/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/queue-add-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 05:26:55,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 05:26:55,418 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 05:26:55,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 05:26:55,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 05:26:55,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 05:26:55,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 05:26:55,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 05:26:55,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 05:26:55,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 05:26:55,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 05:26:55,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 05:26:55,445 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 05:26:55,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 05:26:55,446 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 05:26:55,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:26:55,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:26:55,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 05:26:55,447 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 05:26:55,448 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 05:26:55,448 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 05:26:55,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 05:26:55,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 05:26:55,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 05:26:55,656 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 05:26:55,658 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 05:26:55,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl [2025-04-25 05:26:55,660 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-2.wvr.bpl' [2025-04-25 05:26:55,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 05:26:55,679 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 05:26:55,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 05:26:55,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 05:26:55,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 05:26:55,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,709 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 05:26:55,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 05:26:55,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 05:26:55,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 05:26:55,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 05:26:55,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,720 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 05:26:55,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 05:26:55,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 05:26:55,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 05:26:55,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/1) ... [2025-04-25 05:26:55,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:26:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:55,760 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 05:26:55,764 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 05:26:55,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 05:26:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 05:26:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 05:26:55,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 05:26:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 05:26:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 05:26:55,784 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 05:26:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 05:26:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 05:26:55,785 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 05:26:55,818 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 05:26:55,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 05:26:55,904 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 05:26:55,904 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 05:26:55,925 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 05:26:55,925 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 05:26:55,926 INFO L201 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 05:26:55 BoogieIcfgContainer [2025-04-25 05:26:55,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 05:26:55,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 05:26:55,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 05:26:55,932 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 05:26:55,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:26:55" (1/2) ... [2025-04-25 05:26:55,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce2ca59 and model type queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 05:26:55, skipping insertion in model container [2025-04-25 05:26:55,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 05:26:55" (2/2) ... [2025-04-25 05:26:55,934 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-2.wvr.bpl [2025-04-25 05:26:55,944 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 05:26:55,945 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-2.wvr.bpl that has 3 procedures, 25 locations, 24 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-25 05:26:55,946 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 05:26:55,982 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-25 05:26:56,014 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 05:26:56,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 05:26:56,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:56,017 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 05:26:56,018 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 05:26:56,057 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 05:26:56,066 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 05:26:56,073 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;@27fef77b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 05:26:56,073 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-25 05:26:56,117 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:56,120 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash -313030841, now seen corresponding path program 1 times [2025-04-25 05:26:56,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:56,125 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673724759] [2025-04-25 05:26:56,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:26:56,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:56,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 05:26:56,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 05:26:56,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:26:56,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:56,243 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 05:26:56,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:56,243 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673724759] [2025-04-25 05:26:56,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673724759] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:26:56,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:26:56,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 05:26:56,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783083868] [2025-04-25 05:26:56,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:26:56,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 05:26:56,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:56,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 05:26:56,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 05:26:56,268 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:56,270 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:56,271 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 05:26:56,272 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:56,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:56,335 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 05:26:56,335 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:56,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:56,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1505568956, now seen corresponding path program 1 times [2025-04-25 05:26:56,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:56,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402384356] [2025-04-25 05:26:56,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:26:56,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:56,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-25 05:26:56,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 05:26:56,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:26:56,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:56,622 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 05:26:56,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:56,623 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402384356] [2025-04-25 05:26:56,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402384356] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:26:56,623 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472369678] [2025-04-25 05:26:56,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:26:56,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:56,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:56,626 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 05:26:56,627 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 05:26:56,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-25 05:26:56,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 05:26:56,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:26:56,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:56,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-25 05:26:56,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:26:56,861 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 05:26:56,861 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:26:56,932 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 05:26:56,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472369678] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:26:56,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:26:56,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-04-25 05:26:56,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290462576] [2025-04-25 05:26:56,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:26:56,933 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-25 05:26:56,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:56,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-25 05:26:56,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2025-04-25 05:26:56,934 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:56,934 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:56,935 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6666666666666665) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:26:56,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:56,935 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:57,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:57,136 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 05:26:57,147 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 05:26:57,337 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,SelfDestructingSolverStorable1 [2025-04-25 05:26:57,337 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:57,337 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1490804929, now seen corresponding path program 2 times [2025-04-25 05:26:57,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:57,338 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011382684] [2025-04-25 05:26:57,338 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:26:57,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:57,342 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-04-25 05:26:57,346 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-04-25 05:26:57,346 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:26:57,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:26:57,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:57,399 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011382684] [2025-04-25 05:26:57,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011382684] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:26:57,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:26:57,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 05:26:57,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564047450] [2025-04-25 05:26:57,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:26:57,400 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 05:26:57,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:57,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 05:26:57,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-25 05:26:57,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:57,400 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:57,400 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:26:57,400 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:57,400 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 05:26:57,400 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:57,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:57,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:57,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:57,509 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 05:26:57,509 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:57,510 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:57,510 INFO L85 PathProgramCache]: Analyzing trace with hash 462181298, now seen corresponding path program 1 times [2025-04-25 05:26:57,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:57,510 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674894516] [2025-04-25 05:26:57,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:26:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:57,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 05:26:57,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 05:26:57,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:26:57,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:57,568 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 05:26:57,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:57,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674894516] [2025-04-25 05:26:57,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674894516] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:26:57,568 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738590065] [2025-04-25 05:26:57,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:26:57,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:57,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:57,570 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 05:26:57,571 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 05:26:57,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-25 05:26:57,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 05:26:57,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:26:57,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:57,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-25 05:26:57,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:26:57,631 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-04-25 05:26:57,644 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 05:26:57,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:26:57,677 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 05:26:57,677 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 10 [2025-04-25 05:26:57,686 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 05:26:57,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738590065] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:26:57,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:26:57,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-04-25 05:26:57,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625086054] [2025-04-25 05:26:57,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:26:57,687 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 05:26:57,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:57,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 05:26:57,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-04-25 05:26:57,687 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:57,687 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:57,688 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:26:57,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:57,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:57,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:57,688 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:57,769 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:57,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:57,770 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:57,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:26:57,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-25 05:26:57,971 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:57,972 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:57,972 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:57,972 INFO L85 PathProgramCache]: Analyzing trace with hash -619350481, now seen corresponding path program 2 times [2025-04-25 05:26:57,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:57,972 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159769277] [2025-04-25 05:26:57,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:26:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:57,975 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 05:26:57,980 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 05:26:57,980 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:26:57,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:26:58,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:58,219 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159769277] [2025-04-25 05:26:58,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159769277] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:26:58,219 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1236993112] [2025-04-25 05:26:58,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:26:58,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:58,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:58,221 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 05:26:58,223 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 05:26:58,246 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 05:26:58,252 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 05:26:58,252 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:26:58,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:58,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 05:26:58,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:26:58,364 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-04-25 05:26:58,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:26:58,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:26:58,620 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:26:58,620 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2025-04-25 05:26:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:26:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1236993112] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:26:58,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:26:58,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 28 [2025-04-25 05:26:58,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117387472] [2025-04-25 05:26:58,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:26:58,663 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-25 05:26:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:58,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-25 05:26:58,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2025-04-25 05:26:58,664 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:58,664 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:58,664 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.9655172413793103) internal successors, (57), 28 states have internal predecessors, (57), 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 05:26:58,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:58,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:58,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:58,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:26:58,664 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:59,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:59,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:59,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:59,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:26:59,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:26:59,464 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 05:26:59,659 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:59,659 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:26:59,660 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:26:59,660 INFO L85 PathProgramCache]: Analyzing trace with hash 632801511, now seen corresponding path program 3 times [2025-04-25 05:26:59,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:26:59,660 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086400043] [2025-04-25 05:26:59,660 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:26:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:26:59,666 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 3 equivalence classes. [2025-04-25 05:26:59,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 05:26:59,675 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 05:26:59,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:26:59,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:26:59,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086400043] [2025-04-25 05:26:59,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086400043] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:26:59,753 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440543673] [2025-04-25 05:26:59,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:26:59,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:26:59,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:26:59,755 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 05:26:59,757 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 05:26:59,773 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 3 equivalence classes. [2025-04-25 05:26:59,779 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 05:26:59,779 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-25 05:26:59,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:26:59,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 05:26:59,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:26:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 05:26:59,860 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:26:59,892 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 05:26:59,892 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-04-25 05:26:59,913 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 05:26:59,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440543673] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:26:59,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:26:59,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2025-04-25 05:26:59,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129140623] [2025-04-25 05:26:59,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:26:59,919 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-25 05:26:59,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:26:59,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-25 05:26:59,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-04-25 05:26:59,919 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:26:59,919 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:26:59,919 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 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 05:26:59,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:26:59,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:26:59,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:26:59,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:26:59,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:26:59,920 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:00,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 05:27:00,046 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 05:27:00,241 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,SelfDestructingSolverStorable5 [2025-04-25 05:27:00,241 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:00,241 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:00,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1265191140, now seen corresponding path program 4 times [2025-04-25 05:27:00,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:00,241 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525210165] [2025-04-25 05:27:00,241 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:27:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:00,244 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-04-25 05:27:00,255 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 05:27:00,255 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:27:00,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 05:27:00,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:00,552 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525210165] [2025-04-25 05:27:00,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525210165] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:00,552 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717523423] [2025-04-25 05:27:00,552 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:27:00,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:00,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:00,554 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 05:27:00,555 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 05:27:00,570 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-04-25 05:27:00,581 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-25 05:27:00,582 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:27:00,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:00,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-04-25 05:27:00,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:00,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:01,226 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:01,226 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 29 treesize of output 53 [2025-04-25 05:27:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:01,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717523423] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:01,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:01,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 40 [2025-04-25 05:27:01,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671274894] [2025-04-25 05:27:01,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:01,258 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-04-25 05:27:01,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:01,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-04-25 05:27:01,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1470, Unknown=0, NotChecked=0, Total=1640 [2025-04-25 05:27:01,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:01,259 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:01,259 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.8780487804878048) internal successors, (77), 40 states have internal predecessors, (77), 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 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:01,259 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 05:27:01,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 05:27:02,956 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 05:27:02,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-25 05:27:03,161 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:03,161 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:03,161 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:03,161 INFO L85 PathProgramCache]: Analyzing trace with hash 468588371, now seen corresponding path program 5 times [2025-04-25 05:27:03,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:03,162 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917874312] [2025-04-25 05:27:03,162 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:27:03,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:03,165 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 3 equivalence classes. [2025-04-25 05:27:03,169 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 05:27:03,170 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 05:27:03,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-25 05:27:03,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:03,470 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917874312] [2025-04-25 05:27:03,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917874312] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:03,470 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764046471] [2025-04-25 05:27:03,470 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:27:03,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:03,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:03,472 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 05:27:03,472 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 05:27:03,489 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 40 statements into 3 equivalence classes. [2025-04-25 05:27:03,497 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 40 of 40 statements. [2025-04-25 05:27:03,497 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 05:27:03,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:03,498 WARN L254 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-25 05:27:03,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:04,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:04,501 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:04,501 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 49 treesize of output 109 [2025-04-25 05:27:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:04,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764046471] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:04,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:04,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 54 [2025-04-25 05:27:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593238529] [2025-04-25 05:27:04,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:04,564 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-04-25 05:27:04,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:04,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-04-25 05:27:04,569 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2717, Unknown=0, NotChecked=0, Total=2970 [2025-04-25 05:27:04,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:04,570 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:04,570 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.8) internal successors, (99), 54 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 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 05:27:04,570 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:06,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-25 05:27:06,647 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:27:06,653 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 05:27:06,847 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,SelfDestructingSolverStorable7 [2025-04-25 05:27:06,848 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:06,848 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:06,848 INFO L85 PathProgramCache]: Analyzing trace with hash -688590651, now seen corresponding path program 6 times [2025-04-25 05:27:06,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:06,848 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492599807] [2025-04-25 05:27:06,848 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:27:06,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:06,851 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 51 statements into 4 equivalence classes. [2025-04-25 05:27:06,863 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 05:27:06,863 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-25 05:27:06,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-25 05:27:06,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:06,930 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492599807] [2025-04-25 05:27:06,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492599807] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:06,930 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826116584] [2025-04-25 05:27:06,930 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:27:06,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:06,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:06,932 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 05:27:06,933 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 05:27:06,949 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 51 statements into 4 equivalence classes. [2025-04-25 05:27:06,959 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) and asserted 51 of 51 statements. [2025-04-25 05:27:06,959 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2025-04-25 05:27:06,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:06,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-25 05:27:06,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-25 05:27:07,013 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 05:27:07,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826116584] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:27:07,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 05:27:07,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2025-04-25 05:27:07,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648438361] [2025-04-25 05:27:07,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:27:07,014 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 05:27:07,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:07,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 05:27:07,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-25 05:27:07,014 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:07,014 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:07,014 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:27:07,014 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-25 05:27:07,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:07,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-25 05:27:07,835 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:07,835 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:07,835 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1016999662, now seen corresponding path program 7 times [2025-04-25 05:27:07,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:07,835 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459466845] [2025-04-25 05:27:07,835 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:27:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:07,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-25 05:27:07,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 05:27:07,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:27:07,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 17 proven. 26 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-25 05:27:07,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:07,979 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459466845] [2025-04-25 05:27:07,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459466845] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:07,979 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17344743] [2025-04-25 05:27:07,979 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:27:07,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:07,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:07,981 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 05:27:07,982 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 05:27:07,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-04-25 05:27:08,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-04-25 05:27:08,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:27:08,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:08,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-04-25 05:27:08,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:08,063 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-04-25 05:27:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-25 05:27:08,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:08,121 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:27:08,122 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-04-25 05:27:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-04-25 05:27:08,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17344743] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:08,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:08,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 13 [2025-04-25 05:27:08,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851360971] [2025-04-25 05:27:08,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:08,154 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-25 05:27:08,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:08,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-25 05:27:08,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-04-25 05:27:08,154 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:08,154 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:08,154 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 states have internal predecessors, (53), 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 05:27:08,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:08,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:08,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:08,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:08,154 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:08,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:08,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:08,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-25 05:27:08,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:08,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:08,285 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:08,291 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 05:27:08,486 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-25 05:27:08,486 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:08,486 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash 487543659, now seen corresponding path program 8 times [2025-04-25 05:27:08,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:08,486 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013709887] [2025-04-25 05:27:08,486 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:27:08,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:08,489 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-04-25 05:27:08,501 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 05:27:08,502 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:27:08,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-04-25 05:27:09,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:09,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013709887] [2025-04-25 05:27:09,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013709887] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:09,061 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706587332] [2025-04-25 05:27:09,061 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:27:09,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:09,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:09,063 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 05:27:09,065 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 05:27:09,083 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-04-25 05:27:09,093 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 05:27:09,093 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:27:09,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:09,094 WARN L254 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 70 conjuncts are in the unsatisfiable core [2025-04-25 05:27:09,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:09,978 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:10,936 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:10,936 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 68 treesize of output 272 [2025-04-25 05:27:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:11,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706587332] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:11,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:11,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 28, 28] total 69 [2025-04-25 05:27:11,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545935775] [2025-04-25 05:27:11,107 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:11,108 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-25 05:27:11,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:11,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-25 05:27:11,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=4462, Unknown=0, NotChecked=0, Total=4830 [2025-04-25 05:27:11,110 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:11,110 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:11,110 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.8) internal successors, (126), 69 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:11,110 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:15,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:15,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-25 05:27:15,263 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,SelfDestructingSolverStorable10 [2025-04-25 05:27:15,263 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:15,263 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:15,263 INFO L85 PathProgramCache]: Analyzing trace with hash -41998122, now seen corresponding path program 9 times [2025-04-25 05:27:15,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:15,263 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650384406] [2025-04-25 05:27:15,263 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:27:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:15,266 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 8 equivalence classes. [2025-04-25 05:27:15,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 05:27:15,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 05:27:15,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:15,387 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2025-04-25 05:27:15,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:15,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650384406] [2025-04-25 05:27:15,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650384406] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:15,387 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081351531] [2025-04-25 05:27:15,388 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:27:15,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:15,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:15,389 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 05:27:15,391 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 05:27:15,408 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 8 equivalence classes. [2025-04-25 05:27:15,422 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 05:27:15,422 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-04-25 05:27:15,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:15,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-25 05:27:15,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-04-25 05:27:15,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:15,529 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 05:27:15,529 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-04-25 05:27:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-04-25 05:27:15,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081351531] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:15,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:15,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 11 [2025-04-25 05:27:15,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807424931] [2025-04-25 05:27:15,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:15,610 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-25 05:27:15,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:15,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-25 05:27:15,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-04-25 05:27:15,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:15,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:15,611 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:15,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:15,709 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:15,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:15,715 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 05:27:15,910 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:15,910 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:15,911 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:15,911 INFO L85 PathProgramCache]: Analyzing trace with hash 798038355, now seen corresponding path program 10 times [2025-04-25 05:27:15,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:15,911 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70493281] [2025-04-25 05:27:15,911 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:27:15,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:15,913 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 68 statements into 2 equivalence classes. [2025-04-25 05:27:15,920 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-25 05:27:15,920 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:27:15,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 18 proven. 49 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-04-25 05:27:16,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:16,467 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70493281] [2025-04-25 05:27:16,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70493281] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:16,467 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740940993] [2025-04-25 05:27:16,467 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:27:16,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:16,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:16,469 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 05:27:16,470 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 05:27:16,486 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 68 statements into 2 equivalence classes. [2025-04-25 05:27:16,497 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-04-25 05:27:16,497 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:27:16,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:16,498 WARN L254 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 94 conjuncts are in the unsatisfiable core [2025-04-25 05:27:16,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:17,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:19,347 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:19,348 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 94 treesize of output 518 [2025-04-25 05:27:19,700 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:19,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740940993] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:19,700 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:19,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 36, 36] total 85 [2025-04-25 05:27:19,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697554383] [2025-04-25 05:27:19,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:19,700 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2025-04-25 05:27:19,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:19,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2025-04-25 05:27:19,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=6758, Unknown=0, NotChecked=0, Total=7310 [2025-04-25 05:27:19,702 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:19,702 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:19,702 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 1.813953488372093) internal successors, (156), 85 states have internal predecessors, (156), 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 05:27:19,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:19,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:19,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:19,702 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:19,703 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:23,924 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:23,926 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-25 05:27:23,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-04-25 05:27:24,131 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,SelfDestructingSolverStorable12 [2025-04-25 05:27:24,131 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:24,131 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:24,131 INFO L85 PathProgramCache]: Analyzing trace with hash 4431343, now seen corresponding path program 11 times [2025-04-25 05:27:24,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:24,131 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433829081] [2025-04-25 05:27:24,131 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:27:24,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:24,134 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 82 statements into 9 equivalence classes. [2025-04-25 05:27:24,151 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 82 of 82 statements. [2025-04-25 05:27:24,151 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-25 05:27:24,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-04-25 05:27:24,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:24,961 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433829081] [2025-04-25 05:27:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433829081] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:24,961 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231760748] [2025-04-25 05:27:24,961 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:27:24,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:24,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:24,963 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 05:27:24,963 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 05:27:24,980 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 82 statements into 9 equivalence classes. [2025-04-25 05:27:24,995 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 82 of 82 statements. [2025-04-25 05:27:24,995 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-04-25 05:27:24,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:24,996 WARN L254 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 119 conjuncts are in the unsatisfiable core [2025-04-25 05:27:24,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:27,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:29,533 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,534 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,534 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,534 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,534 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,541 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,543 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,543 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,549 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,549 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,553 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,553 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,554 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,558 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,559 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,559 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,559 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,560 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,560 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,561 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,562 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,562 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,562 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,565 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,567 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,568 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,568 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,568 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,569 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,570 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,570 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,572 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,572 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,572 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,573 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,573 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:27:29,725 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:29,726 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 108 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 127 treesize of output 487 [2025-04-25 05:27:30,042 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:30,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231760748] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:30,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:30,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 46, 46] total 106 [2025-04-25 05:27:30,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689570943] [2025-04-25 05:27:30,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:30,042 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2025-04-25 05:27:30,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:30,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2025-04-25 05:27:30,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=10387, Unknown=0, NotChecked=0, Total=11342 [2025-04-25 05:27:30,046 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:30,046 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:30,046 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.7570093457943925) internal successors, (188), 106 states have internal predecessors, (188), 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 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-25 05:27:30,046 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:37,039 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:37,040 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:37,046 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-25 05:27:37,244 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,SelfDestructingSolverStorable13 [2025-04-25 05:27:37,244 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:37,244 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1776804871, now seen corresponding path program 12 times [2025-04-25 05:27:37,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:37,244 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524424925] [2025-04-25 05:27:37,244 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:27:37,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:37,248 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 102 statements into 11 equivalence classes. [2025-04-25 05:27:37,263 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 102 of 102 statements. [2025-04-25 05:27:37,263 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-04-25 05:27:37,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 32 proven. 53 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2025-04-25 05:27:37,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:37,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524424925] [2025-04-25 05:27:37,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524424925] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:37,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954250188] [2025-04-25 05:27:37,418 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:27:37,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:37,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:37,420 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 05:27:37,422 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 05:27:37,440 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 102 statements into 11 equivalence classes. [2025-04-25 05:27:37,460 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 102 of 102 statements. [2025-04-25 05:27:37,460 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-04-25 05:27:37,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:37,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-04-25 05:27:37,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2025-04-25 05:27:37,539 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:37,556 INFO L325 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-04-25 05:27:37,556 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-04-25 05:27:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2025-04-25 05:27:37,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954250188] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:37,623 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:37,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 12 [2025-04-25 05:27:37,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933218492] [2025-04-25 05:27:37,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:37,624 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 05:27:37,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:37,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 05:27:37,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2025-04-25 05:27:37,624 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:37,624 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:37,624 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 12 states have internal predecessors, (60), 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 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:37,624 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:37,625 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:37,751 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:37,752 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:37,761 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-04-25 05:27:37,953 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,SelfDestructingSolverStorable14 [2025-04-25 05:27:37,953 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:37,953 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:37,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1977013252, now seen corresponding path program 13 times [2025-04-25 05:27:37,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:37,953 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048788385] [2025-04-25 05:27:37,953 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:27:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:37,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-04-25 05:27:37,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-04-25 05:27:37,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:27:37,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 142 proven. 17 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-04-25 05:27:38,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:38,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048788385] [2025-04-25 05:27:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048788385] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:38,148 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452366409] [2025-04-25 05:27:38,148 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:27:38,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:38,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:38,150 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 05:27:38,152 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 05:27:38,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-04-25 05:27:38,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-04-25 05:27:38,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:27:38,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:38,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 56 conjuncts are in the unsatisfiable core [2025-04-25 05:27:38,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:38,279 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-04-25 05:27:38,279 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:38,306 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:27:38,306 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-25 05:27:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-04-25 05:27:38,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452366409] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:38,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:38,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 14 [2025-04-25 05:27:38,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229815637] [2025-04-25 05:27:38,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:38,371 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-04-25 05:27:38,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:38,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-04-25 05:27:38,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-04-25 05:27:38,371 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:38,371 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:38,371 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 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 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:38,371 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:38,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:38,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:38,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:38,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:38,372 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:38,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:38,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:38,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:38,500 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:38,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:27:38,506 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 05:27:38,701 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 05:27:38,701 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:27:38,702 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:27:38,702 INFO L85 PathProgramCache]: Analyzing trace with hash 279149953, now seen corresponding path program 14 times [2025-04-25 05:27:38,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:27:38,702 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440851949] [2025-04-25 05:27:38,702 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:27:38,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:27:38,705 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-04-25 05:27:38,725 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-04-25 05:27:38,725 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:27:38,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:39,816 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-04-25 05:27:39,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:27:39,816 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440851949] [2025-04-25 05:27:39,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440851949] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:27:39,816 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115171069] [2025-04-25 05:27:39,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:27:39,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:27:39,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:27:39,818 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 05:27:39,819 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 05:27:39,837 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-04-25 05:27:39,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-04-25 05:27:39,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:27:39,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:27:39,859 WARN L254 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 166 conjuncts are in the unsatisfiable core [2025-04-25 05:27:39,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:27:43,692 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:43,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:27:49,798 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:27:49,798 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 172 treesize of output 1736 [2025-04-25 05:27:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:27:52,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115171069] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:27:52,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:27:52,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 60, 60] total 134 [2025-04-25 05:27:52,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301030226] [2025-04-25 05:27:52,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:27:52,156 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2025-04-25 05:27:52,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:27:52,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2025-04-25 05:27:52,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1211, Invalid=16879, Unknown=0, NotChecked=0, Total=18090 [2025-04-25 05:27:52,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:27:52,159 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:27:52,159 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 1.7925925925925925) internal successors, (242), 134 states have internal predecessors, (242), 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 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:27:52,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:27:52,160 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:07,345 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:07,346 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-04-25 05:28:07,352 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 05:28:07,546 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 05:28:07,547 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:28:07,547 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:28:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash 725695539, now seen corresponding path program 15 times [2025-04-25 05:28:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:28:07,547 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193923085] [2025-04-25 05:28:07,547 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:28:07,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:28:07,550 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 12 equivalence classes. [2025-04-25 05:28:07,563 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 121 of 121 statements. [2025-04-25 05:28:07,563 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 05:28:07,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2025-04-25 05:28:07,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:28:07,707 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193923085] [2025-04-25 05:28:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193923085] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:28:07,708 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729935590] [2025-04-25 05:28:07,708 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:28:07,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:07,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:28:07,709 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 05:28:07,711 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 05:28:07,733 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 12 equivalence classes. [2025-04-25 05:28:07,759 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 121 of 121 statements. [2025-04-25 05:28:07,759 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-04-25 05:28:07,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:07,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-04-25 05:28:07,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:28:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2025-04-25 05:28:07,871 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 05:28:07,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729935590] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:28:07,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 05:28:07,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2025-04-25 05:28:07,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477929412] [2025-04-25 05:28:07,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:28:07,871 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 05:28:07,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:28:07,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 05:28:07,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 05:28:07,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:07,872 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:28:07,872 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2025-04-25 05:28:07,872 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:08,260 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:08,261 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:08,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-04-25 05:28:08,461 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 05:28:08,462 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:28:08,462 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:28:08,462 INFO L85 PathProgramCache]: Analyzing trace with hash -636365094, now seen corresponding path program 16 times [2025-04-25 05:28:08,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:28:08,462 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115882216] [2025-04-25 05:28:08,462 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:28:08,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:28:08,465 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 120 statements into 2 equivalence classes. [2025-04-25 05:28:08,472 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-25 05:28:08,472 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:28:08,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 160 proven. 97 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2025-04-25 05:28:08,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:28:08,686 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115882216] [2025-04-25 05:28:08,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115882216] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:28:08,686 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055845312] [2025-04-25 05:28:08,686 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:28:08,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:08,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:28:08,688 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 05:28:08,690 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 05:28:08,709 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 120 statements into 2 equivalence classes. [2025-04-25 05:28:08,730 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-04-25 05:28:08,730 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:28:08,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:08,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-04-25 05:28:08,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:28:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2025-04-25 05:28:08,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:28:08,880 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:28:08,880 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-25 05:28:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2025-04-25 05:28:08,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055845312] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:28:08,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:28:08,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 9] total 16 [2025-04-25 05:28:08,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481590764] [2025-04-25 05:28:08,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:28:08,949 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-25 05:28:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:28:08,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-25 05:28:08,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2025-04-25 05:28:08,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:08,949 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:28:08,950 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.294117647058823) internal successors, (73), 16 states have internal predecessors, (73), 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 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:08,950 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:09,134 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:09,135 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:09,140 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 05:28:09,335 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:09,335 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:28:09,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:28:09,336 INFO L85 PathProgramCache]: Analyzing trace with hash 123020631, now seen corresponding path program 17 times [2025-04-25 05:28:09,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:28:09,336 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416696649] [2025-04-25 05:28:09,336 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:28:09,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:28:09,339 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 124 statements into 13 equivalence classes. [2025-04-25 05:28:09,375 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 124 of 124 statements. [2025-04-25 05:28:09,375 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-04-25 05:28:09,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2025-04-25 05:28:10,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:28:10,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416696649] [2025-04-25 05:28:10,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416696649] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:28:10,648 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143803436] [2025-04-25 05:28:10,648 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:28:10,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:10,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:28:10,650 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 05:28:10,650 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 05:28:10,669 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 124 statements into 13 equivalence classes. [2025-04-25 05:28:10,700 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 124 of 124 statements. [2025-04-25 05:28:10,700 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-04-25 05:28:10,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:10,704 WARN L254 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 191 conjuncts are in the unsatisfiable core [2025-04-25 05:28:10,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:28:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:28:16,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:28:24,210 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,211 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,211 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,211 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,212 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,212 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,212 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,213 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,213 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,214 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,214 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,218 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,222 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,222 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,222 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,223 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,223 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,223 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,224 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,224 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,225 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,225 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,230 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,230 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,233 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,240 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,242 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,243 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,244 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,245 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,245 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,245 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,246 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,248 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,249 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,250 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,250 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,250 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,251 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,252 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,252 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,253 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,253 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,253 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,254 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,260 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,260 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,261 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,261 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,261 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,263 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,264 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,265 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,271 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,272 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,272 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,273 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,274 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,274 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,274 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,275 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,277 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,278 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,279 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,279 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,282 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,282 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,282 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,283 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,283 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,283 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,284 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,285 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,286 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,286 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,286 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,286 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,287 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,287 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,287 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,288 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,288 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,292 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,293 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,293 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,293 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,294 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,297 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,298 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,298 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,299 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,299 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,300 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,301 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,302 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,303 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,303 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,304 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,305 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,305 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,306 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,306 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,306 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 05:28:24,930 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:28:24,930 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 315 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 205 treesize of output 1255 [2025-04-25 05:28:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:28:25,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143803436] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:28:25,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:28:25,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 70, 70] total 161 [2025-04-25 05:28:25,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106095891] [2025-04-25 05:28:25,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:28:25,773 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 162 states [2025-04-25 05:28:25,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:28:25,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2025-04-25 05:28:25,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1695, Invalid=24387, Unknown=0, NotChecked=0, Total=26082 [2025-04-25 05:28:25,776 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:25,776 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:28:25,776 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 162 states, 162 states have (on average 1.7407407407407407) internal successors, (282), 161 states have internal predecessors, (282), 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 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:25,776 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:25,777 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:46,630 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:46,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-04-25 05:28:46,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-04-25 05:28:46,831 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:46,831 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:28:46,832 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:28:46,832 INFO L85 PathProgramCache]: Analyzing trace with hash -514771900, now seen corresponding path program 18 times [2025-04-25 05:28:46,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:28:46,832 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107957823] [2025-04-25 05:28:46,832 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:28:46,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:28:46,835 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 134 statements into 15 equivalence classes. [2025-04-25 05:28:46,848 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 134 of 134 statements. [2025-04-25 05:28:46,848 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-25 05:28:46,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:47,125 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 88 proven. 250 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-04-25 05:28:47,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:28:47,125 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107957823] [2025-04-25 05:28:47,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107957823] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:28:47,125 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381108026] [2025-04-25 05:28:47,125 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:28:47,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:47,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:28:47,127 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 05:28:47,129 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 05:28:47,150 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 134 statements into 15 equivalence classes. [2025-04-25 05:28:47,180 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 134 of 134 statements. [2025-04-25 05:28:47,181 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-04-25 05:28:47,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:47,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-04-25 05:28:47,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:28:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2025-04-25 05:28:47,318 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:28:47,333 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:28:47,334 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-25 05:28:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 181 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2025-04-25 05:28:47,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381108026] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:28:47,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:28:47,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 17 [2025-04-25 05:28:47,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554946155] [2025-04-25 05:28:47,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:28:47,423 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-25 05:28:47,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:28:47,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-25 05:28:47,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-04-25 05:28:47,423 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:47,423 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:28:47,423 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.333333333333333) internal successors, (78), 17 states have internal predecessors, (78), 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 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:47,423 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2025-04-25 05:28:47,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:28:47,617 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-04-25 05:28:47,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:28:47,624 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 05:28:47,822 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,SelfDestructingSolverStorable20 [2025-04-25 05:28:47,822 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:28:47,822 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:28:47,822 INFO L85 PathProgramCache]: Analyzing trace with hash 2071182785, now seen corresponding path program 19 times [2025-04-25 05:28:47,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:28:47,822 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213693213] [2025-04-25 05:28:47,822 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:28:47,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:28:47,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-04-25 05:28:47,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-04-25 05:28:47,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:28:47,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 9 proven. 216 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2025-04-25 05:28:49,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:28:49,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213693213] [2025-04-25 05:28:49,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213693213] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:28:49,291 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345477268] [2025-04-25 05:28:49,291 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:28:49,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:28:49,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:28:49,293 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 05:28:49,294 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 05:28:49,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-04-25 05:28:49,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-04-25 05:28:49,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:28:49,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:28:49,341 WARN L254 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 214 conjuncts are in the unsatisfiable core [2025-04-25 05:28:49,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:28:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 0 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:28:56,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:29:08,714 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:29:08,715 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 224 treesize of output 2948 [2025-04-25 05:29:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 0 proven. 709 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:29:13,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345477268] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:29:13,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:29:13,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 76, 76] total 173 [2025-04-25 05:29:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398493017] [2025-04-25 05:29:13,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:29:13,858 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 174 states [2025-04-25 05:29:13,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:29:13,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2025-04-25 05:29:13,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1767, Invalid=28335, Unknown=0, NotChecked=0, Total=30102 [2025-04-25 05:29:13,860 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:29:13,860 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:29:13,860 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 174 states, 174 states have (on average 1.7988505747126438) internal successors, (313), 173 states have internal predecessors, (313), 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 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:29:13,860 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:29:13,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:29:34,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-04-25 05:29:34,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:29:34,119 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-04-25 05:29:34,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-04-25 05:29:34,319 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:29:34,319 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:29:34,319 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:29:34,320 INFO L85 PathProgramCache]: Analyzing trace with hash 552300570, now seen corresponding path program 20 times [2025-04-25 05:29:34,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:29:34,320 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875061618] [2025-04-25 05:29:34,320 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:29:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:29:34,324 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 159 statements into 2 equivalence classes. [2025-04-25 05:29:34,336 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 159 of 159 statements. [2025-04-25 05:29:34,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:29:34,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:29:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 9 proven. 390 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2025-04-25 05:29:36,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:29:36,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875061618] [2025-04-25 05:29:36,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875061618] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:29:36,223 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831382656] [2025-04-25 05:29:36,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:29:36,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:29:36,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:29:36,225 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 05:29:36,226 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 05:29:36,248 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 159 statements into 2 equivalence classes. [2025-04-25 05:29:36,274 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 159 of 159 statements. [2025-04-25 05:29:36,274 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:29:36,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:29:36,277 WARN L254 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 250 conjuncts are in the unsatisfiable core [2025-04-25 05:29:36,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:29:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 0 proven. 987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:29:45,601 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:30:05,053 WARN L286 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 1339 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-25 05:30:05,054 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:30:05,055 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 263 treesize of output 4067 [2025-04-25 05:30:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 987 backedges. 0 proven. 987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:30:14,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831382656] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:30:14,730 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:30:14,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 88, 88] total 197 [2025-04-25 05:30:14,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991472270] [2025-04-25 05:30:14,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:30:14,731 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 198 states [2025-04-25 05:30:14,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:30:14,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2025-04-25 05:30:14,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2176, Invalid=36830, Unknown=0, NotChecked=0, Total=39006 [2025-04-25 05:30:14,733 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:30:14,733 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:30:14,733 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 198 states, 198 states have (on average 1.792929292929293) internal successors, (355), 197 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:30:14,733 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-04-25 05:30:14,734 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:30:59,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:30:59,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:30:59,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:30:59,328 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:30:59,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-04-25 05:30:59,528 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,SelfDestructingSolverStorable22 [2025-04-25 05:30:59,528 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:30:59,529 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:30:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2060598246, now seen corresponding path program 21 times [2025-04-25 05:30:59,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:30:59,529 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356572846] [2025-04-25 05:30:59,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:30:59,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:30:59,533 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 190 statements into 21 equivalence classes. [2025-04-25 05:30:59,564 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 190 of 190 statements. [2025-04-25 05:30:59,564 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-04-25 05:30:59,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:31:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 97 proven. 665 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2025-04-25 05:31:00,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:31:00,033 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356572846] [2025-04-25 05:31:00,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356572846] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:31:00,033 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194876128] [2025-04-25 05:31:00,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:31:00,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:31:00,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:31:00,034 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 05:31:00,035 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 05:31:00,062 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 190 statements into 21 equivalence classes. [2025-04-25 05:31:00,101 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 190 of 190 statements. [2025-04-25 05:31:00,101 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-04-25 05:31:00,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:31:00,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 108 conjuncts are in the unsatisfiable core [2025-04-25 05:31:00,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:31:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 2 proven. 639 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2025-04-25 05:31:00,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:31:00,301 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:31:00,301 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-25 05:31:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1456 backedges. 0 proven. 641 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2025-04-25 05:31:00,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194876128] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:31:00,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:31:00,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 10] total 18 [2025-04-25 05:31:00,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703279847] [2025-04-25 05:31:00,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:31:00,425 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-25 05:31:00,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:31:00,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-25 05:31:00,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2025-04-25 05:31:00,426 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:31:00,426 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:31:00,426 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.368421052631579) internal successors, (83), 18 states have internal predecessors, (83), 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 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:31:00,426 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:31:00,645 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:31:00,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:31:00,652 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 05:31:00,846 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,SelfDestructingSolverStorable23 [2025-04-25 05:31:00,847 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:31:00,847 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:31:00,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1137151337, now seen corresponding path program 22 times [2025-04-25 05:31:00,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:31:00,847 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183413456] [2025-04-25 05:31:00,847 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:31:00,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:31:00,851 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 194 statements into 2 equivalence classes. [2025-04-25 05:31:00,866 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-04-25 05:31:00,866 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:31:00,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:31:04,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 144 proven. 764 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2025-04-25 05:31:04,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:31:04,212 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183413456] [2025-04-25 05:31:04,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183413456] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:31:04,212 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268043180] [2025-04-25 05:31:04,212 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:31:04,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:31:04,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:31:04,214 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 05:31:04,215 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 05:31:04,239 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 194 statements into 2 equivalence classes. [2025-04-25 05:31:04,274 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-04-25 05:31:04,275 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:31:04,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:31:04,278 WARN L254 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 310 conjuncts are in the unsatisfiable core [2025-04-25 05:31:04,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:31:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 0 proven. 1465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:31:19,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:31:58,543 WARN L286 SmtUtils]: Spent 11.83s on a formula simplification that was a NOOP. DAG size: 2049 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-25 05:31:58,544 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:31:58,545 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 0 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 1225 case distinctions, treesize of input 328 treesize of output 6332 [2025-04-25 05:32:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1465 backedges. 0 proven. 1465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:32:25,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268043180] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:32:25,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:32:25,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 108, 108] total 256 [2025-04-25 05:32:25,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149132567] [2025-04-25 05:32:25,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:32:25,876 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2025-04-25 05:32:25,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:32:25,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2025-04-25 05:32:25,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3599, Invalid=62193, Unknown=0, NotChecked=0, Total=65792 [2025-04-25 05:32:25,879 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:32:25,879 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:32:25,880 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 1.7509727626459144) internal successors, (450), 256 states have internal predecessors, (450), 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 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:32:25,880 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:50,966 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 05:33:50,973 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 05:33:51,167 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:33:51,167 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:33:51,167 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:33:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash 373268937, now seen corresponding path program 23 times [2025-04-25 05:33:51,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:33:51,168 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586235637] [2025-04-25 05:33:51,168 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:33:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:33:51,172 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 205 statements into 22 equivalence classes. [2025-04-25 05:33:51,244 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 205 of 205 statements. [2025-04-25 05:33:51,244 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-25 05:33:51,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1621 backedges. 28 proven. 674 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-25 05:33:51,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:33:51,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586235637] [2025-04-25 05:33:51,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586235637] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:33:51,615 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895161601] [2025-04-25 05:33:51,615 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:33:51,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:33:51,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:33:51,617 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 05:33:51,617 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 05:33:51,642 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 205 statements into 22 equivalence classes. [2025-04-25 05:33:51,683 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) and asserted 205 of 205 statements. [2025-04-25 05:33:51,683 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2025-04-25 05:33:51,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:51,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 56 conjuncts are in the unsatisfiable core [2025-04-25 05:33:51,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:33:51,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1621 backedges. 28 proven. 674 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-25 05:33:51,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:33:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1621 backedges. 28 proven. 674 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-25 05:33:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895161601] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:33:52,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:33:52,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2025-04-25 05:33:52,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26247343] [2025-04-25 05:33:52,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:33:52,071 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 05:33:52,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:33:52,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 05:33:52,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 05:33:52,071 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:33:52,071 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:33:52,072 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 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 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 05:33:52,072 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:33:52,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:33:52,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:33:52,828 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:33:52,829 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:52,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-04-25 05:33:53,029 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,SelfDestructingSolverStorable25 [2025-04-25 05:33:53,030 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:33:53,030 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:33:53,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1833788062, now seen corresponding path program 24 times [2025-04-25 05:33:53,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:33:53,030 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959779496] [2025-04-25 05:33:53,030 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:33:53,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:33:53,034 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 23 equivalence classes. [2025-04-25 05:33:53,096 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) and asserted 204 of 204 statements. [2025-04-25 05:33:53,097 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2025-04-25 05:33:53,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 125 proven. 944 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-04-25 05:33:53,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:33:53,622 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959779496] [2025-04-25 05:33:53,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959779496] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:33:53,622 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177254488] [2025-04-25 05:33:53,622 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:33:53,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:33:53,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:33:53,624 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 05:33:53,626 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 05:33:53,649 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 204 statements into 23 equivalence classes. [2025-04-25 05:33:53,700 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) and asserted 204 of 204 statements. [2025-04-25 05:33:53,700 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 23 check-sat command(s) [2025-04-25 05:33:53,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:53,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 112 conjuncts are in the unsatisfiable core [2025-04-25 05:33:53,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:33:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-25 05:33:53,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:33:53,916 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:33:53,916 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2025-04-25 05:33:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 919 trivial. 0 not checked. [2025-04-25 05:33:54,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177254488] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:33:54,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:33:54,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 21 [2025-04-25 05:33:54,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059999794] [2025-04-25 05:33:54,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:33:54,049 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-25 05:33:54,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:33:54,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-25 05:33:54,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2025-04-25 05:33:54,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:33:54,050 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:33:54,050 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.2727272727272725) internal successors, (94), 21 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:54,050 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:33:54,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:33:54,361 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:33:54,367 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 05:33:54,561 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-25 05:33:54,561 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:33:54,561 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:33:54,562 INFO L85 PathProgramCache]: Analyzing trace with hash 916270875, now seen corresponding path program 25 times [2025-04-25 05:33:54,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:33:54,562 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272777001] [2025-04-25 05:33:54,562 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:33:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:33:54,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-04-25 05:33:54,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-04-25 05:33:54,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:33:54,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 159 proven. 958 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2025-04-25 05:33:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:33:58,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272777001] [2025-04-25 05:33:58,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272777001] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:33:58,474 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292758301] [2025-04-25 05:33:58,474 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:33:58,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:33:58,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:33:58,475 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 05:33:58,476 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 05:33:58,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-04-25 05:33:58,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-04-25 05:33:58,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:33:58,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:33:58,543 WARN L254 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 334 conjuncts are in the unsatisfiable core [2025-04-25 05:33:58,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:34:17,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 0 proven. 1758 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:34:17,009 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:35:05,477 WARN L286 SmtUtils]: Spent 15.67s on a formula simplification that was a NOOP. DAG size: 2375 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-25 05:35:05,478 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:35:05,479 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 0 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 1431 case distinctions, treesize of input 354 treesize of output 7378 [2025-04-25 05:35:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1758 backedges. 0 proven. 1758 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:35:36,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292758301] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:35:36,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:35:36,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 116, 116] total 277 [2025-04-25 05:35:36,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558158739] [2025-04-25 05:35:36,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:35:36,523 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 278 states [2025-04-25 05:35:36,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:35:36,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 278 interpolants. [2025-04-25 05:35:36,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4545, Invalid=72461, Unknown=0, NotChecked=0, Total=77006 [2025-04-25 05:35:36,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:35:36,527 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:35:36,527 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 278 states, 278 states have (on average 1.7446043165467626) internal successors, (485), 277 states have internal predecessors, (485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:35:36,527 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:35:36,528 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:36:43,812 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:36:43,813 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 05:36:43,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-04-25 05:36:44,014 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-04-25 05:36:44,014 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:36:44,014 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:36:44,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1860549478, now seen corresponding path program 26 times [2025-04-25 05:36:44,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:36:44,014 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475983222] [2025-04-25 05:36:44,014 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:36:44,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:36:44,019 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 218 statements into 2 equivalence classes. [2025-04-25 05:36:44,033 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 218 of 218 statements. [2025-04-25 05:36:44,033 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:36:44,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:36:44,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 245 proven. 1066 refuted. 0 times theorem prover too weak. 757 trivial. 0 not checked. [2025-04-25 05:36:44,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:36:44,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475983222] [2025-04-25 05:36:44,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475983222] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:36:44,516 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439240819] [2025-04-25 05:36:44,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:36:44,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:36:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:36:44,517 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 05:36:44,518 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 05:36:44,548 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 218 statements into 2 equivalence classes. [2025-04-25 05:36:44,585 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 218 of 218 statements. [2025-04-25 05:36:44,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:36:44,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:36:44,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 118 conjuncts are in the unsatisfiable core [2025-04-25 05:36:44,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:36:44,777 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-04-25 05:36:44,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 1040 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2025-04-25 05:36:44,787 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:36:44,823 INFO L325 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-04-25 05:36:44,823 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2025-04-25 05:36:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 1040 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2025-04-25 05:36:44,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439240819] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:36:44,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:36:44,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 18 [2025-04-25 05:36:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322897354] [2025-04-25 05:36:44,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:36:44,972 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-04-25 05:36:44,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:36:44,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-04-25 05:36:44,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2025-04-25 05:36:44,972 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:36:44,972 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:36:44,973 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.631578947368421) internal successors, (88), 18 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 05:36:44,973 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:36:45,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-04-25 05:36:45,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-25 05:36:45,240 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 05:36:45,435 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-04-25 05:36:45,435 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-25 05:36:45,436 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:36:45,436 INFO L85 PathProgramCache]: Analyzing trace with hash 82883351, now seen corresponding path program 27 times [2025-04-25 05:36:45,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:36:45,436 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105630780] [2025-04-25 05:36:45,436 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:36:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:36:45,440 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 222 statements into 25 equivalence classes. [2025-04-25 05:36:45,573 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) and asserted 222 of 222 statements. [2025-04-25 05:36:45,573 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2025-04-25 05:36:45,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:36:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2077 backedges. 33 proven. 1607 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2025-04-25 05:36:52,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:36:52,482 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105630780] [2025-04-25 05:36:52,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105630780] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:36:52,482 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434468936] [2025-04-25 05:36:52,482 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:36:52,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:36:52,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:36:52,483 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 05:36:52,484 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 05:36:52,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 222 statements into 25 equivalence classes. [2025-04-25 05:36:52,570 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) and asserted 222 of 222 statements. [2025-04-25 05:36:52,570 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2025-04-25 05:36:52,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:36:52,574 WARN L254 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 366 conjuncts are in the unsatisfiable core [2025-04-25 05:36:52,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:37:13,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2077 backedges. 0 proven. 2077 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:37:13,876 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:38:16,082 WARN L286 SmtUtils]: Spent 20.32s on a formula simplification that was a NOOP. DAG size: 2725 (called from [L 323] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-04-25 05:38:16,083 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 05:38:16,084 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 58 select indices, 58 select index equivalence classes, 0 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 1653 case distinctions, treesize of input 401 treesize of output 8513 [2025-04-25 05:38:21,378 WARN L286 SmtUtils]: Spent 5.29s on a formula simplification. DAG size of input: 2793 DAG size of output: 1169 (called from [L 726] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-04-25 05:39:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2077 backedges. 0 proven. 2077 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:39:00,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434468936] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:39:00,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:39:00,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 131, 130] total 317 [2025-04-25 05:39:00,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497229066] [2025-04-25 05:39:00,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:39:00,602 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 318 states [2025-04-25 05:39:00,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:39:00,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 318 interpolants. [2025-04-25 05:39:00,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8292, Invalid=92514, Unknown=0, NotChecked=0, Total=100806 [2025-04-25 05:39:00,607 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:39:00,607 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:39:00,608 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 318 states, 318 states have (on average 1.6603773584905661) internal successors, (528), 317 states have internal predecessors, (528), 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 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 209 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:39:00,608 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-25 05:39:00,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-04-25 05:39:00,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-25 05:39:00,609 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:39:38,966 WARN L286 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 460 DAG size of output: 383 (called from [L 386] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-04-25 05:39:49,128 WARN L286 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 456 DAG size of output: 378 (called from [L 386] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2025-04-25 05:40:58,951 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 05:40:58,955 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 05:40:58,955 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 05:40:58,955 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 05:40:59,145 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:40:59,145 WARN L610 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-80-32-3-1 term,while SimplifyDDA2 was simplifying 30 xjuncts wrt. a ∧-71-30-1 context. [2025-04-25 05:40:59,147 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-04-25 05:40:59,148 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-25 05:40:59,148 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-25 05:40:59,152 INFO L422 BasicCegarLoop]: Path program histogram: [27, 2, 1] [2025-04-25 05:40:59,154 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 05:40:59,154 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 05:40:59,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-25 05:40:59,163 INFO L201 PluginConnector]: Adding new model queue-add-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 05:40:59 BasicIcfg [2025-04-25 05:40:59,163 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 05:40:59,164 INFO L158 Benchmark]: Toolchain (without parser) took 843484.38ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 101.0MB in the beginning and 1.1GB in the end (delta: -961.0MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2025-04-25 05:40:59,164 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 05:40:59,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 98.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 05:40:59,164 INFO L158 Benchmark]: Boogie Preprocessor took 23.35ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 97.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 05:40:59,164 INFO L158 Benchmark]: RCFGBuilder took 192.27ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 87.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 05:40:59,165 INFO L158 Benchmark]: TraceAbstraction took 843234.41ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 87.4MB in the beginning and 1.1GB in the end (delta: -974.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2025-04-25 05:40:59,165 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 0.33ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 98.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 23.35ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 97.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 192.27ms. Allocated memory is still 167.8MB. Free memory was 97.9MB in the beginning and 87.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 843234.41ms. Allocated memory was 167.8MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 87.4MB in the beginning and 1.1GB in the end (delta: -974.6MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11114, independent: 6417, independent conditional: 6177, independent unconditional: 240, dependent: 4697, dependent conditional: 4695, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6596, independent: 6417, independent conditional: 0, independent unconditional: 6417, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6596, independent: 6206, independent conditional: 0, independent unconditional: 6206, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 4518, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 32, Number of trivial persistent sets: 16, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11114, independent: 6417, independent conditional: 6177, independent unconditional: 240, dependent: 4697, dependent conditional: 4695, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6596, independent: 6417, independent conditional: 0, independent unconditional: 6417, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 213, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 6596, independent: 6206, independent conditional: 0, independent unconditional: 6206, dependent: 177, dependent conditional: 0, dependent unconditional: 177, unknown: 213, unknown conditional: 0, unknown unconditional: 213] , Statistics on independence cache: Total cache size (in pairs): 213, Positive cache size: 211, Positive conditional cache size: 0, Positive unconditional cache size: 211, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 4518 - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-80-32-3-1 term,while SimplifyDDA2 was simplifying 30 xjuncts wrt. a ∧-71-30-1 context. - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-80-32-3-1 term,while SimplifyDDA2 was simplifying 30 xjuncts wrt. a ∧-71-30-1 context. - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-80-32-3-1 term,while SimplifyDDA2 was simplifying 30 xjuncts wrt. a ∧-71-30-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 42 locations, 45 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 843.1s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 27, EmptinessCheckTime: 395.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1839, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 439.8s InterpolantComputationTime, 6224 NumberOfCodeBlocks, 6224 NumberOfCodeBlocksAsserted, 381 NumberOfCheckSat, 9061 ConstructedInterpolants, 6 QuantifiedInterpolants, 307781 SizeOfPredicates, 321 NumberOfNonLiveVariables, 7003 ConjunctsInSsa, 2974 ConjunctsInUnsatCore, 84 InterpolantComputations, 4 PerfectInterpolantSequences, 21381/53144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown