,565 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 12:14:29,593 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:14:29,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:14:29,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 43 conjunts are in the unsatisfiable core [2024-04-06 12:14:29,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:30,243 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:30,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2024-04-06 12:14:30,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:30,666 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 50 treesize of output 30 [2024-04-06 12:14:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:30,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:14:31,716 INFO L349 Elim1Store]: treesize reduction 5, result has 86.5 percent of original size [2024-04-06 12:14:31,717 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 60 treesize of output 69 [2024-04-06 12:14:32,157 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:32,157 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 74 treesize of output 82 [2024-04-06 12:14:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:32,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208019094] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:14:32,358 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:14:32,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 51 [2024-04-06 12:14:32,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831204002] [2024-04-06 12:14:32,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:14:32,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-06 12:14:32,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:32,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-06 12:14:32,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2428, Unknown=0, NotChecked=0, Total=2652 [2024-04-06 12:14:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:32,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:32,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.9807692307692308) internal successors, (103), 51 states have internal predecessors, (103), 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 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:14:32,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:41,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:14:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:14:41,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2024-04-06 12:14:41,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 12:14:41,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-06 12:14:41,279 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 12:14:41,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:41,280 INFO L85 PathProgramCache]: Analyzing trace with hash -747295083, now seen corresponding path program 3 times [2024-04-06 12:14:41,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:41,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394758134] [2024-04-06 12:14:41,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:41,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 12:14:41,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:41,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394758134] [2024-04-06 12:14:41,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394758134] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:41,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076866624] [2024-04-06 12:14:41,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 12:14:41,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:41,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:41,608 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 12:14:41,611 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 12:14:41,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 12:14:41,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:14:41,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-06 12:14:41,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:41,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:14:41,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:14:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 12:14:41,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:14:41,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:41,923 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 13 treesize of output 17 [2024-04-06 12:14:42,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:42,013 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 15 treesize of output 19 [2024-04-06 12:14:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 12:14:42,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076866624] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:14:42,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:14:42,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 23 [2024-04-06 12:14:42,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140659952] [2024-04-06 12:14:42,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:14:42,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 12:14:42,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:14:42,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 12:14:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2024-04-06 12:14:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:42,235 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:14:42,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 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 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2024-04-06 12:14:42,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:14:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:14:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:14:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:14:48,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:14:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:14:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 12:14:48,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 12:14:48,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:48,750 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 12:14:48,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:14:48,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1416698078, now seen corresponding path program 4 times [2024-04-06 12:14:48,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:14:48,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181126242] [2024-04-06 12:14:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:14:48,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:14:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:14:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-06 12:14:50,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:14:50,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181126242] [2024-04-06 12:14:50,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181126242] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:14:50,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897048904] [2024-04-06 12:14:50,693 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 12:14:50,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:14:50,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:14:50,695 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 12:14:50,700 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 12:14:50,743 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 12:14:50,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:14:50,745 WARN L260 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 101 conjunts are in the unsatisfiable core [2024-04-06 12:14:50,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:14:54,051 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:54,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 24 [2024-04-06 12:14:54,413 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:14:54,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 73 treesize of output 43 [2024-04-06 12:14:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:14:54,666 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:14:58,599 INFO L349 Elim1Store]: treesize reduction 5, result has 97.9 percent of original size [2024-04-06 12:14:58,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 198 treesize of output 357 [2024-04-06 12:15:08,098 INFO L349 Elim1Store]: treesize reduction 75, result has 68.9 percent of original size [2024-04-06 12:15:08,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 248 treesize of output 323 [2024-04-06 12:15:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:15:09,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897048904] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:15:09,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:15:09,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 36, 36] total 91 [2024-04-06 12:15:09,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092568785] [2024-04-06 12:15:09,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:15:09,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2024-04-06 12:15:09,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:15:09,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2024-04-06 12:15:09,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=7776, Unknown=0, NotChecked=0, Total=8372 [2024-04-06 12:15:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:15:09,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:15:09,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.0) internal successors, (184), 91 states have internal predecessors, (184), 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 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 12:15:09,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:16:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2024-04-06 12:16:24,677 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 12:16:24,870 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,SelfDestructingSolverStorable7 [2024-04-06 12:16:24,870 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 12:16:24,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:16:24,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1028325497, now seen corresponding path program 5 times [2024-04-06 12:16:24,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:16:24,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366780256] [2024-04-06 12:16:24,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:16:24,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:16:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:16:28,854 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 18 proven. 257 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-04-06 12:16:28,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:16:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366780256] [2024-04-06 12:16:28,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366780256] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:16:28,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79595293] [2024-04-06 12:16:28,854 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 12:16:28,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:16:28,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:16:28,855 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 12:16:28,857 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 12:16:28,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-06 12:16:28,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:16:28,940 WARN L260 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 167 conjunts are in the unsatisfiable core [2024-04-06 12:16:28,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:16:35,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:16:35,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 69 treesize of output 33 [2024-04-06 12:16:36,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:16:36,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 80 treesize of output 44 [2024-04-06 12:16:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:16:36,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:16:48,864 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,867 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,872 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,872 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,873 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,880 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,881 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,883 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,885 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,894 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,896 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,897 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,898 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:48,899 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:16:49,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:16:49,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 230 treesize of output 486 [2024-04-06 12:17:04,759 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,761 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,762 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,763 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,765 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,766 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,771 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,775 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,775 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,776 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,778 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,782 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,785 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,786 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,788 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,789 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 12:17:04,988 INFO L349 Elim1Store]: treesize reduction 180, result has 47.8 percent of original size [2024-04-06 12:17:04,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 84 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 36 case distinctions, treesize of input 457 treesize of output 443 [2024-04-06 12:17:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 12:17:07,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79595293] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:17:07,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:17:07,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 58, 58] total 149 [2024-04-06 12:17:07,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980279958] [2024-04-06 12:17:07,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:17:07,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 150 states [2024-04-06 12:17:07,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:17:07,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2024-04-06 12:17:07,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1832, Invalid=20518, Unknown=0, NotChecked=0, Total=22350 [2024-04-06 12:17:07,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:17:07,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:17:07,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 150 states, 150 states have (on average 1.84) internal successors, (276), 149 states have internal predecessors, (276), 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 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2024-04-06 12:17:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:20:17,953 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification. DAG size of input: 350 DAG size of output: 344 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 12:20:34,739 WARN L293 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 347 DAG size of output: 341 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 12:20:40,302 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 350 DAG size of output: 344 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 367 states. [2024-04-06 12:21:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 12:21:47,634 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 12:21:47,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:21:47,830 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 12:21:47,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:21:47,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1746589102, now seen corresponding path program 6 times [2024-04-06 12:21:47,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:21:47,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436590025] [2024-04-06 12:21:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:21:47,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:21:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:21:48,379 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 96 proven. 314 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:21:48,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:21:48,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436590025] [2024-04-06 12:21:48,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436590025] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:21:48,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321567796] [2024-04-06 12:21:48,380 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 12:21:48,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:21:48,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:21:48,381 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 12:21:48,383 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 12:21:48,490 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-04-06 12:21:48,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:21:48,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 46 conjunts are in the unsatisfiable core [2024-04-06 12:21:48,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:21:48,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:21:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 11 proven. 248 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:48,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:21:48,743 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:21:48,743 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 13 treesize of output 12 [2024-04-06 12:21:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 11 proven. 248 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:48,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321567796] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:21:48,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:21:48,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 14 [2024-04-06 12:21:48,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485401427] [2024-04-06 12:21:48,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:21:48,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 12:21:48,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:21:49,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 12:21:49,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-04-06 12:21:49,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:21:49,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:21:49,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 14 states have internal predecessors, (88), 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 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:49,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 367 states. [2024-04-06 12:21:49,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 12:21:49,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 367 states. [2024-04-06 12:21:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 12:21:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:21:50,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 12:21:50,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-06 12:21:50,558 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 12:21:50,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:21:50,559 INFO L85 PathProgramCache]: Analyzing trace with hash -752258852, now seen corresponding path program 7 times [2024-04-06 12:21:50,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:21:50,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632328390] [2024-04-06 12:21:50,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:21:50,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:21:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:21:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 85 proven. 381 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:21:51,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:21:51,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632328390] [2024-04-06 12:21:51,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632328390] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:21:51,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270440862] [2024-04-06 12:21:51,149 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 12:21:51,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:21:51,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:21:51,150 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 12:21:51,174 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 12:21:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:21:51,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-06 12:21:51,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:21:51,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:21:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:51,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:21:51,509 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:21:51,509 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 13 treesize of output 12 [2024-04-06 12:21:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:51,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270440862] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:21:51,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:21:51,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 17 [2024-04-06 12:21:51,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946930942] [2024-04-06 12:21:51,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:21:51,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-06 12:21:51,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:21:52,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-06 12:21:52,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-04-06 12:21:52,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:21:52,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:21:52,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.722222222222222) internal successors, (103), 17 states have internal predecessors, (103), 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 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 367 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:21:52,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:21:55,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:21:55,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-06 12:21:55,364 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,SelfDestructingSolverStorable10 [2024-04-06 12:21:55,364 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 12:21:55,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:21:55,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1967883806, now seen corresponding path program 8 times [2024-04-06 12:21:55,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:21:55,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490912395] [2024-04-06 12:21:55,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:21:55,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:21:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:21:55,936 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 85 proven. 479 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:21:55,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:21:55,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490912395] [2024-04-06 12:21:55,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490912395] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:21:55,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850970731] [2024-04-06 12:21:55,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:21:55,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:21:55,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:21:55,938 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 12:21:55,940 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 12:21:56,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:21:56,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:21:56,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-06 12:21:56,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:21:56,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:21:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:56,208 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:21:56,323 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:21:56,324 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 13 treesize of output 12 [2024-04-06 12:21:56,464 INFO L134 CoverageAnalysis]: Checked inductivity of 881 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:21:56,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850970731] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:21:56,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:21:56,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 20 [2024-04-06 12:21:56,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990494748] [2024-04-06 12:21:56,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:21:56,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 12:21:56,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:21:57,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 12:21:57,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2024-04-06 12:21:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:21:57,211 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:21:57,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.619047619047619) internal successors, (118), 20 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 12:21:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:57,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:21:57,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:03,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:03,088 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 12:22:03,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:03,284 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 12:22:03,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:03,284 INFO L85 PathProgramCache]: Analyzing trace with hash 232887452, now seen corresponding path program 9 times [2024-04-06 12:22:03,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:03,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987518017] [2024-04-06 12:22:03,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:03,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 85 proven. 585 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:03,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987518017] [2024-04-06 12:22:03,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987518017] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834476471] [2024-04-06 12:22:03,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 12:22:03,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:03,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:03,912 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 12:22:03,913 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 12:22:03,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-04-06 12:22:03,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:04,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-06 12:22:04,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:04,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:04,179 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 0 proven. 519 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:04,179 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:04,294 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:04,295 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 13 treesize of output 12 [2024-04-06 12:22:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 0 proven. 519 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:04,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834476471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:04,426 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:04,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 23 [2024-04-06 12:22:04,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652028428] [2024-04-06 12:22:04,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:04,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 12:22:04,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:05,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 12:22:05,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2024-04-06 12:22:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:05,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:05,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.458333333333333) internal successors, (131), 23 states have internal predecessors, (131), 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 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:05,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:05,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:05,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:05,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 12:22:06,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-06 12:22:06,037 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 12:22:06,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:06,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1815638494, now seen corresponding path program 10 times [2024-04-06 12:22:06,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:06,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939573922] [2024-04-06 12:22:06,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:06,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 85 proven. 699 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:06,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:06,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939573922] [2024-04-06 12:22:06,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939573922] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:06,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352226747] [2024-04-06 12:22:06,760 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 12:22:06,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:06,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:06,761 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 12:22:06,789 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 12:22:06,853 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 12:22:06,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:06,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-06 12:22:06,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:07,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:07,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:07,251 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:07,252 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 13 treesize of output 12 [2024-04-06 12:22:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 0 proven. 633 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352226747] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:07,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:07,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 15] total 26 [2024-04-06 12:22:07,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827101007] [2024-04-06 12:22:07,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:07,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-06 12:22:07,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:08,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-06 12:22:08,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=633, Unknown=0, NotChecked=0, Total=702 [2024-04-06 12:22:08,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:08,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:08,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.333333333333333) internal successors, (144), 26 states have internal predecessors, (144), 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 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:08,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:08,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:08,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:08,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:08,847 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 12:22:09,047 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,SelfDestructingSolverStorable13 [2024-04-06 12:22:09,047 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 12:22:09,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:09,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1299974236, now seen corresponding path program 11 times [2024-04-06 12:22:09,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:09,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796552221] [2024-04-06 12:22:09,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:09,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:09,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 85 proven. 821 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:09,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:09,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796552221] [2024-04-06 12:22:09,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796552221] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:09,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392780675] [2024-04-06 12:22:09,832 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 12:22:09,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:09,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:09,833 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 12:22:09,861 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 12:22:09,961 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-04-06 12:22:09,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:09,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-06 12:22:09,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:10,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-06 12:22:10,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:10,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 252 proven. 439 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-04-06 12:22:10,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:10,681 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:10,682 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 13 treesize of output 17 [2024-04-06 12:22:10,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:10,765 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 17 treesize of output 21 [2024-04-06 12:22:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1223 backedges. 252 proven. 439 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-04-06 12:22:11,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392780675] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:11,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:11,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 11, 11] total 31 [2024-04-06 12:22:11,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755193727] [2024-04-06 12:22:11,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:11,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-06 12:22:11,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:11,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-06 12:22:11,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=910, Unknown=0, NotChecked=0, Total=992 [2024-04-06 12:22:11,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:11,267 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:11,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 5.09375) internal successors, (163), 31 states have internal predecessors, (163), 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 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:11,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:14,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:14,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-06 12:22:14,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-06 12:22:14,422 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 12:22:14,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:14,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1028020802, now seen corresponding path program 12 times [2024-04-06 12:22:14,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:14,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524721210] [2024-04-06 12:22:14,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:14,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 102 proven. 1264 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:15,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:15,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524721210] [2024-04-06 12:22:15,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524721210] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:15,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108168257] [2024-04-06 12:22:15,386 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 12:22:15,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:15,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:15,388 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 12:22:15,422 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 12:22:15,515 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-04-06 12:22:15,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:15,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 70 conjunts are in the unsatisfiable core [2024-04-06 12:22:15,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:15,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 17 proven. 1198 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:15,756 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:15,984 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:15,985 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 13 treesize of output 12 [2024-04-06 12:22:16,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 17 proven. 1198 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:16,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108168257] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:16,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:16,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 19, 19] total 32 [2024-04-06 12:22:16,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740743359] [2024-04-06 12:22:16,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:16,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-06 12:22:16,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:17,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-06 12:22:17,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=973, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 12:22:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:17,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:17,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 6.424242424242424) internal successors, (212), 32 states have internal predecessors, (212), 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 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:17,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:18,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:18,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:18,216 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 12:22:18,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-06 12:22:18,416 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 12:22:18,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:18,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1726863236, now seen corresponding path program 13 times [2024-04-06 12:22:18,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:18,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130533273] [2024-04-06 12:22:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:18,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 85 proven. 1419 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:19,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:19,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130533273] [2024-04-06 12:22:19,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130533273] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:19,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165575952] [2024-04-06 12:22:19,389 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 12:22:19,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:19,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:19,390 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 12:22:19,392 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 12:22:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:19,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-06 12:22:19,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:19,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 1353 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:19,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:19,959 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:19,960 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 13 treesize of output 12 [2024-04-06 12:22:20,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1821 backedges. 0 proven. 1353 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:20,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165575952] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:20,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:20,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21, 21] total 35 [2024-04-06 12:22:20,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340199147] [2024-04-06 12:22:20,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:20,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-06 12:22:20,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:21,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-06 12:22:21,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1170, Unknown=0, NotChecked=0, Total=1260 [2024-04-06 12:22:21,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:21,196 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:21,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 6.361111111111111) internal successors, (229), 35 states have internal predecessors, (229), 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 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:21,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:22,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:22,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:22,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:22,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:22,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-06 12:22:22,647 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,SelfDestructingSolverStorable16 [2024-04-06 12:22:22,647 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 12:22:22,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:22,648 INFO L85 PathProgramCache]: Analyzing trace with hash -740919742, now seen corresponding path program 14 times [2024-04-06 12:22:22,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:22,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480319263] [2024-04-06 12:22:22,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 85 proven. 1565 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:23,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480319263] [2024-04-06 12:22:23,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480319263] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:23,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096389868] [2024-04-06 12:22:23,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:22:23,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:23,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:23,746 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 12:22:23,747 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 12:22:23,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:22:23,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:23,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-06 12:22:23,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:24,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:24,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 0 proven. 1499 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:24,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:24,498 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:24,498 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 13 treesize of output 12 [2024-04-06 12:22:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1967 backedges. 0 proven. 1499 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:24,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096389868] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:24,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:24,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 23, 23] total 38 [2024-04-06 12:22:24,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586228006] [2024-04-06 12:22:24,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:24,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-06 12:22:24,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-06 12:22:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1385, Unknown=0, NotChecked=0, Total=1482 [2024-04-06 12:22:25,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:25,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:25,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 6.256410256410256) internal successors, (244), 38 states have internal predecessors, (244), 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 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:25,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:25,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:27,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:27,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-06 12:22:27,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-06 12:22:27,441 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 12:22:27,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1062779844, now seen corresponding path program 15 times [2024-04-06 12:22:27,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:27,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084411724] [2024-04-06 12:22:27,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:27,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 85 proven. 1719 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:28,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:28,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084411724] [2024-04-06 12:22:28,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084411724] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:28,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436834981] [2024-04-06 12:22:28,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 12:22:28,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:28,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:28,647 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 12:22:28,667 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 12:22:28,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-04-06 12:22:28,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:28,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 115 conjunts are in the unsatisfiable core [2024-04-06 12:22:28,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:30,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:30,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 198 proven. 1448 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2024-04-06 12:22:30,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:30,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:30,357 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 13 treesize of output 17 [2024-04-06 12:22:31,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:31,665 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 17 treesize of output 21 [2024-04-06 12:22:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2121 backedges. 207 proven. 1430 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-04-06 12:22:33,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436834981] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:33,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:33,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 32, 29] total 86 [2024-04-06 12:22:33,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501878193] [2024-04-06 12:22:33,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:33,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 87 states [2024-04-06 12:22:33,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:33,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2024-04-06 12:22:33,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6893, Unknown=0, NotChecked=0, Total=7482 [2024-04-06 12:22:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:33,392 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:33,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 87 states, 87 states have (on average 4.712643678160919) internal successors, (410), 86 states have internal predecessors, (410), 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 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:41,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:41,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:41,964 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 12:22:42,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:42,159 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 12:22:42,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:42,160 INFO L85 PathProgramCache]: Analyzing trace with hash -396203390, now seen corresponding path program 16 times [2024-04-06 12:22:42,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:42,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010901929] [2024-04-06 12:22:42,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:42,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 106 proven. 2160 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:43,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:43,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010901929] [2024-04-06 12:22:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010901929] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:43,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459346913] [2024-04-06 12:22:43,365 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 12:22:43,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:43,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:43,366 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 12:22:43,368 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 12:22:43,484 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 12:22:43,485 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:43,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 86 conjunts are in the unsatisfiable core [2024-04-06 12:22:43,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:43,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 21 proven. 2094 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:43,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:44,155 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:44,155 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 13 treesize of output 12 [2024-04-06 12:22:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 21 proven. 2094 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:44,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459346913] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:44,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:44,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 27] total 44 [2024-04-06 12:22:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118913510] [2024-04-06 12:22:44,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:44,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-06 12:22:44,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:45,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-06 12:22:45,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1869, Unknown=0, NotChecked=0, Total=1980 [2024-04-06 12:22:45,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:45,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:45,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 6.5777777777777775) internal successors, (296), 44 states have internal predecessors, (296), 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 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:45,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:45,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:47,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:22:47,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-06 12:22:47,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:47,967 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 12:22:47,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:47,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1050075196, now seen corresponding path program 17 times [2024-04-06 12:22:47,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:47,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193670317] [2024-04-06 12:22:47,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:47,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 85 proven. 2351 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:49,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193670317] [2024-04-06 12:22:49,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193670317] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:49,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704918303] [2024-04-06 12:22:49,321 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 12:22:49,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:49,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:49,324 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 12:22:49,350 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 12:22:49,605 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-04-06 12:22:49,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:49,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 94 conjunts are in the unsatisfiable core [2024-04-06 12:22:49,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:49,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:49,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 2 proven. 2283 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:49,969 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:50,484 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:22:50,484 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 13 treesize of output 12 [2024-04-06 12:22:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 2285 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:22:50,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704918303] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:50,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:50,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 30, 29] total 50 [2024-04-06 12:22:50,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060303730] [2024-04-06 12:22:50,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:50,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-04-06 12:22:50,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:52,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-04-06 12:22:52,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2418, Unknown=0, NotChecked=0, Total=2550 [2024-04-06 12:22:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:52,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:52,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 6.529411764705882) internal successors, (333), 50 states have internal predecessors, (333), 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 12:22:52,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:52,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:52,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:52,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:52,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:22:52,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:22:54,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:22:54,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-06 12:22:55,032 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,SelfDestructingSolverStorable20 [2024-04-06 12:22:55,032 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 12:22:55,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:22:55,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1292006670, now seen corresponding path program 18 times [2024-04-06 12:22:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:22:55,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820393487] [2024-04-06 12:22:55,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:22:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:22:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:22:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 85 proven. 2599 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:22:56,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:22:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820393487] [2024-04-06 12:22:56,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820393487] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:22:56,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542979375] [2024-04-06 12:22:56,491 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 12:22:56,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:22:56,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:22:56,492 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:22:56,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-06 12:22:56,616 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-04-06 12:22:56,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:22:56,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 170 conjunts are in the unsatisfiable core [2024-04-06 12:22:56,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:22:58,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:58,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:22:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 132 proven. 2391 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-04-06 12:22:58,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:22:58,771 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:58,771 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 13 treesize of output 17 [2024-04-06 12:22:59,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:22:59,105 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 17 treesize of output 21 [2024-04-06 12:22:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3001 backedges. 132 proven. 2391 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2024-04-06 12:22:59,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542979375] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:22:59,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:22:59,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 41, 41] total 75 [2024-04-06 12:22:59,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822654911] [2024-04-06 12:22:59,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:22:59,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-04-06 12:22:59,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:22:59,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-04-06 12:22:59,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=5500, Unknown=0, NotChecked=0, Total=5700 [2024-04-06 12:22:59,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:22:59,690 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:22:59,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 5.026315789473684) internal successors, (382), 75 states have internal predecessors, (382), 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 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:22:59,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:22:59,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:22:59,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:09,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-06 12:23:09,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:09,616 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:23:09,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:23:09,616 INFO L85 PathProgramCache]: Analyzing trace with hash -833946181, now seen corresponding path program 19 times [2024-04-06 12:23:09,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:23:09,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167521578] [2024-04-06 12:23:09,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:23:09,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:23:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:11,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 109 proven. 2958 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:23:11,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:23:11,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167521578] [2024-04-06 12:23:11,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167521578] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:23:11,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838852706] [2024-04-06 12:23:11,064 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 12:23:11,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:11,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:23:11,065 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:23:11,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-06 12:23:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:11,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 98 conjunts are in the unsatisfiable core [2024-04-06 12:23:11,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:23:11,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:23:11,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 24 proven. 2892 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:11,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:23:12,133 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:23:12,133 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 13 treesize of output 12 [2024-04-06 12:23:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3384 backedges. 24 proven. 2892 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:12,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838852706] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:23:12,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:23:12,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 33, 33] total 53 [2024-04-06 12:23:12,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178363206] [2024-04-06 12:23:12,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:23:12,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-06 12:23:12,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:23:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-06 12:23:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2730, Unknown=0, NotChecked=0, Total=2862 [2024-04-06 12:23:14,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:14,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:23:14,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 6.648148148148148) internal successors, (359), 53 states have internal predecessors, (359), 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 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:14,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:14,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:17,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:17,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-06 12:23:17,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-06 12:23:17,461 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:23:17,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:23:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1640554659, now seen corresponding path program 20 times [2024-04-06 12:23:17,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:23:17,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247429454] [2024-04-06 12:23:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:23:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:23:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 85 proven. 3176 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:23:19,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:23:19,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247429454] [2024-04-06 12:23:19,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247429454] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:23:19,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211780145] [2024-04-06 12:23:19,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:23:19,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:19,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:23:19,157 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:23:19,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-06 12:23:19,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:23:19,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:23:19,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 102 conjunts are in the unsatisfiable core [2024-04-06 12:23:19,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:23:19,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:23:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 0 proven. 3110 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:19,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:23:20,226 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:23:20,226 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 13 treesize of output 12 [2024-04-06 12:23:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3578 backedges. 0 proven. 3110 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:20,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211780145] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:23:20,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:23:20,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 35, 35] total 56 [2024-04-06 12:23:20,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523776206] [2024-04-06 12:23:20,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:23:20,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-04-06 12:23:20,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:23:22,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-04-06 12:23:22,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=3053, Unknown=0, NotChecked=0, Total=3192 [2024-04-06 12:23:22,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:22,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:23:22,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 6.5964912280701755) internal successors, (376), 56 states have internal predecessors, (376), 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 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:22,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:22,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:25,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:23:25,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-06 12:23:25,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-06 12:23:25,836 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:23:25,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:23:25,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1789208965, now seen corresponding path program 21 times [2024-04-06 12:23:25,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:23:25,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663037237] [2024-04-06 12:23:25,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:23:25,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:23:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 85 proven. 3378 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:23:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:23:27,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663037237] [2024-04-06 12:23:27,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663037237] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:23:27,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765204549] [2024-04-06 12:23:27,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 12:23:27,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:27,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:23:27,586 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:23:27,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-06 12:23:27,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2024-04-06 12:23:27,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:23:27,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 198 conjunts are in the unsatisfiable core [2024-04-06 12:23:27,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:23:30,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-06 12:23:30,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:23:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 150 proven. 3158 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-04-06 12:23:30,498 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:23:30,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:23:30,604 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 13 treesize of output 17 [2024-04-06 12:23:30,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:23:30,938 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 17 treesize of output 21 [2024-04-06 12:23:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3780 backedges. 150 proven. 3158 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-04-06 12:23:31,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765204549] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:23:31,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:23:31,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 50, 50] total 90 [2024-04-06 12:23:31,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335980410] [2024-04-06 12:23:31,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:23:31,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-06 12:23:31,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:23:31,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-06 12:23:31,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=7951, Unknown=0, NotChecked=0, Total=8190 [2024-04-06 12:23:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:31,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:23:31,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.956043956043956) internal successors, (451), 90 states have internal predecessors, (451), 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 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:31,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:23:31,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:45,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:23:45,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:23:45,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-06 12:23:45,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:45,882 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:23:45,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:23:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1363453666, now seen corresponding path program 22 times [2024-04-06 12:23:45,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:23:45,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633934977] [2024-04-06 12:23:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:23:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:23:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 112 proven. 3864 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:23:47,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:23:47,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633934977] [2024-04-06 12:23:47,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633934977] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:23:47,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411316747] [2024-04-06 12:23:47,587 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 12:23:47,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:47,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:23:47,588 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:23:47,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-06 12:23:47,729 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 12:23:47,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:23:47,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 110 conjunts are in the unsatisfiable core [2024-04-06 12:23:47,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:23:48,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:23:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 27 proven. 3798 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:48,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:23:48,916 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:23:48,917 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 13 treesize of output 12 [2024-04-06 12:23:49,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4293 backedges. 27 proven. 3798 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:23:49,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411316747] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:23:49,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:23:49,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 39, 39] total 62 [2024-04-06 12:23:49,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582067645] [2024-04-06 12:23:49,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:23:49,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-06 12:23:49,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:23:51,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-06 12:23:51,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=3753, Unknown=0, NotChecked=0, Total=3906 [2024-04-06 12:23:51,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:51,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:23:51,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.698412698412699) internal successors, (422), 62 states have internal predecessors, (422), 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 12:23:51,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:23:51,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:23:55,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:23:55,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:23:55,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-06 12:23:55,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-06 12:23:55,685 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:23:55,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:23:55,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1332457508, now seen corresponding path program 23 times [2024-04-06 12:23:55,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:23:55,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011469706] [2024-04-06 12:23:55,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:23:55,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:23:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:23:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 85 proven. 4109 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:23:57,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:23:57,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011469706] [2024-04-06 12:23:57,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011469706] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:23:57,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565671796] [2024-04-06 12:23:57,572 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 12:23:57,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:23:57,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:23:57,574 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:23:57,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-06 12:23:57,795 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2024-04-06 12:23:57,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:23:57,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 196 conjunts are in the unsatisfiable core [2024-04-06 12:23:57,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:24:02,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:24:02,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 28 proven. 4015 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:24:02,287 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:24:02,411 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:24:02,411 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 13 treesize of output 17 [2024-04-06 12:24:06,264 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:24:06,264 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 38 treesize of output 54 [2024-04-06 12:24:08,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 73 proven. 3970 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:24:08,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565671796] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:24:08,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:24:08,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 60, 60] total 159 [2024-04-06 12:24:08,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907262088] [2024-04-06 12:24:08,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:24:08,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2024-04-06 12:24:08,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:24:08,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2024-04-06 12:24:08,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=24482, Unknown=0, NotChecked=0, Total=25440 [2024-04-06 12:24:08,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:24:08,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:24:08,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 4.6125) internal successors, (738), 159 states have internal predecessors, (738), 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 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:24:08,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:24:08,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:24:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:24:33,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:24:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:24:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:24:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:24:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:24:33,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-06 12:24:33,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-06 12:24:33,876 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:24:33,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:24:33,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1992895234, now seen corresponding path program 24 times [2024-04-06 12:24:33,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:24:33,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223804258] [2024-04-06 12:24:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:24:33,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:24:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:24:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 114 proven. 4528 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:24:35,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:24:35,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223804258] [2024-04-06 12:24:35,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223804258] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:24:35,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462772184] [2024-04-06 12:24:35,881 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 12:24:35,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:24:35,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:24:35,882 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:24:35,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-06 12:24:36,066 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-04-06 12:24:36,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:24:36,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 236 conjunts are in the unsatisfiable core [2024-04-06 12:24:36,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:24:39,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:24:39,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:24:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 0 proven. 4491 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:24:40,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:24:40,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:24:40,156 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 13 treesize of output 17 [2024-04-06 12:24:40,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:24:40,576 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 17 treesize of output 21 [2024-04-06 12:24:40,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4959 backedges. 0 proven. 4491 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:24:40,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462772184] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:24:40,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:24:40,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 65, 65] total 111 [2024-04-06 12:24:40,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114660184] [2024-04-06 12:24:40,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:24:40,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-04-06 12:24:40,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:24:41,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-04-06 12:24:41,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=12136, Unknown=0, NotChecked=0, Total=12432 [2024-04-06 12:24:41,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:24:41,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:24:41,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 4.848214285714286) internal successors, (543), 111 states have internal predecessors, (543), 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 12:24:41,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:41,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:24:41,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:24:41,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:01,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:01,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:01,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-04-06 12:25:01,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-06 12:25:01,219 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:25:01,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:25:01,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1776224933, now seen corresponding path program 25 times [2024-04-06 12:25:01,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:25:01,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247167609] [2024-04-06 12:25:01,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:25:01,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:25:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:25:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5310 backedges. 115 proven. 4878 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:25:03,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:25:03,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247167609] [2024-04-06 12:25:03,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247167609] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:25:03,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [598911132] [2024-04-06 12:25:03,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 12:25:03,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:25:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:25:03,464 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:25:03,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-06 12:25:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:25:03,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-06 12:25:03,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:25:04,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:25:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5310 backedges. 30 proven. 4812 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:25:04,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:25:05,079 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:25:05,079 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 13 treesize of output 12 [2024-04-06 12:25:05,257 INFO L134 CoverageAnalysis]: Checked inductivity of 5310 backedges. 30 proven. 4812 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:25:05,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [598911132] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:25:05,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:25:05,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 45, 45] total 71 [2024-04-06 12:25:05,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831469171] [2024-04-06 12:25:05,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:25:05,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2024-04-06 12:25:05,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:25:08,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2024-04-06 12:25:08,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=4938, Unknown=0, NotChecked=0, Total=5112 [2024-04-06 12:25:08,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:08,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:25:08,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.736111111111111) internal successors, (485), 71 states have internal predecessors, (485), 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 12:25:08,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:08,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:08,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:08,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:08,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:08,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:08,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:08,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:08,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:08,054 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:13,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:25:13,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-06 12:25:13,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-06 12:25:13,893 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:25:13,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:25:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash -831677181, now seen corresponding path program 26 times [2024-04-06 12:25:13,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:25:13,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024809994] [2024-04-06 12:25:13,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:25:13,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:25:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:25:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 85 proven. 5150 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:25:16,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:25:16,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024809994] [2024-04-06 12:25:16,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024809994] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:25:16,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30599683] [2024-04-06 12:25:16,167 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 12:25:16,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:25:16,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:25:16,168 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:25:16,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-06 12:25:16,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 12:25:16,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:25:16,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 126 conjunts are in the unsatisfiable core [2024-04-06 12:25:16,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:25:16,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:25:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 0 proven. 5084 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:25:16,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:25:17,786 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:25:17,786 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 13 treesize of output 12 [2024-04-06 12:25:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 5552 backedges. 0 proven. 5084 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:25:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30599683] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:25:17,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:25:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 47, 47] total 74 [2024-04-06 12:25:17,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750828307] [2024-04-06 12:25:17,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:25:17,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2024-04-06 12:25:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:25:20,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2024-04-06 12:25:20,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=5369, Unknown=0, NotChecked=0, Total=5550 [2024-04-06 12:25:20,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:20,800 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:25:20,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 6.693333333333333) internal successors, (502), 74 states have internal predecessors, (502), 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 12:25:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:20,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:25:20,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:27,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:27,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:25:27,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:25:27,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-06 12:25:27,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:25:27,237 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:25:27,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:25:27,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1015167461, now seen corresponding path program 27 times [2024-04-06 12:25:27,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:25:27,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286050782] [2024-04-06 12:25:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:25:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:25:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:25:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 5802 backedges. 85 proven. 5400 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:25:29,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:25:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286050782] [2024-04-06 12:25:29,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286050782] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:25:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713260516] [2024-04-06 12:25:29,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 12:25:29,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:25:29,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:25:29,612 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:25:29,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-06 12:25:29,861 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2024-04-06 12:25:29,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:25:29,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 246 conjunts are in the unsatisfiable core [2024-04-06 12:25:29,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:25:34,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-06 12:25:34,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:25:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5802 backedges. 186 proven. 5144 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-04-06 12:25:34,421 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:25:34,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:25:34,557 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 13 treesize of output 17 [2024-04-06 12:25:35,025 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:25:35,025 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 17 treesize of output 21 [2024-04-06 12:25:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5802 backedges. 186 proven. 5144 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-04-06 12:25:35,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713260516] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:25:35,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:25:35,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 68, 68] total 120 [2024-04-06 12:25:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483083645] [2024-04-06 12:25:35,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:25:35,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-04-06 12:25:35,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:25:35,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-04-06 12:25:35,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=14203, Unknown=0, NotChecked=0, Total=14520 [2024-04-06 12:25:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:25:35,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:25:35,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 4.917355371900826) internal successors, (595), 120 states have internal predecessors, (595), 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 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:25:35,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:25:35,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:25:35,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:25:35,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:25:35,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:01,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:01,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:01,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:01,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-06 12:26:01,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-04-06 12:26:01,948 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:26:01,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:26:01,949 INFO L85 PathProgramCache]: Analyzing trace with hash -801907902, now seen corresponding path program 28 times [2024-04-06 12:26:01,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:26:01,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379803539] [2024-04-06 12:26:01,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:26:01,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:26:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:26:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 118 proven. 6000 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:26:04,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:26:04,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379803539] [2024-04-06 12:26:04,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379803539] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:26:04,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264735743] [2024-04-06 12:26:04,520 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 12:26:04,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:26:04,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:26:04,521 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:26:04,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-06 12:26:04,680 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 12:26:04,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:26:04,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 134 conjunts are in the unsatisfiable core [2024-04-06 12:26:04,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:26:05,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:26:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 33 proven. 5934 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:26:05,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:26:06,383 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:26:06,384 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 13 treesize of output 12 [2024-04-06 12:26:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 33 proven. 5934 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:26:06,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264735743] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:26:06,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:26:06,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 51, 51] total 80 [2024-04-06 12:26:06,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884602335] [2024-04-06 12:26:06,555 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:26:06,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2024-04-06 12:26:06,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:26:09,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2024-04-06 12:26:09,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=6285, Unknown=0, NotChecked=0, Total=6480 [2024-04-06 12:26:09,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:09,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:26:09,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 6.765432098765432) internal successors, (548), 80 states have internal predecessors, (548), 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 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:09,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:09,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:17,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:17,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:26:17,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-06 12:26:17,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:26:17,398 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:26:17,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:26:17,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2039494788, now seen corresponding path program 29 times [2024-04-06 12:26:17,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:26:17,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922033584] [2024-04-06 12:26:17,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:26:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:26:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:26:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 6701 backedges. 85 proven. 6299 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:26:20,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:26:20,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922033584] [2024-04-06 12:26:20,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922033584] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:26:20,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884169297] [2024-04-06 12:26:20,159 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 12:26:20,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:26:20,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:26:20,163 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:26:20,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-06 12:26:20,425 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-04-06 12:26:20,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:26:20,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 138 conjunts are in the unsatisfiable core [2024-04-06 12:26:20,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:26:20,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:26:20,819 INFO L134 CoverageAnalysis]: Checked inductivity of 6701 backedges. 0 proven. 6233 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:26:20,819 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:26:22,220 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:26:22,221 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 13 treesize of output 12 [2024-04-06 12:26:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6701 backedges. 0 proven. 6233 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:26:22,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884169297] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:26:22,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:26:22,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 53, 53] total 83 [2024-04-06 12:26:22,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183930408] [2024-04-06 12:26:22,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:26:22,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-06 12:26:22,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:26:25,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-06 12:26:25,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=6770, Unknown=0, NotChecked=0, Total=6972 [2024-04-06 12:26:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:25,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:26:25,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 6.726190476190476) internal successors, (565), 83 states have internal predecessors, (565), 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 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:25,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:26:25,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:26:33,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 12:26:33,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-06 12:26:34,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-04-06 12:26:34,019 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:26:34,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:26:34,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1280919742, now seen corresponding path program 30 times [2024-04-06 12:26:34,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:26:34,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806277081] [2024-04-06 12:26:34,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:26:34,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:26:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:26:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6975 backedges. 85 proven. 6573 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:26:36,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:26:36,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806277081] [2024-04-06 12:26:36,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806277081] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:26:36,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073556259] [2024-04-06 12:26:36,960 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 12:26:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:26:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:26:36,964 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:26:36,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-04-06 12:26:37,170 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-04-06 12:26:37,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 12:26:37,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 272 conjunts are in the unsatisfiable core [2024-04-06 12:26:37,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:26:42,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:26:42,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:26:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6975 backedges. 204 proven. 6302 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2024-04-06 12:26:42,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:26:43,123 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:26:43,124 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 13 treesize of output 17 [2024-04-06 12:26:43,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 12:26:43,674 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 17 treesize of output 21 [2024-04-06 12:26:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6975 backedges. 204 proven. 6299 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2024-04-06 12:26:44,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073556259] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:26:44,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:26:44,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 79, 77] total 137 [2024-04-06 12:26:44,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245206042] [2024-04-06 12:26:44,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:26:44,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 138 states [2024-04-06 12:26:44,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:26:44,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2024-04-06 12:26:44,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=18540, Unknown=0, NotChecked=0, Total=18906 [2024-04-06 12:26:44,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:26:44,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:26:44,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 138 states, 138 states have (on average 4.884057971014493) internal successors, (674), 137 states have internal predecessors, (674), 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 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:26:44,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:26:44,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 12:26:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:27:19,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:27:19,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-06 12:27:19,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 257 states. [2024-04-06 12:27:19,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-04-06 12:27:20,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:27:20,098 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 12:27:20,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 12:27:20,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1042216187, now seen corresponding path program 31 times [2024-04-06 12:27:20,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 12:27:20,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009733937] [2024-04-06 12:27:20,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 12:27:20,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 12:27:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:27:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7668 backedges. 121 proven. 7230 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2024-04-06 12:27:23,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 12:27:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009733937] [2024-04-06 12:27:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009733937] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 12:27:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679144093] [2024-04-06 12:27:23,553 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 12:27:23,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 12:27:23,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 12:27:23,554 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 12:27:23,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-06 12:27:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 12:27:23,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 146 conjunts are in the unsatisfiable core [2024-04-06 12:27:23,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 12:27:24,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-06 12:27:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7668 backedges. 36 proven. 7164 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:27:24,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 12:27:25,775 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-06 12:27:25,775 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 13 treesize of output 12 [2024-04-06 12:27:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7668 backedges. 36 proven. 7164 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2024-04-06 12:27:25,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679144093] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 12:27:25,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 12:27:25,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 57, 57] total 89 [2024-04-06 12:27:25,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855188859] [2024-04-06 12:27:25,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 12:27:25,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-04-06 12:27:25,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 12:27:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-04-06 12:27:29,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=7794, Unknown=0, NotChecked=0, Total=8010 [2024-04-06 12:27:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 12:27:29,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 12:27:29,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 6.788888888888889) internal successors, (611), 89 states have internal predecessors, (611), 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 12:27:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:27:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 12:27:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-06 12:27:29,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 371 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 340 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 257 states. [2024-04-06 12:27:29,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-06 12:27:38,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-06 12:27:38,967 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 12:27:38,967 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 12:27:38,967 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 12:27:39,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-04-06 12:27:39,120 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. [2024-04-06 12:27:39,122 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-06 12:27:39,123 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 12:27:39,123 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 12:27:39,123 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 12:27:39,132 INFO L445 BasicCegarLoop]: Path program histogram: [31, 2, 1, 1] [2024-04-06 12:27:39,138 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 12:27:39,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 12:27:39,141 INFO L201 PluginConnector]: Adding new model horseshoe.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 12:27:39 BasicIcfg [2024-04-06 12:27:39,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 12:27:39,142 INFO L158 Benchmark]: Toolchain (without parser) took 795449.98ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 236.5MB in the beginning and 1.1GB in the end (delta: -870.6MB). Peak memory consumption was 515.9MB. Max. memory is 8.0GB. [2024-04-06 12:27:39,142 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 267.4MB. Free memory is still 237.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 12:27:39,142 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.16ms. Allocated memory is still 267.4MB. Free memory was 236.5MB in the beginning and 238.3MB in the end (delta: -1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 12:27:39,142 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 267.4MB. Free memory was 238.3MB in the beginning and 237.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 12:27:39,143 INFO L158 Benchmark]: RCFGBuilder took 318.02ms. Allocated memory is still 267.4MB. Free memory was 237.3MB in the beginning and 225.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 12:27:39,143 INFO L158 Benchmark]: TraceAbstraction took 795023.40ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 223.9MB in the beginning and 1.1GB in the end (delta: -883.2MB). Peak memory consumption was 504.3MB. Max. memory is 8.0GB. [2024-04-06 12:27:39,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 267.4MB. Free memory is still 237.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.16ms. Allocated memory is still 267.4MB. Free memory was 236.5MB in the beginning and 238.3MB in the end (delta: -1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 267.4MB. Free memory was 238.3MB in the beginning and 237.3MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 318.02ms. Allocated memory is still 267.4MB. Free memory was 237.3MB in the beginning and 225.3MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 795023.40ms. Allocated memory was 267.4MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 223.9MB in the beginning and 1.1GB in the end (delta: -883.2MB). Peak memory consumption was 504.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 455605, independent: 410700, independent conditional: 410700, independent unconditional: 0, dependent: 44905, dependent conditional: 44905, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 411303, independent: 410700, independent conditional: 410700, independent unconditional: 0, dependent: 603, dependent conditional: 603, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 411303, independent: 410700, independent conditional: 410700, independent unconditional: 0, dependent: 603, dependent conditional: 603, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 411303, independent: 410700, independent conditional: 410700, independent unconditional: 0, dependent: 603, dependent conditional: 603, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 23570, independent unconditional: 387130, dependent: 16964, dependent conditional: 12638, dependent unconditional: 4326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 8838, independent unconditional: 401862, dependent: 16964, dependent conditional: 5243, dependent unconditional: 11721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 8838, independent unconditional: 401862, dependent: 16964, dependent conditional: 5243, dependent unconditional: 11721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2245, independent: 1816, independent conditional: 1578, independent unconditional: 238, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2245, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 1987, dependent conditional: 0, dependent unconditional: 1987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1987, independent: 1558, independent conditional: 1556, independent unconditional: 2, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1987, independent: 1558, independent conditional: 1556, independent unconditional: 2, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3420, independent: 2563, independent conditional: 2550, independent unconditional: 14, dependent: 857, dependent conditional: 854, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 427664, independent: 408884, independent conditional: 7260, independent unconditional: 401624, dependent: 16535, dependent conditional: 4817, dependent unconditional: 11718, unknown: 2245, unknown conditional: 2004, unknown unconditional: 241] , Statistics on independence cache: Total cache size (in pairs): 2245, Positive cache size: 1816, Positive conditional cache size: 1578, Positive unconditional cache size: 238, Negative cache size: 429, Negative conditional cache size: 426, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22127, Maximal queried relation: 34, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 23570, independent unconditional: 387130, dependent: 16964, dependent conditional: 12638, dependent unconditional: 4326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 8838, independent unconditional: 401862, dependent: 16964, dependent conditional: 5243, dependent unconditional: 11721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 427664, independent: 410700, independent conditional: 8838, independent unconditional: 401862, dependent: 16964, dependent conditional: 5243, dependent unconditional: 11721, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2245, independent: 1816, independent conditional: 1578, independent unconditional: 238, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2245, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 1987, dependent conditional: 0, dependent unconditional: 1987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1987, independent: 1558, independent conditional: 1556, independent unconditional: 2, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1987, independent: 1558, independent conditional: 1556, independent unconditional: 2, dependent: 429, dependent conditional: 426, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3420, independent: 2563, independent conditional: 2550, independent unconditional: 14, dependent: 857, dependent conditional: 854, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 427664, independent: 408884, independent conditional: 7260, independent unconditional: 401624, dependent: 16535, dependent conditional: 4817, dependent unconditional: 11718, unknown: 2245, unknown conditional: 2004, unknown unconditional: 241] , Statistics on independence cache: Total cache size (in pairs): 2245, Positive cache size: 1816, Positive conditional cache size: 1578, Positive unconditional cache size: 238, Negative cache size: 429, Negative conditional cache size: 426, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22127 ], Independence queries for same thread: 44302 - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. - TimeoutResultAtElement [Line: 77]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 173 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 794.9s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 31, EmptinessCheckTime: 578.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3197, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 167.4s InterpolantComputationTime, 15975 NumberOfCodeBlocks, 15975 NumberOfCodeBlocksAsserted, 301 NumberOfCheckSat, 23815 ConstructedInterpolants, 8 QuantifiedInterpolants, 185564 SizeOfPredicates, 190 NumberOfNonLiveVariables, 19690 ConjunctsInSsa, 3550 ConjunctsInUnsatCore, 100 InterpolantComputations, 3 PerfectInterpolantSequences, 38126/273294 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown