/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis false --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 06:17:55,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 06:17:55,453 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 06:17:55,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 06:17:55,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 06:17:55,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 06:17:55,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 06:17:55,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 06:17:55,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 06:17:55,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 06:17:55,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 06:17:55,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 06:17:55,472 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:17:55,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 06:17:55,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:17:55,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 06:17:55,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-04-25 06:17:55,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 06:17:55,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 06:17:55,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 06:17:55,685 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 06:17:55,686 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 06:17:55,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2025-04-25 06:17:55,687 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2025-04-25 06:17:55,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 06:17:55,711 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 06:17:55,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 06:17:55,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 06:17:55,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 06:17:55,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,736 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,741 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 06:17:55,742 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 06:17:55,743 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 06:17:55,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 06:17:55,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 06:17:55,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,755 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,760 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 06:17:55,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 06:17:55,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 06:17:55,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 06:17:55,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/1) ... [2025-04-25 06:17:55,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:17:55,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:55,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 06:17:55,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 06:17:55,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 06:17:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 06:17:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 06:17:55,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 06:17:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 06:17:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 06:17:55,822 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 06:17:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 06:17:55,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 06:17:55,823 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 06:17:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 06:17:55,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 06:17:55,823 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 06:17:55,866 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 06:17:55,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 06:17:55,954 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 06:17:55,954 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 06:17:55,973 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 06:17:55,974 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 06:17:55,974 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 06:17:55 BoogieIcfgContainer [2025-04-25 06:17:55,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 06:17:55,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 06:17:55,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 06:17:55,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 06:17:55,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:17:55" (1/2) ... [2025-04-25 06:17:55,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5afb500a and model type queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 06:17:55, skipping insertion in model container [2025-04-25 06:17:55,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 06:17:55" (2/2) ... [2025-04-25 06:17:55,983 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-3-nl.wvr.bpl [2025-04-25 06:17:55,993 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 06:17:55,995 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-3-nl.wvr.bpl that has 4 procedures, 40 locations, 39 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 06:17:55,995 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 06:17:56,031 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 06:17:56,060 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 06:17:56,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 06:17:56,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:56,064 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) [2025-04-25 06:17:56,065 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 [2025-04-25 06:17:56,115 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 06:17:56,124 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 06:17:56,129 INFO L340 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, 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;@426fde09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 06:17:56,129 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 06:17:56,208 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:56,212 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash 222704596, now seen corresponding path program 1 times [2025-04-25 06:17:56,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:56,217 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636105663] [2025-04-25 06:17:56,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:56,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:56,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 06:17:56,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 06:17:56,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:56,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:56,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:56,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:56,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636105663] [2025-04-25 06:17:56,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636105663] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:17:56,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:17:56,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 06:17:56,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731600971] [2025-04-25 06:17:56,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:17:56,321 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 06:17:56,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:56,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 06:17:56,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 06:17:56,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:56,353 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:56,354 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-04-25 06:17:56,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:56,438 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:56,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 06:17:56,438 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:56,439 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:56,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2122283812, now seen corresponding path program 1 times [2025-04-25 06:17:56,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:56,439 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043504174] [2025-04-25 06:17:56,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:56,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-25 06:17:56,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 06:17:56,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:56,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:56,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:56,507 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043504174] [2025-04-25 06:17:56,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043504174] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:17:56,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:17:56,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 06:17:56,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315943556] [2025-04-25 06:17:56,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:17:56,508 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 06:17:56,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:56,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 06:17:56,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 06:17:56,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:56,509 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:56,509 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2025-04-25 06:17:56,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:56,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:56,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:56,566 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:56,567 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 06:17:56,567 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:56,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:56,568 INFO L85 PathProgramCache]: Analyzing trace with hash 653104152, now seen corresponding path program 1 times [2025-04-25 06:17:56,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:56,569 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272845786] [2025-04-25 06:17:56,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:56,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:56,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-25 06:17:56,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 06:17:56,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:56,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:57,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:57,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:57,204 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272845786] [2025-04-25 06:17:57,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272845786] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:17:57,204 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787756558] [2025-04-25 06:17:57,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:57,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:57,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:57,207 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) [2025-04-25 06:17:57,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 06:17:57,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-25 06:17:57,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 06:17:57,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:57,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:57,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-04-25 06:17:57,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:17:57,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:57,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:17:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:58,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787756558] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:17:58,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:17:58,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2025-04-25 06:17:58,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598274574] [2025-04-25 06:17:58,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:17:58,045 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-25 06:17:58,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:58,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-25 06:17:58,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2025-04-25 06:17:58,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:58,046 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:58,046 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.076923076923077) internal successors, (80), 25 states have internal predecessors, (80), 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) [2025-04-25 06:17:58,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,047 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:58,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,408 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:17:58,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-25 06:17:58,609 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-04-25 06:17:58,609 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:58,610 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:58,610 INFO L85 PathProgramCache]: Analyzing trace with hash -716209398, now seen corresponding path program 2 times [2025-04-25 06:17:58,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:58,610 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903988056] [2025-04-25 06:17:58,610 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:17:58,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:58,615 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:17:58,620 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:17:58,620 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:17:58,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:58,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:58,662 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903988056] [2025-04-25 06:17:58,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903988056] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:17:58,663 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44745719] [2025-04-25 06:17:58,663 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:17:58,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:58,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:58,665 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) [2025-04-25 06:17:58,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-25 06:17:58,689 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:17:58,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:17:58,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:17:58,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:58,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-25 06:17:58,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:17:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:17:58,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 06:17:58,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44745719] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:17:58,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 06:17:58,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-04-25 06:17:58,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518702383] [2025-04-25 06:17:58,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:17:58,744 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 06:17:58,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:58,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 06:17:58,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-25 06:17:58,744 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:58,744 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:58,744 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2025-04-25 06:17:58,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:17:58,745 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:58,792 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,792 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:58,793 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:17:58,793 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:58,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 06:17:58,993 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:58,993 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:58,994 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:58,994 INFO L85 PathProgramCache]: Analyzing trace with hash -448290272, now seen corresponding path program 3 times [2025-04-25 06:17:58,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:58,994 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055452517] [2025-04-25 06:17:58,994 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:17:58,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:58,998 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 2 equivalence classes. [2025-04-25 06:17:59,004 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-04-25 06:17:59,004 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:17:59,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:59,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:59,066 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055452517] [2025-04-25 06:17:59,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055452517] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:17:59,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:17:59,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 06:17:59,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140932596] [2025-04-25 06:17:59,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:17:59,067 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 06:17:59,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:59,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 06:17:59,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-25 06:17:59,067 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:59,067 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:59,067 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-04-25 06:17:59,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:17:59,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,067 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:59,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:17:59,192 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,193 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,193 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 06:17:59,194 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:59,194 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash 941427440, now seen corresponding path program 1 times [2025-04-25 06:17:59,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:59,194 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693783666] [2025-04-25 06:17:59,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:59,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-25 06:17:59,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-25 06:17:59,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:59,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:59,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:59,263 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693783666] [2025-04-25 06:17:59,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693783666] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:17:59,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306700188] [2025-04-25 06:17:59,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:17:59,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:59,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:59,265 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) [2025-04-25 06:17:59,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-25 06:17:59,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-25 06:17:59,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-25 06:17:59,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:17:59,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:59,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-25 06:17:59,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:17:59,338 INFO L354 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 [2025-04-25 06:17:59,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:59,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:17:59,399 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 06:17:59,399 INFO L354 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 11 treesize of output 10 [2025-04-25 06:17:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:59,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306700188] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:17:59,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:17:59,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-04-25 06:17:59,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603196253] [2025-04-25 06:17:59,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:17:59,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 06:17:59,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:17:59,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 06:17:59,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-04-25 06:17:59,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:59,412 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:17:59,412 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:17:59,491 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:17:59,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-25 06:17:59,691 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:59,692 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:17:59,692 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:17:59,692 INFO L85 PathProgramCache]: Analyzing trace with hash -657942792, now seen corresponding path program 2 times [2025-04-25 06:17:59,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:17:59,692 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410495272] [2025-04-25 06:17:59,692 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:17:59,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:17:59,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-25 06:17:59,700 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 06:17:59,700 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:17:59,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:17:59,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:17:59,837 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410495272] [2025-04-25 06:17:59,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410495272] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:17:59,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957941293] [2025-04-25 06:17:59,838 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:17:59,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:17:59,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:17:59,839 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) [2025-04-25 06:17:59,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-25 06:17:59,867 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-04-25 06:17:59,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-04-25 06:17:59,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:17:59,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:17:59,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-04-25 06:17:59,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:17:59,996 INFO L354 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 7 treesize of output 3 [2025-04-25 06:18:00,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:00,091 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:00,136 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:00,136 INFO L354 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 [2025-04-25 06:18:00,178 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:00,178 INFO L354 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 [2025-04-25 06:18:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:00,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957941293] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:00,209 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:00,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 7] total 20 [2025-04-25 06:18:00,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777854485] [2025-04-25 06:18:00,209 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:00,210 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-04-25 06:18:00,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:00,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-04-25 06:18:00,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-04-25 06:18:00,210 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:00,210 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:00,210 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 20 states have internal predecessors, (84), 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) [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:00,211 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:00,434 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:00,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:00,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-25 06:18:00,635 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-04-25 06:18:00,636 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:00,636 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:00,636 INFO L85 PathProgramCache]: Analyzing trace with hash 61371260, now seen corresponding path program 3 times [2025-04-25 06:18:00,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:00,636 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607885174] [2025-04-25 06:18:00,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:18:00,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:00,639 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-04-25 06:18:00,655 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 06:18:00,655 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:18:00,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:01,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:01,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:01,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607885174] [2025-04-25 06:18:01,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607885174] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:01,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016007661] [2025-04-25 06:18:01,317 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:18:01,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:01,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:01,319 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) [2025-04-25 06:18:01,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-25 06:18:01,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-04-25 06:18:01,348 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 06:18:01,348 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:18:01,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:01,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-25 06:18:01,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:02,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:02,520 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:02,521 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-04-25 06:18:02,688 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:02,688 INFO L354 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 24 treesize of output 28 [2025-04-25 06:18:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016007661] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:02,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:02,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 53 [2025-04-25 06:18:02,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341772608] [2025-04-25 06:18:02,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:02,800 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-04-25 06:18:02,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:02,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-04-25 06:18:02,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=2631, Unknown=0, NotChecked=0, Total=2862 [2025-04-25 06:18:02,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:02,801 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:02,801 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.1481481481481484) internal successors, (116), 53 states have internal predecessors, (116), 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) [2025-04-25 06:18:02,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:02,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:02,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,022 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:05,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:05,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:05,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-25 06:18:05,225 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:05,225 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:05,226 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:05,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1943115860, now seen corresponding path program 4 times [2025-04-25 06:18:05,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:05,226 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523071827] [2025-04-25 06:18:05,226 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:18:05,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:05,229 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-25 06:18:05,238 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:18:05,238 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:18:05,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:05,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:05,406 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523071827] [2025-04-25 06:18:05,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523071827] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:05,406 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650547413] [2025-04-25 06:18:05,406 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:18:05,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:05,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:05,408 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) [2025-04-25 06:18:05,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-25 06:18:05,430 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-04-25 06:18:05,441 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:18:05,441 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:18:05,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:05,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 06:18:05,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:05,483 INFO L354 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 [2025-04-25 06:18:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 06:18:05,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:05,525 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 06:18:05,526 INFO L354 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 11 treesize of output 10 [2025-04-25 06:18:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 06:18:05,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650547413] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:05,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:05,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 13 [2025-04-25 06:18:05,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613706175] [2025-04-25 06:18:05,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:05,548 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-25 06:18:05,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:05,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-25 06:18:05,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-04-25 06:18:05,548 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:05,548 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:05,548 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 13 states have internal predecessors, (84), 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) [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,548 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:05,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:05,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:05,549 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:05,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:05,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 06:18:05,901 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-25 06:18:05,901 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:05,901 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:05,901 INFO L85 PathProgramCache]: Analyzing trace with hash -166819492, now seen corresponding path program 5 times [2025-04-25 06:18:05,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:05,901 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106764551] [2025-04-25 06:18:05,901 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:18:05,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:05,905 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 58 statements into 3 equivalence classes. [2025-04-25 06:18:05,912 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 58 of 58 statements. [2025-04-25 06:18:05,912 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:18:05,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:06,122 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:06,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:06,122 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106764551] [2025-04-25 06:18:06,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106764551] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:06,122 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660386177] [2025-04-25 06:18:06,122 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:18:06,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:06,124 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) [2025-04-25 06:18:06,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-25 06:18:06,146 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 58 statements into 3 equivalence classes. [2025-04-25 06:18:06,158 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 58 of 58 statements. [2025-04-25 06:18:06,158 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:18:06,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:06,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-25 06:18:06,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:06,236 INFO L354 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 23 treesize of output 17 [2025-04-25 06:18:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-25 06:18:06,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:06,385 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 06:18:06,385 INFO L354 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 12 treesize of output 11 [2025-04-25 06:18:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-04-25 06:18:06,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660386177] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:06,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:06,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2025-04-25 06:18:06,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932114155] [2025-04-25 06:18:06,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:06,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-25 06:18:06,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:06,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-25 06:18:06,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2025-04-25 06:18:06,412 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:06,412 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:06,412 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 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) [2025-04-25 06:18:06,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:06,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:06,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:06,412 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:06,413 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:07,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:07,018 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:07,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:18:07,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-25 06:18:07,220 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:07,220 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:07,220 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash 149839768, now seen corresponding path program 6 times [2025-04-25 06:18:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:07,221 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048691396] [2025-04-25 06:18:07,221 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:18:07,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:07,224 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 3 equivalence classes. [2025-04-25 06:18:07,234 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 06:18:07,234 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:18:07,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:08,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:08,252 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048691396] [2025-04-25 06:18:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048691396] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:08,252 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883201731] [2025-04-25 06:18:08,252 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:18:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:08,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:08,253 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) [2025-04-25 06:18:08,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-25 06:18:08,274 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 3 equivalence classes. [2025-04-25 06:18:08,286 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 63 of 63 statements. [2025-04-25 06:18:08,286 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:18:08,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:08,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-04-25 06:18:08,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:09,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:10,738 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:10,738 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 42 treesize of output 66 [2025-04-25 06:18:11,074 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:11,074 INFO L354 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 39 treesize of output 63 [2025-04-25 06:18:11,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:11,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883201731] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:11,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:11,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 80 [2025-04-25 06:18:11,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937083664] [2025-04-25 06:18:11,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:11,159 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-25 06:18:11,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:11,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-25 06:18:11,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=6154, Unknown=0, NotChecked=0, Total=6480 [2025-04-25 06:18:11,162 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:11,162 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:11,162 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.9876543209876543) internal successors, (161), 80 states have internal predecessors, (161), 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) [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:18:11,162 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:17,714 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:18:17,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:18:17,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-25 06:18:17,915 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:17,916 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:17,916 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:17,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1981680408, now seen corresponding path program 7 times [2025-04-25 06:18:17,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:17,916 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827721781] [2025-04-25 06:18:17,916 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:18:17,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:17,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-04-25 06:18:17,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-04-25 06:18:17,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:18:17,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 18 proven. 62 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-25 06:18:19,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:19,764 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827721781] [2025-04-25 06:18:19,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827721781] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:19,764 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849152906] [2025-04-25 06:18:19,764 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:18:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:19,765 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) [2025-04-25 06:18:19,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-25 06:18:19,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-04-25 06:18:19,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-04-25 06:18:19,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:18:19,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:19,811 WARN L254 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-25 06:18:19,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:22,928 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:22,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:25,935 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:25,935 INFO L354 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 76 treesize of output 200 [2025-04-25 06:18:26,658 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:26,658 INFO L354 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 65 treesize of output 189 [2025-04-25 06:18:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:26,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849152906] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:26,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:26,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 47, 47] total 127 [2025-04-25 06:18:26,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235317093] [2025-04-25 06:18:26,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:26,841 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-04-25 06:18:26,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:26,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-04-25 06:18:26,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=655, Invalid=15601, Unknown=0, NotChecked=0, Total=16256 [2025-04-25 06:18:26,844 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:26,844 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:26,845 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 1.8671875) internal successors, (239), 127 states have internal predecessors, (239), 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) [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:18:26,845 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:39,811 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:39,812 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-25 06:18:39,812 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:18:39,812 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-04-25 06:18:39,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-25 06:18:40,012 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-25 06:18:40,012 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:18:40,013 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:18:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash -841953540, now seen corresponding path program 8 times [2025-04-25 06:18:40,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:18:40,013 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456673457] [2025-04-25 06:18:40,013 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:18:40,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:18:40,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-04-25 06:18:40,037 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-04-25 06:18:40,037 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:18:40,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 10 proven. 97 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-25 06:18:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:18:42,313 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456673457] [2025-04-25 06:18:42,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456673457] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:18:42,314 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079112249] [2025-04-25 06:18:42,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:18:42,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:18:42,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:18:42,315 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) [2025-04-25 06:18:42,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-25 06:18:42,341 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-04-25 06:18:42,362 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-04-25 06:18:42,362 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:18:42,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:18:42,364 WARN L254 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 150 conjuncts are in the unsatisfiable core [2025-04-25 06:18:42,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:18:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:46,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:18:52,205 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:52,205 INFO L354 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 100 treesize of output 300 [2025-04-25 06:18:54,654 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:18:54,655 INFO L354 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 190 treesize of output 376 [2025-04-25 06:18:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:18:55,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079112249] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:18:55,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:18:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 59, 59] total 159 [2025-04-25 06:18:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276196064] [2025-04-25 06:18:55,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:18:55,577 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2025-04-25 06:18:55,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:18:55,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2025-04-25 06:18:55,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1491, Invalid=23949, Unknown=0, NotChecked=0, Total=25440 [2025-04-25 06:18:55,582 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:18:55,582 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:18:55,583 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 1.7875) internal successors, (286), 159 states have internal predecessors, (286), 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) [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-04-25 06:18:55,583 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:20,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:20,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2025-04-25 06:19:20,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2025-04-25 06:19:20,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-25 06:19:20,279 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:19:20,280 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:19:20,280 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:19:20,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1014754826, now seen corresponding path program 9 times [2025-04-25 06:19:20,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:19:20,280 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437442572] [2025-04-25 06:19:20,280 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:19:20,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:19:20,284 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 128 statements into 6 equivalence classes. [2025-04-25 06:19:20,296 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 128 of 128 statements. [2025-04-25 06:19:20,296 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 06:19:20,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 35 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-04-25 06:19:20,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:19:20,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437442572] [2025-04-25 06:19:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437442572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:19:20,393 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828182311] [2025-04-25 06:19:20,393 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:19:20,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:19:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:19:20,395 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) [2025-04-25 06:19:20,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-25 06:19:20,423 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 128 statements into 6 equivalence classes. [2025-04-25 06:19:20,454 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 128 of 128 statements. [2025-04-25 06:19:20,454 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-25 06:19:20,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:20,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-25 06:19:20,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:19:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:19:20,561 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 06:19:20,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828182311] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:19:20,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 06:19:20,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2025-04-25 06:19:20,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663128881] [2025-04-25 06:19:20,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:19:20,562 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 06:19:20,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:19:20,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 06:19:20,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-25 06:19:20,562 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:20,562 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:19:20,562 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:20,562 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2025-04-25 06:19:20,563 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:23,570 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:23,570 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:23,570 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-25 06:19:23,571 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:19:23,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-25 06:19:23,773 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-25 06:19:23,773 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:19:23,773 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:19:23,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1616017248, now seen corresponding path program 10 times [2025-04-25 06:19:23,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:19:23,773 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112744257] [2025-04-25 06:19:23,774 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:19:23,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:19:23,777 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 133 statements into 2 equivalence classes. [2025-04-25 06:19:23,789 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-04-25 06:19:23,789 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:19:23,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:23,985 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:19:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:19:23,986 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112744257] [2025-04-25 06:19:23,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112744257] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:19:23,986 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124743124] [2025-04-25 06:19:23,986 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:19:23,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:19:23,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:19:23,988 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) [2025-04-25 06:19:23,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-25 06:19:24,013 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 133 statements into 2 equivalence classes. [2025-04-25 06:19:24,036 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-04-25 06:19:24,036 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:19:24,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:24,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-04-25 06:19:24,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:19:24,250 INFO L354 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 [2025-04-25 06:19:24,288 INFO L354 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 [2025-04-25 06:19:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:19:24,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:19:24,333 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:19:24,333 INFO L354 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 [2025-04-25 06:19:24,352 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:19:24,352 INFO L354 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 [2025-04-25 06:19:24,516 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:19:24,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124743124] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:19:24,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:19:24,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-04-25 06:19:24,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794781953] [2025-04-25 06:19:24,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:19:24,517 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-25 06:19:24,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:19:24,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-25 06:19:24,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-04-25 06:19:24,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:24,517 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:19:24,517 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.5) internal successors, (117), 17 states have internal predecessors, (117), 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) [2025-04-25 06:19:24,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:24,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:24,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:24,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:24,517 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:19:24,518 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-04-25 06:19:24,908 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:19:24,909 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:19:24,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-25 06:19:25,109 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-04-25 06:19:25,109 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:19:25,109 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:19:25,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1319277374, now seen corresponding path program 11 times [2025-04-25 06:19:25,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:19:25,110 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248756956] [2025-04-25 06:19:25,110 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:19:25,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:19:25,115 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 138 statements into 7 equivalence classes. [2025-04-25 06:19:25,134 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 138 of 138 statements. [2025-04-25 06:19:25,135 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-25 06:19:25,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 50 proven. 46 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2025-04-25 06:19:27,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:19:27,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248756956] [2025-04-25 06:19:27,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248756956] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:19:27,515 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922774568] [2025-04-25 06:19:27,515 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:19:27,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:19:27,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:19:27,517 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) [2025-04-25 06:19:27,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-25 06:19:27,543 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 138 statements into 7 equivalence classes. [2025-04-25 06:19:27,577 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 138 of 138 statements. [2025-04-25 06:19:27,577 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-25 06:19:27,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:19:27,581 WARN L254 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 201 conjuncts are in the unsatisfiable core [2025-04-25 06:19:27,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:19:35,417 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:19:35,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:19:44,935 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:19:44,935 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 127 treesize of output 551 [2025-04-25 06:19:51,229 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,230 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,231 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,231 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,232 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,232 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,233 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,234 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,234 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,235 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,235 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,235 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,238 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,239 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,242 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,242 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,242 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,246 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,246 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,246 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,247 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:19:51,328 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:19:51,328 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 104 treesize of output 318 [2025-04-25 06:19:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:19:51,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922774568] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:19:51,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:19:51,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 75, 75] total 186 [2025-04-25 06:19:51,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24205632] [2025-04-25 06:19:51,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:19:51,826 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2025-04-25 06:19:51,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:19:51,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2025-04-25 06:19:51,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1292, Invalid=33490, Unknown=0, NotChecked=0, Total=34782 [2025-04-25 06:19:51,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:19:51,831 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:19:51,832 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 1.8288770053475936) internal successors, (342), 186 states have internal predecessors, (342), 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) [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 201 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:19:51,832 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:26,757 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:20:26,758 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:20:26,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-25 06:20:26,958 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 06:20:26,958 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:20:26,959 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:20:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash 606324048, now seen corresponding path program 12 times [2025-04-25 06:20:26,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:20:26,959 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680153295] [2025-04-25 06:20:26,959 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:20:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:20:26,967 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 163 statements into 9 equivalence classes. [2025-04-25 06:20:27,020 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 163 of 163 statements. [2025-04-25 06:20:27,020 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-25 06:20:27,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:20:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 73 proven. 222 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-04-25 06:20:27,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:20:27,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680153295] [2025-04-25 06:20:27,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680153295] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:20:27,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694678323] [2025-04-25 06:20:27,311 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:20:27,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:20:27,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:20:27,312 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) [2025-04-25 06:20:27,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-04-25 06:20:27,340 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 163 statements into 9 equivalence classes. [2025-04-25 06:20:27,383 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 163 of 163 statements. [2025-04-25 06:20:27,383 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-25 06:20:27,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:20:27,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-25 06:20:27,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:20:27,588 INFO L354 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 12 treesize of output 8 [2025-04-25 06:20:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 87 proven. 140 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:20:27,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:20:27,637 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 06:20:27,637 INFO L354 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 14 treesize of output 13 [2025-04-25 06:20:27,797 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 87 proven. 140 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 06:20:27,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694678323] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:20:27,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:20:27,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 19 [2025-04-25 06:20:27,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560639501] [2025-04-25 06:20:27,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:20:27,798 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-25 06:20:27,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:20:27,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-25 06:20:27,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2025-04-25 06:20:27,798 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:20:27,798 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:20:27,799 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.3) internal successors, (126), 19 states have internal predecessors, (126), 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) [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:20:27,799 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:20:28,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:20:28,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-04-25 06:20:28,566 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 06:20:28,566 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:20:28,566 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:20:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1495313198, now seen corresponding path program 13 times [2025-04-25 06:20:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:20:28,566 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690791873] [2025-04-25 06:20:28,566 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:20:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:20:28,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-25 06:20:28,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-25 06:20:28,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:20:28,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:20:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 102 proven. 180 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2025-04-25 06:20:32,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:20:32,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690791873] [2025-04-25 06:20:32,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690791873] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:20:32,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040384196] [2025-04-25 06:20:32,907 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:20:32,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:20:32,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:20:32,909 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) [2025-04-25 06:20:32,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-04-25 06:20:32,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-25 06:20:32,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-25 06:20:32,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:20:32,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:20:32,963 WARN L254 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 254 conjuncts are in the unsatisfiable core [2025-04-25 06:20:32,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:20:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:20:45,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:21:03,227 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:21:03,227 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 161 treesize of output 885 [2025-04-25 06:21:22,606 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:21:22,606 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 130 treesize of output 854 [2025-04-25 06:21:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:21:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040384196] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:21:23,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:21:23,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 93, 93] total 235 [2025-04-25 06:21:23,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977949823] [2025-04-25 06:21:23,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:21:23,596 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 236 states [2025-04-25 06:21:23,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:21:23,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 236 interpolants. [2025-04-25 06:21:23,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1573, Invalid=53887, Unknown=0, NotChecked=0, Total=55460 [2025-04-25 06:21:23,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:21:23,600 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:21:23,600 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 236 states, 236 states have (on average 1.7881355932203389) internal successors, (422), 235 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) [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:21:23,600 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:21:23,601 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:22:20,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:22:20,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:20,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:22:20,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:22:20,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:22:20,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2025-04-25 06:22:20,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-25 06:22:21,097 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 06:22:21,097 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:22:21,098 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1907607570, now seen corresponding path program 14 times [2025-04-25 06:22:21,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:21,098 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558164484] [2025-04-25 06:22:21,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:21,104 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 213 statements into 2 equivalence classes. [2025-04-25 06:22:21,135 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 213 of 213 statements. [2025-04-25 06:22:21,135 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:21,135 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2025-04-25 06:22:26,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:26,078 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558164484] [2025-04-25 06:22:26,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558164484] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:26,078 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084444985] [2025-04-25 06:22:26,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:26,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:26,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:26,080 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) [2025-04-25 06:22:26,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-04-25 06:22:26,110 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 213 statements into 2 equivalence classes. [2025-04-25 06:22:26,148 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 213 of 213 statements. [2025-04-25 06:22:26,148 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:26,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:26,152 WARN L254 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 334 conjuncts are in the unsatisfiable core [2025-04-25 06:22:26,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 807 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:49,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:25,906 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:23:25,907 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 217 treesize of output 1537 [2025-04-25 06:25:11,143 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:25:11,143 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 658 treesize of output 1936 [2025-04-25 06:25:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 807 backedges. 0 proven. 807 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:25:31,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084444985] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:25:31,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:25:31,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 122, 122] total 293 [2025-04-25 06:25:31,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145158721] [2025-04-25 06:25:31,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:25:31,588 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 294 states [2025-04-25 06:25:31,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:25:31,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 294 interpolants. [2025-04-25 06:25:31,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1976, Invalid=84166, Unknown=0, NotChecked=0, Total=86142 [2025-04-25 06:25:31,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:25:31,593 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:25:31,594 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 294 states, 294 states have (on average 1.7653061224489797) internal successors, (519), 293 states have internal predecessors, (519), 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) [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2025-04-25 06:25:31,594 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:27:57,914 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2025-04-25 06:27:57,915 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:27:57,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-04-25 06:27:58,115 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:27:58,115 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:27:58,116 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:27:58,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1793390964, now seen corresponding path program 15 times [2025-04-25 06:27:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:27:58,116 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817423825] [2025-04-25 06:27:58,116 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:27:58,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:27:58,122 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 248 statements into 13 equivalence classes. [2025-04-25 06:27:58,178 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 248 of 248 statements. [2025-04-25 06:27:58,178 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-04-25 06:27:58,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:27:58,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 7 proven. 514 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2025-04-25 06:27:58,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:27:58,454 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817423825] [2025-04-25 06:27:58,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817423825] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:27:58,454 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967498993] [2025-04-25 06:27:58,454 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:27:58,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:27:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:27:58,456 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) [2025-04-25 06:27:58,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-04-25 06:27:58,489 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 248 statements into 13 equivalence classes. [2025-04-25 06:27:58,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 248 of 248 statements. [2025-04-25 06:27:58,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-04-25 06:27:58,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:27:58,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 06:27:58,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:27:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 7 proven. 451 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-25 06:27:58,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:27:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 7 proven. 451 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-25 06:27:59,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967498993] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:27:59,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:27:59,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-04-25 06:27:59,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656421173] [2025-04-25 06:27:59,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:27:59,003 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 06:27:59,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:27:59,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 06:27:59,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 06:27:59,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:27:59,004 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:27:59,004 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 6 states have internal predecessors, (80), 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) [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:27:59,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2025-04-25 06:28:04,608 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 465 states. [2025-04-25 06:28:04,609 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:28:04,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-04-25 06:28:04,809 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:28:04,809 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:28:04,810 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:28:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash 591353126, now seen corresponding path program 16 times [2025-04-25 06:28:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:28:04,810 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464692191] [2025-04-25 06:28:04,810 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:28:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:28:04,816 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 253 statements into 2 equivalence classes. [2025-04-25 06:28:04,842 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-25 06:28:04,842 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:28:04,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-25 06:28:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:28:05,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464692191] [2025-04-25 06:28:05,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464692191] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:28:05,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916552651] [2025-04-25 06:28:05,245 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:28:05,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:28:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:28:05,247 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) [2025-04-25 06:28:05,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-04-25 06:28:05,280 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 253 statements into 2 equivalence classes. [2025-04-25 06:28:05,330 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-04-25 06:28:05,330 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:28:05,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:05,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-04-25 06:28:05,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:28:05,823 INFO L354 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 [2025-04-25 06:28:05,883 INFO L354 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 [2025-04-25 06:28:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-25 06:28:05,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:28:05,953 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:28:05,953 INFO L354 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 [2025-04-25 06:28:05,969 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:28:05,969 INFO L354 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 [2025-04-25 06:28:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2025-04-25 06:28:06,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916552651] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:28:06,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:28:06,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 22 [2025-04-25 06:28:06,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906806563] [2025-04-25 06:28:06,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:28:06,347 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-04-25 06:28:06,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:28:06,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-04-25 06:28:06,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2025-04-25 06:28:06,348 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:28:06,348 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:28:06,348 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.956521739130435) internal successors, (160), 22 states have internal predecessors, (160), 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) [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 465 states. [2025-04-25 06:28:06,348 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:28:06,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:28:06,971 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 465 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:28:06,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:28:06,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-04-25 06:28:07,172 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:28:07,173 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:28:07,173 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:28:07,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1389509308, now seen corresponding path program 17 times [2025-04-25 06:28:07,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:28:07,173 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267803519] [2025-04-25 06:28:07,173 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:28:07,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:28:07,179 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 258 statements into 14 equivalence classes. [2025-04-25 06:28:07,237 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 258 of 258 statements. [2025-04-25 06:28:07,238 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-25 06:28:07,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:15,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 191 proven. 669 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2025-04-25 06:28:15,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:28:15,414 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267803519] [2025-04-25 06:28:15,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267803519] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:28:15,414 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [296776147] [2025-04-25 06:28:15,414 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:28:15,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:28:15,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:28:15,416 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) [2025-04-25 06:28:15,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-04-25 06:28:15,448 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 258 statements into 14 equivalence classes. [2025-04-25 06:28:15,524 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 258 of 258 statements. [2025-04-25 06:28:15,524 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-25 06:28:15,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:15,528 WARN L254 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 410 conjuncts are in the unsatisfiable core [2025-04-25 06:28:15,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:28:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 1227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:28:52,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:30:06,430 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,432 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,437 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,438 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,438 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,439 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,439 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,440 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,440 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,440 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,443 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,450 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,451 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,451 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,451 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,452 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,452 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,453 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,453 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,453 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,454 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,455 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,455 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,455 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,455 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,456 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,460 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,461 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,461 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,463 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,463 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,464 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,471 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,471 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,471 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,474 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,474 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,474 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,475 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,475 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,476 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,476 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,476 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,477 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,477 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,477 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,478 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,478 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,479 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,479 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,480 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,480 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,481 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,481 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,481 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,482 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,483 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,483 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,483 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,484 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,484 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,484 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,485 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,485 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,485 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,485 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,486 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,486 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,486 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,487 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,487 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,487 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,488 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,488 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,489 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,489 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,489 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,498 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,498 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,500 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,501 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,502 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,503 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,503 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,504 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,504 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,504 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,504 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,506 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,506 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,507 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,507 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,508 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,508 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,508 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,509 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,509 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,511 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,513 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,518 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,521 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,524 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,525 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,528 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:06,528 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:07,238 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:30:07,238 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 263 treesize of output 1317 [2025-04-25 06:30:18,777 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,778 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,779 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,780 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,780 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,781 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,781 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,781 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,782 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,782 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,782 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,783 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,784 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,785 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,785 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,785 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,786 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,787 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,788 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,788 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,789 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,794 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,794 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,795 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,796 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,796 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,797 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,797 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,797 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,798 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,798 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,798 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,799 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,799 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,799 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,800 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,807 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,807 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,808 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,808 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,808 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,809 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,809 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,809 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,810 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,810 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,811 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,812 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,812 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,816 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,816 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,816 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,818 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,819 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,819 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,820 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,821 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,824 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,825 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,826 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,827 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,828 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,828 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,828 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,831 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,831 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,832 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,833 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,833 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,834 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,834 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,835 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,836 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,838 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,839 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,842 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,842 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,843 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,843 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,843 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,844 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,844 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,844 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,844 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,845 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,846 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,846 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,847 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,848 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,849 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,850 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,851 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,852 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,853 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,857 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,857 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,858 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,860 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,861 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,863 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,863 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,863 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,864 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,865 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,867 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:30:18,869 INFO L204 Elim1Store]: Index analysis took 105 ms [2025-04-25 06:30:20,278 INFO L325 Elim1Store]: treesize reduction 138, result has 89.5 percent of original size [2025-04-25 06:30:20,278 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 301 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 134 case distinctions, treesize of input 206 treesize of output 1264 [2025-04-25 06:30:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 1227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:30:22,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [296776147] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:30:22,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:30:22,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 147, 147] total 375 [2025-04-25 06:30:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260353238] [2025-04-25 06:30:22,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:30:22,225 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 376 states [2025-04-25 06:30:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:30:22,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 376 interpolants. [2025-04-25 06:30:22,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9012, Invalid=131988, Unknown=0, NotChecked=0, Total=141000 [2025-04-25 06:30:22,232 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:30:22,232 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:30:22,233 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 376 states, 376 states have (on average 1.7367021276595744) internal successors, (653), 375 states have internal predecessors, (653), 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) [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 465 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:30:22,233 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-04-25 06:31:56,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-04-25 06:31:56,556 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 [2025-04-25 06:31:56,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 06:31:56,556 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 06:31:56,727 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-25 06:31:56,728 WARN L610 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 555 known predicates. [2025-04-25 06:31:56,730 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-04-25 06:31:56,730 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-04-25 06:31:56,730 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-04-25 06:31:56,730 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-04-25 06:31:56,733 INFO L422 BasicCegarLoop]: Path program histogram: [17, 3, 1, 1] [2025-04-25 06:31:56,736 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 06:31:56,736 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 06:31:56,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-25 06:31:56,744 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 06:31:56 BasicIcfg [2025-04-25 06:31:56,744 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 06:31:56,745 INFO L158 Benchmark]: Toolchain (without parser) took 841033.40ms. Allocated memory was 167.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 98.7MB in the beginning and 1.0GB in the end (delta: -940.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2025-04-25 06:31:56,745 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:31:56,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.17ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 97.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:31:56,745 INFO L158 Benchmark]: Boogie Preprocessor took 25.29ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:31:56,745 INFO L158 Benchmark]: RCFGBuilder took 204.96ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 84.6MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-04-25 06:31:56,745 INFO L158 Benchmark]: TraceAbstraction took 840766.76ms. Allocated memory was 167.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 84.6MB in the beginning and 1.0GB in the end (delta: -954.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2025-04-25 06:31:56,746 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 0.14ms. Allocated memory is still 167.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.17ms. Allocated memory is still 167.8MB. Free memory was 98.7MB in the beginning and 97.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 25.29ms. Allocated memory is still 167.8MB. Free memory was 97.6MB in the beginning and 96.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 204.96ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 84.6MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 840766.76ms. Allocated memory was 167.8MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 84.6MB in the beginning and 1.0GB in the end (delta: -954.2MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26104, independent: 18729, independent conditional: 17673, independent unconditional: 1056, dependent: 7375, dependent conditional: 7372, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18786, independent: 18729, independent conditional: 0, independent unconditional: 18729, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 897, independent: 894, independent conditional: 0, independent unconditional: 894, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 897, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 18786, independent: 17835, independent conditional: 0, independent unconditional: 17835, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 897, unknown conditional: 0, unknown unconditional: 897] , Statistics on independence cache: Total cache size (in pairs): 897, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7318, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 110, Number of trivial persistent sets: 54, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26104, independent: 18729, independent conditional: 17673, independent unconditional: 1056, dependent: 7375, dependent conditional: 7372, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18786, independent: 18729, independent conditional: 0, independent unconditional: 18729, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 897, independent: 894, independent conditional: 0, independent unconditional: 894, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 897, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 39, dependent conditional: 0, dependent unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 18786, independent: 17835, independent conditional: 0, independent unconditional: 17835, dependent: 54, dependent conditional: 0, dependent unconditional: 54, unknown: 897, unknown conditional: 0, unknown unconditional: 897] , Statistics on independence cache: Total cache size (in pairs): 897, Positive cache size: 894, Positive conditional cache size: 0, Positive unconditional cache size: 894, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7318 - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 555 known predicates. - TimeoutResultAtElement [Line: 89]: 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 555 known predicates. - TimeoutResultAtElement [Line: 89]: 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 555 known predicates. - TimeoutResultAtElement [Line: 90]: 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 555 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 71 locations, 76 edges, 4 error locations. Started 1 CEGAR loops. OverallTime: 840.6s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 391.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1882, 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: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 443.9s InterpolantComputationTime, 4639 NumberOfCodeBlocks, 4639 NumberOfCodeBlocksAsserted, 148 NumberOfCheckSat, 6690 ConstructedInterpolants, 194 QuantifiedInterpolants, 238247 SizeOfPredicates, 257 NumberOfNonLiveVariables, 5461 ConjunctsInSsa, 1940 ConjunctsInUnsatCore, 58 InterpolantComputations, 5 PerfectInterpolantSequences, 7408/18586 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown