/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/sum-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 06:22:16,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 06:22:16,460 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 06:22:16,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 06:22:16,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 06:22:16,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 06:22:16,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 06:22:16,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 06:22:16,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 06:22:16,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 06:22:16,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 06:22:16,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 06:22:16,489 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 06:22:16,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 06:22:16,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 06:22:16,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:22:16,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:22:16,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 06:22:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 06:22:16,492 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 06:22:16,492 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 06:22:16,492 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 06:22:16,492 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 06:22:16,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 06:22:16,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 06:22:16,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 06:22:16,686 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 06:22:16,688 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 06:22:16,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl [2025-04-25 06:22:16,689 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-fun-alt.wvr.bpl' [2025-04-25 06:22:16,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 06:22:16,707 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 06:22:16,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 06:22:16,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 06:22:16,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 06:22:16,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,732 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 06:22:16,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 06:22:16,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 06:22:16,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 06:22:16,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 06:22:16,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 06:22:16,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 06:22:16,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 06:22:16,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 06:22:16,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/1) ... [2025-04-25 06:22:16,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 06:22:16,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:16,783 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 06:22:16,785 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 06:22:16,809 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 06:22:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 06:22:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 06:22:16,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 06:22:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 06:22:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 06:22:16,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 06:22:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 06:22:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 06:22:16,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 06:22:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 06:22:16,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 06:22:16,811 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 06:22:16,851 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 06:22:16,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 06:22:16,924 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 06:22:16,925 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 06:22:16,937 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 06:22:16,937 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 06:22:16,937 INFO L201 PluginConnector]: Adding new model sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 06:22:16 BoogieIcfgContainer [2025-04-25 06:22:16,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 06:22:16,939 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 06:22:16,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 06:22:16,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 06:22:16,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 06:22:16" (1/2) ... [2025-04-25 06:22:16,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e031d78 and model type sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 06:22:16, skipping insertion in model container [2025-04-25 06:22:16,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 06:22:16" (2/2) ... [2025-04-25 06:22:16,944 INFO L128 eAbstractionObserver]: Analyzing ICFG sum-fun-alt.wvr.bpl [2025-04-25 06:22:16,953 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 06:22:16,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum-fun-alt.wvr.bpl that has 4 procedures, 27 locations, 26 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 06:22:16,955 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 06:22:16,984 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 06:22:17,016 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 06:22:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 06:22:17,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:17,018 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 06:22:17,020 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 06:22:17,058 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 06:22:17,070 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 06:22:17,075 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;@17b83e82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 06:22:17,075 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 06:22:17,120 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 06:22:17,123 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:17,123 INFO L85 PathProgramCache]: Analyzing trace with hash -639917213, now seen corresponding path program 1 times [2025-04-25 06:22:17,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:17,128 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671090338] [2025-04-25 06:22:17,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:17,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:17,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-25 06:22:17,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-25 06:22:17,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:17,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:17,260 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 06:22:17,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:17,261 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671090338] [2025-04-25 06:22:17,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671090338] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:22:17,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:22:17,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 06:22:17,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783083868] [2025-04-25 06:22:17,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:22:17,297 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 06:22:17,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:17,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 06:22:17,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 06:22:17,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,335 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:17,337 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 06:22:17,337 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,375 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:17,376 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 06:22:17,376 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 06:22:17,376 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:17,377 INFO L85 PathProgramCache]: Analyzing trace with hash 125938849, now seen corresponding path program 1 times [2025-04-25 06:22:17,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:17,377 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328051658] [2025-04-25 06:22:17,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:17,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:17,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 06:22:17,399 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 06:22:17,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:17,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:22:17,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:17,518 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328051658] [2025-04-25 06:22:17,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328051658] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:22:17,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:22:17,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 06:22:17,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803553101] [2025-04-25 06:22:17,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:22:17,520 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 06:22:17,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:17,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 06:22:17,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-25 06:22:17,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,521 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:17,521 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:22:17,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:17,521 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,652 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:17,653 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:17,653 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 06:22:17,653 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 06:22:17,654 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:17,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1484983773, now seen corresponding path program 1 times [2025-04-25 06:22:17,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:17,654 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247213288] [2025-04-25 06:22:17,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:17,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 06:22:17,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 06:22:17,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:17,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:17,703 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 06:22:17,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:17,703 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247213288] [2025-04-25 06:22:17,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247213288] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:22:17,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:22:17,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 06:22:17,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970624815] [2025-04-25 06:22:17,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:22:17,704 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 06:22:17,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:17,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 06:22:17,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 06:22:17,705 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,705 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:17,705 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 06:22:17,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:17,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:17,705 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:17,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:17,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:17,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:17,762 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 06:22:17,763 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 06:22:17,763 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:17,763 INFO L85 PathProgramCache]: Analyzing trace with hash -863276901, now seen corresponding path program 1 times [2025-04-25 06:22:17,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:17,763 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141973241] [2025-04-25 06:22:17,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:17,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:17,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 06:22:17,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 06:22:17,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:17,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:18,101 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 06:22:18,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:18,102 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141973241] [2025-04-25 06:22:18,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141973241] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:22:18,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:22:18,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 06:22:18,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491972034] [2025-04-25 06:22:18,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:22:18,102 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 06:22:18,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:18,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 06:22:18,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-25 06:22:18,104 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,104 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:18,104 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 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 06:22:18,104 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,104 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,104 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,104 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:18,234 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 06:22:18,234 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 06:22:18,235 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash 225643481, now seen corresponding path program 2 times [2025-04-25 06:22:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:18,235 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199217697] [2025-04-25 06:22:18,235 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:18,240 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-04-25 06:22:18,249 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 06:22:18,249 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:18,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:18,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:18,326 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199217697] [2025-04-25 06:22:18,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199217697] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 06:22:18,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 06:22:18,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 06:22:18,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962960608] [2025-04-25 06:22:18,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 06:22:18,327 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 06:22:18,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:18,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 06:22:18,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-04-25 06:22:18,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,327 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:18,328 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:22:18,328 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,328 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,328 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,328 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:18,328 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,448 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:18,449 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:18,449 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 06:22:18,449 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 06:22:18,449 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:18,449 INFO L85 PathProgramCache]: Analyzing trace with hash 975672665, now seen corresponding path program 3 times [2025-04-25 06:22:18,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:18,449 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640025630] [2025-04-25 06:22:18,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:18,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:18,465 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 06:22:18,470 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 06:22:18,470 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:22:18,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:18,566 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 06:22:18,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:18,567 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640025630] [2025-04-25 06:22:18,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640025630] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:18,567 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224560155] [2025-04-25 06:22:18,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:18,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:18,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:18,571 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 06:22:18,572 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 06:22:18,593 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 06:22:18,600 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 06:22:18,600 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:22:18,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:18,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-25 06:22:18,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:18,680 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 06:22:18,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:18,780 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 06:22:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224560155] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:18,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-04-25 06:22:18,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159769277] [2025-04-25 06:22:18,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:18,780 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 06:22:18,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:18,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 06:22:18,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2025-04-25 06:22:18,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,781 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:18,781 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 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 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:18,781 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:18,983 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:18,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:18,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:18,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:18,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:18,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 06:22:18,990 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 06:22:19,189 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,SelfDestructingSolverStorable5 [2025-04-25 06:22:19,190 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 06:22:19,190 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:19,190 INFO L85 PathProgramCache]: Analyzing trace with hash -684979945, now seen corresponding path program 4 times [2025-04-25 06:22:19,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:19,190 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733506343] [2025-04-25 06:22:19,190 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:19,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:19,193 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 06:22:19,199 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:19,199 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:19,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:19,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:19,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733506343] [2025-04-25 06:22:19,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733506343] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:19,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086400043] [2025-04-25 06:22:19,577 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:19,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:19,580 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 06:22:19,581 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 06:22:19,601 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 26 statements into 2 equivalence classes. [2025-04-25 06:22:19,609 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:19,609 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:19,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:19,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 06:22:19,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:19,858 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2025-04-25 06:22:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:19,872 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:19,971 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:19,971 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 21 treesize of output 46 [2025-04-25 06:22:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:20,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086400043] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:20,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:20,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 23 [2025-04-25 06:22:20,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95873089] [2025-04-25 06:22:20,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:20,106 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-25 06:22:20,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:20,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-25 06:22:20,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2025-04-25 06:22:20,107 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:20,107 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:20,107 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.5416666666666665) internal successors, (61), 23 states have internal predecessors, (61), 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 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 06:22:20,107 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:20,703 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 06:22:20,704 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:22:20,709 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 06:22:20,904 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:20,905 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 06:22:20,905 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:20,905 INFO L85 PathProgramCache]: Analyzing trace with hash -733847537, now seen corresponding path program 5 times [2025-04-25 06:22:20,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:20,905 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329906008] [2025-04-25 06:22:20,905 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:22:20,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:20,912 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 06:22:20,939 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 06:22:20,939 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 06:22:20,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-25 06:22:21,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:21,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329906008] [2025-04-25 06:22:21,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329906008] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:21,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695826162] [2025-04-25 06:22:21,382 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:22:21,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:21,386 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 06:22:21,387 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 06:22:21,404 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 34 statements into 4 equivalence classes. [2025-04-25 06:22:21,412 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 06:22:21,413 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 06:22:21,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:21,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-04-25 06:22:21,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:21,704 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2025-04-25 06:22:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:21,712 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:21,957 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:21,958 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 41 treesize of output 166 [2025-04-25 06:22:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:22,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695826162] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:22,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:22,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 13] total 31 [2025-04-25 06:22:22,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979943794] [2025-04-25 06:22:22,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:22,483 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-04-25 06:22:22,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:22,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-04-25 06:22:22,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=836, Unknown=0, NotChecked=0, Total=992 [2025-04-25 06:22:22,484 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:22,484 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:22,484 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.375) internal successors, (76), 31 states have internal predecessors, (76), 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 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 06:22:22,484 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:24,636 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:24,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:22:24,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-25 06:22:24,837 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:24,837 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 06:22:24,838 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1372073571, now seen corresponding path program 1 times [2025-04-25 06:22:24,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:24,838 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917840981] [2025-04-25 06:22:24,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:24,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:24,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 06:22:24,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:24,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:24,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:24,878 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 06:22:24,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:24,879 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917840981] [2025-04-25 06:22:24,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917840981] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:24,879 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826116584] [2025-04-25 06:22:24,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 06:22:24,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:24,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:24,881 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 06:22:24,882 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 06:22:24,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 06:22:24,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:24,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:24,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:24,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 06:22:24,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:24,948 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 06:22:24,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:24,988 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 06:22:24,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826116584] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:24,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:24,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-04-25 06:22:24,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648438361] [2025-04-25 06:22:24,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:24,989 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-25 06:22:24,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:24,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-25 06:22:24,989 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-04-25 06:22:24,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:24,989 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:24,989 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 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 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:22:24,990 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:25,188 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:22:25,189 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:25,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-25 06:22:25,389 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,SelfDestructingSolverStorable8 [2025-04-25 06:22:25,390 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 06:22:25,390 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:25,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1745642967, now seen corresponding path program 2 times [2025-04-25 06:22:25,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:25,390 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798878106] [2025-04-25 06:22:25,390 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:25,392 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 06:22:25,396 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:25,396 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:25,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:25,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:25,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798878106] [2025-04-25 06:22:25,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798878106] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:25,577 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396757707] [2025-04-25 06:22:25,577 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:25,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:25,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:25,578 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 06:22:25,579 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 06:22:25,594 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 06:22:25,600 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 06:22:25,600 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:25,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:25,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 06:22:25,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:25,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:25,762 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:25,763 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2025-04-25 06:22:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:25,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:26,052 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:26,053 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:26,066 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:26,067 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 17 treesize of output 42 [2025-04-25 06:22:26,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:26,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396757707] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:26,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:26,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-04-25 06:22:26,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24055410] [2025-04-25 06:22:26,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:26,193 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-25 06:22:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:26,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-25 06:22:26,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=592, Unknown=0, NotChecked=0, Total=702 [2025-04-25 06:22:26,193 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:26,193 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:26,194 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.259259259259259) internal successors, (61), 27 states have internal predecessors, (61), 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 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:26,194 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:27,656 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 06:22:27,662 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 06:22:27,857 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-25 06:22:27,857 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 06:22:27,857 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:27,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1116430507, now seen corresponding path program 3 times [2025-04-25 06:22:27,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:27,858 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502574923] [2025-04-25 06:22:27,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:27,859 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 06:22:27,862 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 06:22:27,862 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:22:27,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:27,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:27,920 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502574923] [2025-04-25 06:22:27,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502574923] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:27,920 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931244150] [2025-04-25 06:22:27,920 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:27,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:27,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:27,922 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 06:22:27,923 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 06:22:27,940 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 28 statements into 2 equivalence classes. [2025-04-25 06:22:27,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-04-25 06:22:27,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 06:22:27,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:27,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-25 06:22:27,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:28,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:28,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931244150] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:28,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:28,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-04-25 06:22:28,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143596253] [2025-04-25 06:22:28,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:28,084 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-25 06:22:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:28,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-25 06:22:28,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2025-04-25 06:22:28,084 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:28,084 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:28,085 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 06:22:28,085 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:28,493 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:28,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:22:28,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:28,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-25 06:22:28,694 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,SelfDestructingSolverStorable10 [2025-04-25 06:22:28,694 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 06:22:28,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:28,695 INFO L85 PathProgramCache]: Analyzing trace with hash 888168531, now seen corresponding path program 4 times [2025-04-25 06:22:28,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:28,695 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741340275] [2025-04-25 06:22:28,695 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:28,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:28,697 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 06:22:28,701 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 06:22:28,702 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:28,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:28,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:28,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:28,983 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741340275] [2025-04-25 06:22:28,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741340275] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:28,983 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470531835] [2025-04-25 06:22:28,983 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:28,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:28,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:28,988 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 06:22:28,989 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 06:22:29,009 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-04-25 06:22:29,016 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 06:22:29,016 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:29,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:29,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 06:22:29,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:29,312 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-04-25 06:22:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:29,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:29,485 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:29,485 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 29 treesize of output 114 [2025-04-25 06:22:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:29,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470531835] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:29,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:29,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 29 [2025-04-25 06:22:29,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432999353] [2025-04-25 06:22:29,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:29,821 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-25 06:22:29,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:29,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-25 06:22:29,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2025-04-25 06:22:29,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:29,822 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:29,822 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.413793103448276) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:29,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:31,125 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:31,126 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-04-25 06:22:31,132 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 06:22:31,326 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:31,327 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 06:22:31,327 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:31,327 INFO L85 PathProgramCache]: Analyzing trace with hash -515642671, now seen corresponding path program 5 times [2025-04-25 06:22:31,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:31,327 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690794227] [2025-04-25 06:22:31,327 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:22:31,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:31,329 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 06:22:31,334 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:31,334 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:31,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:22:31,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:31,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690794227] [2025-04-25 06:22:31,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690794227] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:31,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798841662] [2025-04-25 06:22:31,390 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:22:31,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:31,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:31,392 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 06:22:31,393 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 06:22:31,411 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-04-25 06:22:31,419 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:31,419 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:31,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:31,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 06:22:31,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:22:31,484 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:31,571 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:22:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798841662] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:31,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:31,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-04-25 06:22:31,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818670543] [2025-04-25 06:22:31,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:31,572 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-25 06:22:31,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:31,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-25 06:22:31,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-04-25 06:22:31,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:31,573 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:31,573 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.411764705882353) internal successors, (58), 17 states have internal predecessors, (58), 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 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-04-25 06:22:31,573 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:32,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:32,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:32,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:32,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:32,519 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:32,520 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:32,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-04-25 06:22:32,720 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:32,720 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 06:22:32,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1981908781, now seen corresponding path program 6 times [2025-04-25 06:22:32,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:32,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911802159] [2025-04-25 06:22:32,721 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:22:32,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:32,723 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 06:22:32,727 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 06:22:32,727 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 06:22:32,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:32,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:32,959 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911802159] [2025-04-25 06:22:32,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911802159] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:32,960 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689945373] [2025-04-25 06:22:32,960 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:22:32,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:32,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:32,962 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 06:22:32,963 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 06:22:32,979 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 30 statements into 2 equivalence classes. [2025-04-25 06:22:32,990 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 06:22:32,990 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-04-25 06:22:32,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:32,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 06:22:32,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:33,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:33,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:33,200 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:33,200 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2025-04-25 06:22:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:33,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:33,303 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:33,337 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:33,337 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 29 treesize of output 114 [2025-04-25 06:22:33,737 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:33,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689945373] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:33,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:33,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2025-04-25 06:22:33,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755429704] [2025-04-25 06:22:33,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:33,738 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-25 06:22:33,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:33,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-25 06:22:33,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2025-04-25 06:22:33,739 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:33,739 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:33,739 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.423076923076923) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:33,739 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:33,740 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:34,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:34,481 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 06:22:34,676 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,SelfDestructingSolverStorable13 [2025-04-25 06:22:34,676 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 06:22:34,677 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:34,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1290935471, now seen corresponding path program 7 times [2025-04-25 06:22:34,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:34,677 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508258554] [2025-04-25 06:22:34,677 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:22:34,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:34,679 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 06:22:34,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:34,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:34,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:34,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:34,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508258554] [2025-04-25 06:22:34,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508258554] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:34,746 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142190789] [2025-04-25 06:22:34,747 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:22:34,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:34,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:34,749 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 06:22:34,750 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 06:22:34,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-25 06:22:34,774 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:34,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:22:34,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:34,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 06:22:34,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:34,871 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:34,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142190789] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:34,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:34,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2025-04-25 06:22:34,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546685747] [2025-04-25 06:22:34,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:34,983 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-04-25 06:22:34,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:34,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-04-25 06:22:34,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-04-25 06:22:34,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:34,984 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:34,984 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.9583333333333335) internal successors, (71), 24 states have internal predecessors, (71), 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 06:22:34,984 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:34,984 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:34,984 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:34,984 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:34,985 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:35,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:35,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:35,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:35,780 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:22:35,781 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:22:35,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-25 06:22:35,981 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:35,982 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 06:22:35,982 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:35,982 INFO L85 PathProgramCache]: Analyzing trace with hash -877726517, now seen corresponding path program 8 times [2025-04-25 06:22:35,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:35,982 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722768610] [2025-04-25 06:22:35,982 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:35,984 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:22:35,992 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:22:35,992 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:35,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:36,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:36,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:36,460 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722768610] [2025-04-25 06:22:36,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722768610] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:36,460 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641668254] [2025-04-25 06:22:36,460 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:22:36,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:36,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:36,462 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 06:22:36,464 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 06:22:36,481 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:22:36,489 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:22:36,489 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:22:36,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:36,490 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-25 06:22:36,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:37,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,090 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,091 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,092 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:37,095 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:37,095 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 25 [2025-04-25 06:22:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:37,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:37,722 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,723 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,723 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,723 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,727 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,729 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,732 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,734 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:37,848 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:37,848 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 20 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 47 treesize of output 252 [2025-04-25 06:22:40,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:40,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641668254] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:40,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:40,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 17] total 47 [2025-04-25 06:22:40,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919227350] [2025-04-25 06:22:40,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:40,027 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-25 06:22:40,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:40,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-25 06:22:40,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1917, Unknown=0, NotChecked=0, Total=2162 [2025-04-25 06:22:40,028 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:40,028 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:40,028 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 2.0638297872340425) internal successors, (97), 47 states have internal predecessors, (97), 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 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:22:40,028 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:50,164 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:22:50,165 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:22:50,165 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:22:50,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-25 06:22:50,366 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,SelfDestructingSolverStorable15 [2025-04-25 06:22:50,366 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 06:22:50,366 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:50,366 INFO L85 PathProgramCache]: Analyzing trace with hash -741451183, now seen corresponding path program 9 times [2025-04-25 06:22:50,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:50,366 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446686347] [2025-04-25 06:22:50,366 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:50,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:50,368 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 32 statements into 3 equivalence classes. [2025-04-25 06:22:50,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:50,371 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 06:22:50,371 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:50,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:50,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446686347] [2025-04-25 06:22:50,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446686347] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:50,425 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96014013] [2025-04-25 06:22:50,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:22:50,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:50,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:50,427 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 06:22:50,428 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 06:22:50,447 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 32 statements into 3 equivalence classes. [2025-04-25 06:22:50,455 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 32 of 32 statements. [2025-04-25 06:22:50,455 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 06:22:50,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:50,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-25 06:22:50,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:50,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:50,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96014013] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:22:50,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:22:50,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2025-04-25 06:22:50,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845622667] [2025-04-25 06:22:50,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:22:50,626 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-25 06:22:50,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:22:50,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-25 06:22:50,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2025-04-25 06:22:50,627 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:50,627 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:22:50,627 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 19 states have internal predecessors, (59), 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 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:22:50,627 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:22:51,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-25 06:22:51,204 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 06:22:51,396 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,SelfDestructingSolverStorable16 [2025-04-25 06:22:51,396 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 06:22:51,396 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:22:51,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1082875215, now seen corresponding path program 10 times [2025-04-25 06:22:51,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:22:51,396 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275880930] [2025-04-25 06:22:51,396 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:51,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:22:51,398 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 34 statements into 2 equivalence classes. [2025-04-25 06:22:51,402 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 06:22:51,402 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:51,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:51,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:22:51,705 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275880930] [2025-04-25 06:22:51,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275880930] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:22:51,705 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521006543] [2025-04-25 06:22:51,705 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:22:51,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:22:51,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:22:51,707 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 06:22:51,709 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 06:22:51,725 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 34 statements into 2 equivalence classes. [2025-04-25 06:22:51,732 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 06:22:51,732 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:22:51,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:22:51,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-04-25 06:22:51,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:22:52,132 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:52,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:52,136 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:52,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:52,137 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:22:52,157 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:52,157 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 35 treesize of output 73 [2025-04-25 06:22:52,293 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:22:52,294 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:22:52,613 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:22:52,704 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:22:52,704 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 5 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 23 case distinctions, treesize of input 37 treesize of output 220 [2025-04-25 06:22:57,812 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:57,931 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:22:58,061 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:22:58,250 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-04-25 06:22:58,509 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:22:58,538 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:58,739 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:58,904 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:59,084 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:59,126 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:22:59,224 WARN L656 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-04-25 06:22:59,278 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:59,318 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:22:59,383 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:22:59,770 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,201 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,295 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,322 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:23:00,359 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,393 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,868 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,902 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:00,934 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:23:00,974 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:01,002 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:01,109 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:01,177 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:01,952 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:02,236 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:02,624 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:03,543 WARN L656 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-04-25 06:23:04,554 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:06,049 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:06,089 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:06,821 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:06,897 WARN L656 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-04-25 06:23:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:09,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521006543] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:09,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:09,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2025-04-25 06:23:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604968903] [2025-04-25 06:23:09,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:09,873 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-25 06:23:09,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:09,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-25 06:23:09,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1160, Unknown=0, NotChecked=0, Total=1332 [2025-04-25 06:23:09,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:09,874 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:09,874 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 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 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:09,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:23:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-25 06:23:09,875 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:12,190 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:23:12,191 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:12,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-25 06:23:12,391 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,SelfDestructingSolverStorable17 [2025-04-25 06:23:12,391 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 06:23:12,391 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:12,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1913886925, now seen corresponding path program 11 times [2025-04-25 06:23:12,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:12,392 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666663694] [2025-04-25 06:23:12,392 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:23:12,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:12,393 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:12,396 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:12,396 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:23:12,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:12,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:12,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666663694] [2025-04-25 06:23:12,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666663694] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:12,455 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193999837] [2025-04-25 06:23:12,455 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:23:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:12,457 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 06:23:12,458 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 06:23:12,476 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:12,483 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:12,483 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:23:12,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:12,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-25 06:23:12,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:12,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193999837] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:12,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 12] total 22 [2025-04-25 06:23:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30510172] [2025-04-25 06:23:12,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:12,700 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-25 06:23:12,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:12,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-25 06:23:12,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2025-04-25 06:23:12,700 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:12,700 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:12,700 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.3636363636363638) internal successors, (74), 22 states have internal predecessors, (74), 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 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:12,700 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:12,701 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:13,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:13,377 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:13,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-04-25 06:23:13,578 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:13,578 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 06:23:13,578 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:13,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1297057741, now seen corresponding path program 12 times [2025-04-25 06:23:13,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:13,578 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966377293] [2025-04-25 06:23:13,578 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:23:13,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:13,580 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:13,583 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:13,583 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:23:13,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:13,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:13,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966377293] [2025-04-25 06:23:13,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966377293] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:13,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45557792] [2025-04-25 06:23:13,648 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:23:13,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:13,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:13,650 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 06:23:13,651 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 06:23:13,669 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:13,676 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:13,676 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:23:13,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:13,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 06:23:13,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:13,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:13,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45557792] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:13,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:13,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2025-04-25 06:23:13,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863903215] [2025-04-25 06:23:13,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:13,864 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-04-25 06:23:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:13,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-04-25 06:23:13,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2025-04-25 06:23:13,866 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:13,867 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:13,867 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.15) internal successors, (63), 20 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:13,867 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:14,402 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:14,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:14,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:14,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:14,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:14,403 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:14,406 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-25 06:23:14,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-04-25 06:23:14,606 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:14,606 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 06:23:14,607 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:14,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1584864203, now seen corresponding path program 13 times [2025-04-25 06:23:14,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:14,607 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143872729] [2025-04-25 06:23:14,607 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:23:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:14,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-25 06:23:14,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:23:14,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:23:14,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:14,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:14,902 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143872729] [2025-04-25 06:23:14,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143872729] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:14,902 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751000449] [2025-04-25 06:23:14,902 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:23:14,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:14,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:14,904 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 06:23:14,904 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 06:23:14,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-04-25 06:23:14,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:23:14,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:23:14,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:14,927 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-25 06:23:14,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:15,334 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2025-04-25 06:23:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:15,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:15,653 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:15,814 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:23:15,814 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 49 treesize of output 312 [2025-04-25 06:23:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:22,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751000449] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:22,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:22,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 42 [2025-04-25 06:23:22,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440221527] [2025-04-25 06:23:22,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:22,397 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-04-25 06:23:22,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:22,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-04-25 06:23:22,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1559, Unknown=0, NotChecked=0, Total=1722 [2025-04-25 06:23:22,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:22,398 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:22,399 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.3095238095238093) internal successors, (97), 42 states have internal predecessors, (97), 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 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-25 06:23:22,399 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:26,267 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-04-25 06:23:26,273 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 06:23:26,468 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:26,468 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 06:23:26,468 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:26,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1006000055, now seen corresponding path program 14 times [2025-04-25 06:23:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:26,468 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616716134] [2025-04-25 06:23:26,468 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:23:26,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:26,470 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-04-25 06:23:26,472 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 06:23:26,472 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:23:26,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:23:26,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:26,554 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616716134] [2025-04-25 06:23:26,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616716134] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:26,554 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845140069] [2025-04-25 06:23:26,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:23:26,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:26,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:26,556 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 06:23:26,558 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 06:23:26,574 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-04-25 06:23:26,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 06:23:26,583 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:23:26,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:26,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-25 06:23:26,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:23:26,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:26,800 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:23:26,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845140069] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:26,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:26,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2025-04-25 06:23:26,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492898073] [2025-04-25 06:23:26,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:26,801 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-25 06:23:26,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:26,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-25 06:23:26,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2025-04-25 06:23:26,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:26,801 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:26,801 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.16) internal successors, (79), 25 states have internal predecessors, (79), 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 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:26,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-04-25 06:23:26,802 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:28,425 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:28,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:28,432 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 06:23:28,627 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-25 06:23:28,627 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:23:28,627 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:28,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1573019571, now seen corresponding path program 15 times [2025-04-25 06:23:28,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:28,627 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145825203] [2025-04-25 06:23:28,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:23:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:28,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:28,631 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:28,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 06:23:28,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:28,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:28,694 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145825203] [2025-04-25 06:23:28,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145825203] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:28,694 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346657233] [2025-04-25 06:23:28,694 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:23:28,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:28,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:28,696 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 06:23:28,698 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 06:23:28,718 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 3 equivalence classes. [2025-04-25 06:23:28,726 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 36 of 36 statements. [2025-04-25 06:23:28,727 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 06:23:28,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:28,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 06:23:28,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:28,819 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:28,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346657233] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:28,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:28,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 25 [2025-04-25 06:23:28,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871726767] [2025-04-25 06:23:28,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:28,925 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-04-25 06:23:28,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:28,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-04-25 06:23:28,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2025-04-25 06:23:28,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:28,926 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:28,926 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.0) internal successors, (75), 25 states have internal predecessors, (75), 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 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:28,926 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:28,927 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:30,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:30,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 06:23:30,047 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 06:23:30,242 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:30,242 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:23:30,242 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:30,242 INFO L85 PathProgramCache]: Analyzing trace with hash 809571403, now seen corresponding path program 16 times [2025-04-25 06:23:30,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:30,242 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484008751] [2025-04-25 06:23:30,242 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:23:30,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:30,244 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:23:30,249 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:23:30,249 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:23:30,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:30,585 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 06:23:30,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:30,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484008751] [2025-04-25 06:23:30,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484008751] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:30,585 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152094290] [2025-04-25 06:23:30,585 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:23:30,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:30,587 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 06:23:30,588 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 06:23:30,603 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 38 statements into 2 equivalence classes. [2025-04-25 06:23:30,609 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-04-25 06:23:30,609 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:23:30,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:30,610 WARN L254 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-04-25 06:23:30,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:30,991 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2025-04-25 06:23:30,996 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 06:23:30,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:31,291 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:31,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:31,429 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:23:31,429 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 3 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 42 case distinctions, treesize of input 49 treesize of output 314 [2025-04-25 06:23:38,364 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 06:23:38,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152094290] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:38,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:38,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2025-04-25 06:23:38,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176099751] [2025-04-25 06:23:38,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:38,365 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-25 06:23:38,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:38,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-25 06:23:38,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1646, Unknown=0, NotChecked=0, Total=1806 [2025-04-25 06:23:38,365 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:38,365 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:38,365 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.255813953488372) internal successors, (97), 43 states have internal predecessors, (97), 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 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 06:23:38,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:43,441 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:43,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:23:43,442 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:23:43,447 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 06:23:43,642 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,SelfDestructingSolverStorable23 [2025-04-25 06:23:43,642 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:23:43,643 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:43,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1261928649, now seen corresponding path program 17 times [2025-04-25 06:23:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:43,643 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940522882] [2025-04-25 06:23:43,643 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:23:43,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:43,645 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 3 equivalence classes. [2025-04-25 06:23:43,647 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 06:23:43,647 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:23:43,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:43,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:43,711 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940522882] [2025-04-25 06:23:43,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940522882] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:43,711 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813648132] [2025-04-25 06:23:43,711 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:23:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:43,712 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:23:43,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-04-25 06:23:43,732 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 3 equivalence classes. [2025-04-25 06:23:43,740 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 06:23:43,740 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 06:23:43,740 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:43,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-25 06:23:43,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:43,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:44,016 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:44,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813648132] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:44,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:44,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 14] total 28 [2025-04-25 06:23:44,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618238811] [2025-04-25 06:23:44,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:44,016 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-25 06:23:44,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:44,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-25 06:23:44,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2025-04-25 06:23:44,017 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:44,017 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:44,017 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.2142857142857144) internal successors, (90), 28 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:44,017 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:23:44,018 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:45,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:45,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:45,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:45,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:23:45,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:23:45,626 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-04-25 06:23:45,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-04-25 06:23:45,826 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-25 06:23:45,826 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:23:45,827 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:23:45,827 INFO L85 PathProgramCache]: Analyzing trace with hash -58271677, now seen corresponding path program 18 times [2025-04-25 06:23:45,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:23:45,827 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336911205] [2025-04-25 06:23:45,827 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:23:45,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:23:45,829 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 3 equivalence classes. [2025-04-25 06:23:45,833 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:23:45,833 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:23:45,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:46,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:23:46,283 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336911205] [2025-04-25 06:23:46,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336911205] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:23:46,283 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537940043] [2025-04-25 06:23:46,283 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:23:46,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:23:46,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:23:46,285 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:23:46,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-25 06:23:46,301 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 3 equivalence classes. [2025-04-25 06:23:46,311 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:23:46,311 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-25 06:23:46,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:23:46,312 WARN L254 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-25 06:23:46,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:23:46,952 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:46,952 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,954 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,955 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:46,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,956 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,957 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:23:46,959 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 21 [2025-04-25 06:23:46,963 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:46,963 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:23:47,773 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,774 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,774 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,775 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,776 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,779 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,779 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,781 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,781 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,782 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,783 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,784 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,785 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,786 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,787 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,788 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,788 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,790 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,792 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,794 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:47,797 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:23:48,065 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:23:48,065 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 43 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 48 case distinctions, treesize of input 67 treesize of output 478 [2025-04-25 06:23:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:23:52,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537940043] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:23:52,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:23:52,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 21] total 49 [2025-04-25 06:23:52,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740634883] [2025-04-25 06:23:52,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:23:52,571 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-25 06:23:52,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:23:52,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-25 06:23:52,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=2041, Unknown=0, NotChecked=0, Total=2352 [2025-04-25 06:23:52,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:52,572 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:23:52,572 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.204081632653061) internal successors, (108), 49 states have internal predecessors, (108), 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 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2025-04-25 06:23:52,572 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:23:58,099 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-25 06:24:04,103 WARN L532 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 06:24:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:14,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-04-25 06:24:14,495 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-25 06:24:14,495 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:24:14,495 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:24:14,495 INFO L85 PathProgramCache]: Analyzing trace with hash -806241081, now seen corresponding path program 19 times [2025-04-25 06:24:14,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:24:14,496 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186875645] [2025-04-25 06:24:14,496 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:24:14,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:24:14,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-25 06:24:14,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-25 06:24:14,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:24:14,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:14,896 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:14,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:24:14,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186875645] [2025-04-25 06:24:14,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186875645] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:24:14,896 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564977094] [2025-04-25 06:24:14,896 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:24:14,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:24:14,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:24:14,898 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:24:14,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-04-25 06:24:14,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-04-25 06:24:14,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-04-25 06:24:14,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:24:14,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:14,926 WARN L254 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjuncts are in the unsatisfiable core [2025-04-25 06:24:14,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:24:15,418 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2025-04-25 06:24:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:15,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:24:16,074 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:24:16,074 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 3 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 63 case distinctions, treesize of input 59 treesize of output 458 [2025-04-25 06:24:43,855 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:43,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564977094] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:24:43,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:24:43,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 18] total 49 [2025-04-25 06:24:43,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346340751] [2025-04-25 06:24:43,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:24:43,856 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-25 06:24:43,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:24:43,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-25 06:24:43,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=2153, Unknown=0, NotChecked=0, Total=2352 [2025-04-25 06:24:43,857 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:24:43,857 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:24:43,857 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.2244897959183674) internal successors, (109), 49 states have internal predecessors, (109), 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 06:24:43,857 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:43,857 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:43,857 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:43,857 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:43,857 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:43,858 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:24:51,236 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:51,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:51,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2025-04-25 06:24:51,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-25 06:24:51,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-25 06:24:51,439 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:24:51,439 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:24:51,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1050674619, now seen corresponding path program 20 times [2025-04-25 06:24:51,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:24:51,439 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114319503] [2025-04-25 06:24:51,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:24:51,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:24:51,443 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-04-25 06:24:51,444 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 06:24:51,444 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:24:51,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:24:51,527 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114319503] [2025-04-25 06:24:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114319503] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:24:51,527 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575783000] [2025-04-25 06:24:51,527 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:24:51,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:24:51,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:24:51,529 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:24:51,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-04-25 06:24:51,547 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-04-25 06:24:51,554 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 06:24:51,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:24:51,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:51,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-25 06:24:51,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:24:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:51,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:24:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:51,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575783000] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:24:51,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:24:51,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 15] total 30 [2025-04-25 06:24:51,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58812179] [2025-04-25 06:24:51,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:24:51,822 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-04-25 06:24:51,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:24:51,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-04-25 06:24:51,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=635, Unknown=0, NotChecked=0, Total=870 [2025-04-25 06:24:51,823 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:24:51,823 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:24:51,823 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.1666666666666665) internal successors, (95), 30 states have internal predecessors, (95), 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 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2025-04-25 06:24:51,823 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:24:53,263 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:53,264 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:24:53,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-04-25 06:24:53,465 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:24:53,465 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:24:53,465 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:24:53,465 INFO L85 PathProgramCache]: Analyzing trace with hash -35569853, now seen corresponding path program 21 times [2025-04-25 06:24:53,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:24:53,465 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110480875] [2025-04-25 06:24:53,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:24:53,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:24:53,467 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 4 equivalence classes. [2025-04-25 06:24:53,472 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:24:53,473 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 06:24:53,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:53,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:53,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:24:53,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110480875] [2025-04-25 06:24:53,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110480875] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:24:53,977 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351616861] [2025-04-25 06:24:53,977 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:24:53,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:24:53,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:24:53,979 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:24:53,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-04-25 06:24:53,995 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 4 equivalence classes. [2025-04-25 06:24:54,005 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:24:54,005 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 06:24:54,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:24:54,006 WARN L254 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-04-25 06:24:54,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:24:54,731 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,732 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,733 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,738 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,739 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,742 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,746 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:24:54,838 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:24:54,838 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 41 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 25 case distinctions, treesize of input 57 treesize of output 221 [2025-04-25 06:24:55,091 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:55,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:24:55,617 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:24:55,618 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 31 treesize of output 118 [2025-04-25 06:24:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:24:56,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351616861] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:24:56,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:24:56,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 23] total 55 [2025-04-25 06:24:56,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948143578] [2025-04-25 06:24:56,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:24:56,027 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-04-25 06:24:56,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:24:56,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-04-25 06:24:56,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2750, Unknown=0, NotChecked=0, Total=2970 [2025-04-25 06:24:56,028 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:24:56,028 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:24:56,029 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.9272727272727272) internal successors, (106), 55 states have internal predecessors, (106), 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 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:24:56,029 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:13,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:25:13,619 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2025-04-25 06:25:13,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-04-25 06:25:13,819 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-25 06:25:13,820 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:25:13,820 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:25:13,820 INFO L85 PathProgramCache]: Analyzing trace with hash 830000577, now seen corresponding path program 22 times [2025-04-25 06:25:13,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:25:13,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851422984] [2025-04-25 06:25:13,820 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:25:13,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:25:13,822 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-04-25 06:25:13,824 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 06:25:13,824 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:25:13,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:25:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:25:13,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:25:13,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851422984] [2025-04-25 06:25:13,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851422984] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:25:13,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77964653] [2025-04-25 06:25:13,934 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:25:13,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:25:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:25:13,936 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:25:13,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-04-25 06:25:13,956 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 48 statements into 2 equivalence classes. [2025-04-25 06:25:13,966 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-25 06:25:13,966 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:25:13,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:25:13,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-25 06:25:13,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:25:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:25:14,115 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:25:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:25:14,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77964653] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:25:14,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:25:14,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 16] total 31 [2025-04-25 06:25:14,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383903239] [2025-04-25 06:25:14,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:25:14,288 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-25 06:25:14,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:25:14,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-25 06:25:14,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=688, Unknown=0, NotChecked=0, Total=930 [2025-04-25 06:25:14,289 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:25:14,289 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:25:14,289 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 3.193548387096774) internal successors, (99), 31 states have internal predecessors, (99), 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 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:25:14,289 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:25:14,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:14,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:25:14,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2025-04-25 06:25:14,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:15,517 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2025-04-25 06:25:15,518 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:25:15,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-04-25 06:25:15,718 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:25:15,719 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:25:15,719 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:25:15,719 INFO L85 PathProgramCache]: Analyzing trace with hash -887938113, now seen corresponding path program 23 times [2025-04-25 06:25:15,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:25:15,719 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249768497] [2025-04-25 06:25:15,719 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:25:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:25:15,721 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 4 equivalence classes. [2025-04-25 06:25:15,730 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 06:25:15,730 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 06:25:15,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:25:16,210 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 06:25:16,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:25:16,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249768497] [2025-04-25 06:25:16,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249768497] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:25:16,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241667656] [2025-04-25 06:25:16,211 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:25:16,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:25:16,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:25:16,213 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:25:16,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-04-25 06:25:16,229 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 4 equivalence classes. [2025-04-25 06:25:16,241 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 06:25:16,241 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2025-04-25 06:25:16,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:25:16,242 WARN L254 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-04-25 06:25:16,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:25:17,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,001 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,005 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,006 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,007 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,010 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,011 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,013 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,014 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,015 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,016 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,017 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-25 06:25:17,064 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:25:17,064 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 63 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 15 case distinctions, treesize of input 63 treesize of output 143 [2025-04-25 06:25:17,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:25:17,147 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:25:17,790 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,791 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,792 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,792 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,800 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,801 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,802 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,812 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,813 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:17,821 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:25:18,311 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:25:18,312 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 51 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 69 case distinctions, treesize of input 79 treesize of output 690 [2025-04-25 06:26:09,132 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:09,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241667656] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:26:09,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:26:09,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 23, 23] total 57 [2025-04-25 06:26:09,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214140138] [2025-04-25 06:26:09,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:26:09,133 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-25 06:26:09,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:26:09,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-25 06:26:09,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=338, Invalid=2854, Unknown=0, NotChecked=0, Total=3192 [2025-04-25 06:26:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:09,134 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:26:09,134 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 2.2280701754385963) internal successors, (127), 57 states have internal predecessors, (127), 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 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:09,134 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:09,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:17,882 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:17,883 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 06:26:17,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-04-25 06:26:17,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:17,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:17,884 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:17,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-04-25 06:26:18,084 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:18,084 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:26:18,085 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:26:18,085 INFO L85 PathProgramCache]: Analyzing trace with hash -2062608445, now seen corresponding path program 24 times [2025-04-25 06:26:18,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:26:18,085 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926333474] [2025-04-25 06:26:18,085 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:26:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:26:18,087 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 4 equivalence classes. [2025-04-25 06:26:18,094 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:26:18,094 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-25 06:26:18,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:26:18,636 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926333474] [2025-04-25 06:26:18,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926333474] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:26:18,637 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241328260] [2025-04-25 06:26:18,637 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:26:18,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:18,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:26:18,638 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:26:18,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-04-25 06:26:18,658 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 4 equivalence classes. [2025-04-25 06:26:18,670 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 06:26:18,670 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-25 06:26:18,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:18,671 WARN L254 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-04-25 06:26:18,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:26:19,468 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 21 [2025-04-25 06:26:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:19,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:26:20,186 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,190 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,191 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,191 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,191 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,192 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:20,256 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:26:20,257 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 41 treesize of output 170 [2025-04-25 06:26:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:20,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241328260] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:26:20,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:26:20,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 22] total 54 [2025-04-25 06:26:20,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678816554] [2025-04-25 06:26:20,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:26:20,611 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-04-25 06:26:20,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:26:20,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-04-25 06:26:20,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=2397, Unknown=0, NotChecked=0, Total=2862 [2025-04-25 06:26:20,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:20,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:26:20,612 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.074074074074074) internal successors, (112), 54 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 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:20,612 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:32,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:32,238 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2025-04-25 06:26:32,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-04-25 06:26:32,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:32,439 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:26:32,439 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:26:32,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1409266499, now seen corresponding path program 25 times [2025-04-25 06:26:32,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:26:32,439 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817136395] [2025-04-25 06:26:32,439 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:26:32,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:26:32,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-25 06:26:32,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:26:32,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:26:32,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:32,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:26:32,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817136395] [2025-04-25 06:26:32,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817136395] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:26:32,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496887174] [2025-04-25 06:26:32,568 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 06:26:32,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:32,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:26:32,570 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:26:32,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-04-25 06:26:32,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-25 06:26:32,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:26:32,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 06:26:32,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:32,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-25 06:26:32,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:26:32,798 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 33 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 06:26:32,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:26:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 19 proven. 33 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 06:26:33,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496887174] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:26:33,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:26:33,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 17] total 38 [2025-04-25 06:26:33,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517285373] [2025-04-25 06:26:33,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:26:33,008 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-04-25 06:26:33,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:26:33,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-04-25 06:26:33,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=1114, Unknown=0, NotChecked=0, Total=1406 [2025-04-25 06:26:33,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:33,009 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:26:33,009 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.0789473684210527) internal successors, (117), 38 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 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:33,009 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2025-04-25 06:26:33,010 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:36,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:26:36,625 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-04-25 06:26:36,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-04-25 06:26:36,825 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:36,826 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:26:36,826 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:26:36,826 INFO L85 PathProgramCache]: Analyzing trace with hash -972680263, now seen corresponding path program 26 times [2025-04-25 06:26:36,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:26:36,826 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062819263] [2025-04-25 06:26:36,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:26:36,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:26:36,829 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-04-25 06:26:36,833 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-04-25 06:26:36,833 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:26:36,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-25 06:26:36,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:26:36,995 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062819263] [2025-04-25 06:26:36,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062819263] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:26:36,995 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527707508] [2025-04-25 06:26:36,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:26:36,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:26:37,001 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:26:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-04-25 06:26:37,031 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-04-25 06:26:37,045 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-04-25 06:26:37,045 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:26:37,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:37,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-25 06:26:37,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:26:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-25 06:26:37,231 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:26:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:37,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527707508] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:26:37,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:26:37,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 21] total 37 [2025-04-25 06:26:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021348025] [2025-04-25 06:26:37,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:26:37,474 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-25 06:26:37,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:26:37,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-25 06:26:37,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=1119, Unknown=0, NotChecked=0, Total=1332 [2025-04-25 06:26:37,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:37,475 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:26:37,475 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 37 states have internal predecessors, (115), 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 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:37,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-04-25 06:26:37,476 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:26:39,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:26:39,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2025-04-25 06:26:39,772 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:26:39,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-04-25 06:26:39,973 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-04-25 06:26:39,973 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:26:39,973 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:26:39,973 INFO L85 PathProgramCache]: Analyzing trace with hash -2084938569, now seen corresponding path program 27 times [2025-04-25 06:26:39,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:26:39,973 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330706473] [2025-04-25 06:26:39,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:26:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:26:39,976 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 58 statements into 4 equivalence classes. [2025-04-25 06:26:39,983 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 58 of 58 statements. [2025-04-25 06:26:39,983 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 06:26:39,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:40,658 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 06:26:40,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:26:40,658 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330706473] [2025-04-25 06:26:40,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330706473] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:26:40,658 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83617040] [2025-04-25 06:26:40,658 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 06:26:40,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:26:40,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:26:40,660 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:26:40,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-04-25 06:26:40,678 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 58 statements into 4 equivalence classes. [2025-04-25 06:26:40,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 58 of 58 statements. [2025-04-25 06:26:40,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 06:26:40,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:26:40,690 WARN L254 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-25 06:26:40,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:26:41,912 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 27 [2025-04-25 06:26:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:26:41,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:26:43,264 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,267 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,271 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,274 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,275 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,275 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,275 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,275 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,276 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,278 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,279 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,279 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,281 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,284 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,285 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,288 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,289 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,295 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,295 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,295 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,304 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,306 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,310 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,311 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,315 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,315 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,318 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,325 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,328 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,331 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,332 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,332 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,333 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:43,334 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:26:44,243 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:26:44,244 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 93 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 97 case distinctions, treesize of input 99 treesize of output 982 [2025-04-25 06:27:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:27:17,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83617040] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:27:17,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:27:17,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 73 [2025-04-25 06:27:17,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217410458] [2025-04-25 06:27:17,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:27:17,299 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-04-25 06:27:17,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:27:17,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-04-25 06:27:17,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=434, Invalid=4822, Unknown=0, NotChecked=0, Total=5256 [2025-04-25 06:27:17,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:27:17,300 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:27:17,300 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 2.0273972602739727) internal successors, (148), 73 states have internal predecessors, (148), 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 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:27:17,300 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:27:17,301 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:28:28,807 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:28:28,808 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:28:28,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-04-25 06:28:29,008 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-04-25 06:28:29,008 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:28:29,009 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:28:29,009 INFO L85 PathProgramCache]: Analyzing trace with hash -2025880513, now seen corresponding path program 28 times [2025-04-25 06:28:29,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:28:29,009 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34559609] [2025-04-25 06:28:29,009 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:28:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:28:29,011 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 50 statements into 2 equivalence classes. [2025-04-25 06:28:29,016 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 06:28:29,016 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:28:29,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 1 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:28:29,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:28:29,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34559609] [2025-04-25 06:28:29,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34559609] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:28:29,626 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131336100] [2025-04-25 06:28:29,626 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 06:28:29,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:28:29,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:28:29,628 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:28:29,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-04-25 06:28:29,651 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 50 statements into 2 equivalence classes. [2025-04-25 06:28:29,660 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 06:28:29,661 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 06:28:29,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:28:29,662 WARN L254 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-04-25 06:28:29,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:28:30,420 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 23 [2025-04-25 06:28:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:28:30,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:28:31,130 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:28:31,130 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:28:31,130 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:28:31,130 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 06:28:31,786 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:28:31,787 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 6 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 114 case distinctions, treesize of input 79 treesize of output 802 [2025-04-25 06:31:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:30,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131336100] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:31:30,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:31:30,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 61 [2025-04-25 06:31:30,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314531775] [2025-04-25 06:31:30,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:31:30,133 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-04-25 06:31:30,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:31:30,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-04-25 06:31:30,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=3405, Unknown=0, NotChecked=0, Total=3660 [2025-04-25 06:31:30,135 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:31:30,135 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:31:30,135 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 2.180327868852459) internal successors, (133), 61 states have internal predecessors, (133), 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 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:30,135 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:31:30,136 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 239 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-04-25 06:31:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-04-25 06:31:45,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-04-25 06:31:45,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:31:45,237 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:31:45,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-04-25 06:31:45,437 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-04-25 06:31:45,438 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:31:45,438 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:31:45,438 INFO L85 PathProgramCache]: Analyzing trace with hash -598096963, now seen corresponding path program 29 times [2025-04-25 06:31:45,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:31:45,438 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319670868] [2025-04-25 06:31:45,438 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:31:45,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:31:45,441 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 52 statements into 5 equivalence classes. [2025-04-25 06:31:45,447 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:31:45,447 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-25 06:31:45,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:31:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:45,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:31:45,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319670868] [2025-04-25 06:31:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319670868] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:31:45,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580764238] [2025-04-25 06:31:45,582 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:31:45,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:31:45,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:31:45,584 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:31:45,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-04-25 06:31:45,604 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 52 statements into 5 equivalence classes. [2025-04-25 06:31:45,616 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 52 of 52 statements. [2025-04-25 06:31:45,616 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-04-25 06:31:45,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:31:45,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-25 06:31:45,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:31:45,807 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:45,807 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:31:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:46,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580764238] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:31:46,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:31:46,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 18, 18] total 34 [2025-04-25 06:31:46,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112765614] [2025-04-25 06:31:46,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:31:46,075 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-25 06:31:46,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:31:46,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-25 06:31:46,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=817, Unknown=0, NotChecked=0, Total=1122 [2025-04-25 06:31:46,075 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:31:46,075 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:31:46,075 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.3529411764705883) internal successors, (114), 34 states have internal predecessors, (114), 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 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 239 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 451 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:31:46,076 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-04-25 06:31:51,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 462 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-04-25 06:31:51,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-04-25 06:31:51,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-04-25 06:31:52,185 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,34 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:31:52,186 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 06:31:52,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:31:52,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2010199365, now seen corresponding path program 30 times [2025-04-25 06:31:52,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:31:52,186 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051070993] [2025-04-25 06:31:52,186 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:31:52,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:31:52,188 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 54 statements into 5 equivalence classes. [2025-04-25 06:31:52,201 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 06:31:52,201 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-25 06:31:52,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:31:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:52,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:31:52,988 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051070993] [2025-04-25 06:31:52,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051070993] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:31:52,988 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26192918] [2025-04-25 06:31:52,988 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 06:31:52,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:31:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:31:52,990 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:31:52,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-04-25 06:31:53,009 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 54 statements into 5 equivalence classes. [2025-04-25 06:31:53,020 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 06:31:53,021 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-25 06:31:53,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:31:53,022 WARN L254 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 81 conjuncts are in the unsatisfiable core [2025-04-25 06:31:53,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:31:53,916 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 25 [2025-04-25 06:31:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:31:53,921 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:31:55,893 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 06:31:55,893 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 6 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 147 case distinctions, treesize of input 89 treesize of output 1020 [2025-04-25 06:34:47,912 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2025-04-25 06:34:47,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2025-04-25 06:34:47,913 WARN L310 FreeRefinementEngine]: Global settings require throwing the following exception [2025-04-25 06:34:47,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-04-25 06:34:48,113 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-04-25 06:34:48,119 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 06:34:48,120 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:589) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:726) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:241) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:191) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:115) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:285) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:56) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:427) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2025-04-25 06:34:48,125 INFO L158 Benchmark]: Toolchain (without parser) took 751417.43ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 100.1MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2025-04-25 06:34:48,125 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:34:48,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.10ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 97.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:34:48,125 INFO L158 Benchmark]: Boogie Preprocessor took 23.32ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:34:48,125 INFO L158 Benchmark]: RCFGBuilder took 180.54ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 87.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 06:34:48,125 INFO L158 Benchmark]: TraceAbstraction took 751185.02ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 86.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2025-04-25 06:34:48,126 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 25.10ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 97.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 23.32ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 180.54ms. Allocated memory is still 167.8MB. Free memory was 96.8MB in the beginning and 87.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 751185.02ms. Allocated memory was 167.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 86.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...