/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-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 05:50:19,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 05:50:19,840 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 05:50:19,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 05:50:19,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 05:50:19,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 05:50:19,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 05:50:19,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 05:50:19,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 05:50:19,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 05:50:19,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 05:50:19,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 05:50:19,867 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 05:50:19,867 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 05:50:19,868 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 05:50:19,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 05:50:19,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 05:50:19,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:50:19,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:50:19,870 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 05:50:19,870 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 05:50:19,871 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 05:50:19,871 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 05:50:20,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 05:50:20,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 05:50:20,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 05:50:20,087 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 05:50:20,087 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 05:50:20,088 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2025-04-25 05:50:20,088 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2025-04-25 05:50:20,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 05:50:20,106 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 05:50:20,106 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 05:50:20,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 05:50:20,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 05:50:20,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,138 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 05:50:20,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 05:50:20,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 05:50:20,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 05:50:20,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 05:50:20,143 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,146 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,149 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 05:50:20,155 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 05:50:20,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 05:50:20,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 05:50:20,156 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/1) ... [2025-04-25 05:50:20,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 05:50:20,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:20,181 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 05:50:20,185 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 05:50:20,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 05:50:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 05:50:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 05:50:20,203 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 05:50:20,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 05:50:20,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 05:50:20,204 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 05:50:20,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 05:50:20,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 05:50:20,204 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 05:50:20,236 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 05:50:20,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 05:50:20,297 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 05:50:20,297 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 05:50:20,309 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 05:50:20,309 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 05:50:20,310 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 05:50:20 BoogieIcfgContainer [2025-04-25 05:50:20,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 05:50:20,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 05:50:20,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 05:50:20,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 05:50:20,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 05:50:20" (1/2) ... [2025-04-25 05:50:20,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58329466 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 05:50:20, skipping insertion in model container [2025-04-25 05:50:20,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 05:50:20" (2/2) ... [2025-04-25 05:50:20,318 INFO L128 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2025-04-25 05:50:20,328 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 05:50:20,329 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG threaded-sum-2.wvr.bpl that has 3 procedures, 23 locations, 23 edges, 1 initial locations, 2 loop locations, and 1 error locations. [2025-04-25 05:50:20,329 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 05:50:20,356 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-25 05:50:20,392 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 05:50:20,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 05:50:20,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:20,397 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 05:50:20,398 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 05:50:20,433 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 05:50:20,442 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 05:50:20,447 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;@61608a70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 05:50:20,447 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-25 05:50:20,482 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 05:50:20,485 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:20,485 INFO L85 PathProgramCache]: Analyzing trace with hash 505713686, now seen corresponding path program 1 times [2025-04-25 05:50:20,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:20,490 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004636509] [2025-04-25 05:50:20,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:50:20,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:20,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-25 05:50:20,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-25 05:50:20,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:50:20,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:20,582 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 05:50:20,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:20,582 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004636509] [2025-04-25 05:50:20,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004636509] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:50:20,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:50:20,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 05:50:20,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355406996] [2025-04-25 05:50:20,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:50:20,587 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 05:50:20,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:20,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 05:50:20,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 05:50:20,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,601 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:20,602 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 05:50:20,602 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,653 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,654 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 05:50:20,654 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 05:50:20,654 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash -94193603, now seen corresponding path program 1 times [2025-04-25 05:50:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:20,654 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005887509] [2025-04-25 05:50:20,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:50:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:20,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-25 05:50:20,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-25 05:50:20,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:50:20,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:20,706 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 05:50:20,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:20,706 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005887509] [2025-04-25 05:50:20,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005887509] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:50:20,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:50:20,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 05:50:20,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870221728] [2025-04-25 05:50:20,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:50:20,707 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 05:50:20,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:20,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 05:50:20,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 05:50:20,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,708 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:20,708 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 05:50:20,708 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,708 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,760 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 05:50:20,760 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 05:50:20,761 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:20,761 INFO L85 PathProgramCache]: Analyzing trace with hash 434100626, now seen corresponding path program 1 times [2025-04-25 05:50:20,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:20,761 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498238219] [2025-04-25 05:50:20,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:50:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:20,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 05:50:20,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 05:50:20,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:50:20,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 05:50:20,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:20,827 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498238219] [2025-04-25 05:50:20,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498238219] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:50:20,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:50:20,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 05:50:20,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870494728] [2025-04-25 05:50:20,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:50:20,830 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 05:50:20,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:20,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 05:50:20,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-25 05:50:20,831 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,831 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:20,831 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:50:20,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,831 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:20,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,851 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:20,852 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:20,852 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 05:50:20,852 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 05:50:20,852 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:20,852 INFO L85 PathProgramCache]: Analyzing trace with hash -194867527, now seen corresponding path program 2 times [2025-04-25 05:50:20,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:20,852 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215746647] [2025-04-25 05:50:20,852 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:50:20,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:20,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-04-25 05:50:20,866 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 05:50:20,866 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:50:20,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:21,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:21,205 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215746647] [2025-04-25 05:50:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215746647] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:21,205 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895148812] [2025-04-25 05:50:21,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:50:21,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:21,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:21,209 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 05:50:21,209 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 05:50:21,232 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-04-25 05:50:21,238 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-04-25 05:50:21,239 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:50:21,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:21,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-04-25 05:50:21,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:21,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:21,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895148812] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:21,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:21,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2025-04-25 05:50:21,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497117286] [2025-04-25 05:50:21,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:21,872 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-25 05:50:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:21,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-25 05:50:21,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2025-04-25 05:50:21,874 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:21,874 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:21,874 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 30 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:50:21,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:21,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:21,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:21,874 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:22,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:22,168 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:50:22,174 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 05:50:22,371 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:22,372 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 05:50:22,372 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:22,372 INFO L85 PathProgramCache]: Analyzing trace with hash -816800706, now seen corresponding path program 1 times [2025-04-25 05:50:22,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:22,372 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138173097] [2025-04-25 05:50:22,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 05:50:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:22,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-04-25 05:50:22,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 05:50:22,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:50:22,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 05:50:22,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:22,404 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138173097] [2025-04-25 05:50:22,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138173097] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:50:22,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:50:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 05:50:22,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347573729] [2025-04-25 05:50:22,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:50:22,405 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 05:50:22,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:22,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 05:50:22,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 05:50:22,405 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:22,405 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:22,406 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:50:22,406 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,406 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,406 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:22,406 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:50:22,406 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:22,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:22,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:22,439 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:50:22,440 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:22,440 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 05:50:22,440 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 05:50:22,440 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:22,440 INFO L85 PathProgramCache]: Analyzing trace with hash 521411420, now seen corresponding path program 3 times [2025-04-25 05:50:22,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:22,441 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65484781] [2025-04-25 05:50:22,441 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:50:22,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:22,444 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 05:50:22,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 05:50:22,447 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 05:50:22,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:22,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:22,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:22,645 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65484781] [2025-04-25 05:50:22,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65484781] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:22,645 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376543462] [2025-04-25 05:50:22,645 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:50:22,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:22,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:22,648 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 05:50:22,649 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 05:50:22,666 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-04-25 05:50:22,672 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 05:50:22,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 05:50:22,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:22,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 05:50:22,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:22,918 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:23,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:23,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376543462] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:23,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:23,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2025-04-25 05:50:23,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686702235] [2025-04-25 05:50:23,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:23,131 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-25 05:50:23,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:23,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-25 05:50:23,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2025-04-25 05:50:23,138 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:23,138 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:23,138 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.064516129032258) internal successors, (64), 30 states have internal predecessors, (64), 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 05:50:23,138 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:23,139 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:23,139 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:23,139 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 05:50:23,139 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:23,139 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:23,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:23,810 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 05:50:24,005 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:24,006 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 05:50:24,006 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1651598781, now seen corresponding path program 4 times [2025-04-25 05:50:24,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:24,006 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793291869] [2025-04-25 05:50:24,006 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:50:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:24,009 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-04-25 05:50:24,011 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-25 05:50:24,011 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:50:24,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 05:50:24,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:24,179 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793291869] [2025-04-25 05:50:24,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793291869] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:24,179 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1861109686] [2025-04-25 05:50:24,179 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:50:24,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:24,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:24,182 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 05:50:24,184 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 05:50:24,205 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-04-25 05:50:24,210 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-25 05:50:24,210 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:50:24,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:24,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-04-25 05:50:24,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:24,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:24,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1861109686] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:24,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:24,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 37 [2025-04-25 05:50:24,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430771116] [2025-04-25 05:50:24,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:24,804 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-04-25 05:50:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:24,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-04-25 05:50:24,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1175, Unknown=0, NotChecked=0, Total=1406 [2025-04-25 05:50:24,805 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:24,805 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:24,805 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.8157894736842106) internal successors, (69), 37 states have internal predecessors, (69), 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 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:24,805 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:25,734 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:25,735 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-04-25 05:50:25,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-25 05:50:25,936 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:25,936 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 05:50:25,936 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1154040160, now seen corresponding path program 5 times [2025-04-25 05:50:25,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:25,937 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963369123] [2025-04-25 05:50:25,937 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:50:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:25,939 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 29 statements into 3 equivalence classes. [2025-04-25 05:50:25,942 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 05:50:25,942 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 05:50:25,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:26,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-25 05:50:26,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:26,106 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963369123] [2025-04-25 05:50:26,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963369123] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:26,106 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129931092] [2025-04-25 05:50:26,107 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:50:26,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:26,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:26,108 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 05:50:26,110 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 05:50:26,124 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 29 statements into 3 equivalence classes. [2025-04-25 05:50:26,130 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 05:50:26,130 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 05:50:26,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:26,130 WARN L254 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-04-25 05:50:26,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:26,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:26,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129931092] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:26,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:26,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2025-04-25 05:50:26,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420214206] [2025-04-25 05:50:26,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:26,648 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-25 05:50:26,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:26,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-25 05:50:26,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1167, Unknown=0, NotChecked=0, Total=1332 [2025-04-25 05:50:26,649 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:26,649 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:26,649 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.972972972972973) internal successors, (73), 36 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 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-04-25 05:50:26,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:50:28,379 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-04-25 05:50:28,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-25 05:50:28,580 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,SelfDestructingSolverStorable7 [2025-04-25 05:50:28,580 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 05:50:28,580 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:28,580 INFO L85 PathProgramCache]: Analyzing trace with hash -801349235, now seen corresponding path program 6 times [2025-04-25 05:50:28,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:28,581 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165599403] [2025-04-25 05:50:28,581 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:50:28,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:28,583 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 42 statements into 6 equivalence classes. [2025-04-25 05:50:28,593 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 42 of 42 statements. [2025-04-25 05:50:28,593 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-25 05:50:28,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-04-25 05:50:28,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:28,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165599403] [2025-04-25 05:50:28,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165599403] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:28,838 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784367911] [2025-04-25 05:50:28,838 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:50:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:28,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:28,839 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 05:50:28,840 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 05:50:28,856 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 42 statements into 6 equivalence classes. [2025-04-25 05:50:28,867 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 42 of 42 statements. [2025-04-25 05:50:28,868 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-25 05:50:28,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:28,868 WARN L254 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-04-25 05:50:28,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:29,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:29,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784367911] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:29,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:29,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 23, 23] total 55 [2025-04-25 05:50:29,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580863551] [2025-04-25 05:50:29,966 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:29,966 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-25 05:50:29,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:29,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-25 05:50:29,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=2746, Unknown=0, NotChecked=0, Total=3080 [2025-04-25 05:50:29,967 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:29,967 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:29,968 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.7857142857142858) internal successors, (100), 55 states have internal predecessors, (100), 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 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-04-25 05:50:29,968 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:34,093 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-04-25 05:50:34,094 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-04-25 05:50:34,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-25 05:50:34,294 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:34,294 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 05:50:34,295 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:34,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1206944455, now seen corresponding path program 2 times [2025-04-25 05:50:34,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:34,295 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536363405] [2025-04-25 05:50:34,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:50:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:34,298 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-04-25 05:50:34,301 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 05:50:34,304 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:50:34,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-04-25 05:50:34,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:34,598 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536363405] [2025-04-25 05:50:34,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536363405] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:34,598 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065311341] [2025-04-25 05:50:34,598 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:50:34,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:34,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:34,600 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 05:50:34,601 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 05:50:34,621 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-04-25 05:50:34,631 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 54 of 54 statements. [2025-04-25 05:50:34,631 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:50:34,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:34,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-04-25 05:50:34,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:35,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065311341] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:36,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:36,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 30, 30] total 69 [2025-04-25 05:50:36,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997241644] [2025-04-25 05:50:36,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:36,082 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-25 05:50:36,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:36,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-25 05:50:36,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=4184, Unknown=0, NotChecked=0, Total=4830 [2025-04-25 05:50:36,083 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:36,083 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:36,084 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 1.7857142857142858) internal successors, (125), 69 states have internal predecessors, (125), 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 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-04-25 05:50:36,084 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:50:41,846 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2025-04-25 05:50:41,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-25 05:50:42,046 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,SelfDestructingSolverStorable9 [2025-04-25 05:50:42,047 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 05:50:42,047 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:42,047 INFO L85 PathProgramCache]: Analyzing trace with hash -319129655, now seen corresponding path program 3 times [2025-04-25 05:50:42,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:42,047 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736281451] [2025-04-25 05:50:42,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:50:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:42,050 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 9 equivalence classes. [2025-04-25 05:50:42,056 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 05:50:42,056 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-25 05:50:42,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:42,406 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-04-25 05:50:42,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:42,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736281451] [2025-04-25 05:50:42,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736281451] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:42,407 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921559687] [2025-04-25 05:50:42,407 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:50:42,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:42,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:42,409 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 05:50:42,410 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 05:50:42,426 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 9 equivalence classes. [2025-04-25 05:50:42,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 64 of 64 statements. [2025-04-25 05:50:42,442 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-25 05:50:42,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:42,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-04-25 05:50:42,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:43,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:44,303 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:44,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921559687] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:44,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:44,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 36, 36] total 81 [2025-04-25 05:50:44,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269834496] [2025-04-25 05:50:44,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:44,304 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2025-04-25 05:50:44,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:44,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2025-04-25 05:50:44,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=913, Invalid=5729, Unknown=0, NotChecked=0, Total=6642 [2025-04-25 05:50:44,306 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:44,306 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:44,306 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 1.8414634146341464) internal successors, (151), 81 states have internal predecessors, (151), 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 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2025-04-25 05:50:44,306 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:50:51,853 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 05:50:51,858 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 05:50:52,053 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:52,054 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 05:50:52,054 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:50:52,054 INFO L85 PathProgramCache]: Analyzing trace with hash 2009026065, now seen corresponding path program 4 times [2025-04-25 05:50:52,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:50:52,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416194610] [2025-04-25 05:50:52,054 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:50:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:50:52,057 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-04-25 05:50:52,061 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-25 05:50:52,061 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:50:52,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:52,465 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-25 05:50:52,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:50:52,466 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416194610] [2025-04-25 05:50:52,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416194610] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:50:52,466 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699569187] [2025-04-25 05:50:52,466 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:50:52,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:50:52,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:50:52,468 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 05:50:52,468 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 05:50:52,484 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 79 statements into 2 equivalence classes. [2025-04-25 05:50:52,495 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-25 05:50:52,495 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:50:52,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:50:52,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-04-25 05:50:52,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:50:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:53,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:50:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 0 proven. 313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:50:54,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699569187] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:50:54,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:50:54,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 42, 42] total 95 [2025-04-25 05:50:54,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640063084] [2025-04-25 05:50:54,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:50:54,739 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-04-25 05:50:54,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:50:54,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-04-25 05:50:54,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=8066, Unknown=0, NotChecked=0, Total=9120 [2025-04-25 05:50:54,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:50:54,742 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:50:54,742 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 1.9270833333333333) internal successors, (185), 95 states have internal predecessors, (185), 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 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 05:50:54,742 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:02,043 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2025-04-25 05:51:02,044 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:02,050 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 05:51:02,244 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:51:02,245 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 05:51:02,245 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:51:02,245 INFO L85 PathProgramCache]: Analyzing trace with hash 706657888, now seen corresponding path program 5 times [2025-04-25 05:51:02,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:51:02,245 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650785162] [2025-04-25 05:51:02,245 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:51:02,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:51:02,248 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 104 statements into 14 equivalence classes. [2025-04-25 05:51:02,257 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) and asserted 104 of 104 statements. [2025-04-25 05:51:02,257 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2025-04-25 05:51:02,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2025-04-25 05:51:02,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:51:02,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650785162] [2025-04-25 05:51:02,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650785162] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 05:51:02,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 05:51:02,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 05:51:02,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361716215] [2025-04-25 05:51:02,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 05:51:02,317 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 05:51:02,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:51:02,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 05:51:02,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-25 05:51:02,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:02,318 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:51:02,318 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 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 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:02,318 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:02,572 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:02,572 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-25 05:51:02,573 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 05:51:02,573 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:51:02,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1831273199, now seen corresponding path program 7 times [2025-04-25 05:51:02,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:51:02,573 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673660574] [2025-04-25 05:51:02,573 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:51:02,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:51:02,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-25 05:51:02,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-25 05:51:02,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:51:02,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:03,020 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2025-04-25 05:51:03,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:51:03,020 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673660574] [2025-04-25 05:51:03,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673660574] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:51:03,020 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334347898] [2025-04-25 05:51:03,020 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:51:03,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:51:03,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:51:03,022 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 05:51:03,023 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 05:51:03,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-04-25 05:51:03,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-04-25 05:51:03,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:51:03,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:03,054 WARN L254 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 91 conjuncts are in the unsatisfiable core [2025-04-25 05:51:03,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:51:04,364 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:04,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:51:05,859 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:05,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334347898] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:51:05,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:51:05,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 48, 48] total 108 [2025-04-25 05:51:05,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176764476] [2025-04-25 05:51:05,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:51:05,860 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-04-25 05:51:05,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:51:05,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-04-25 05:51:05,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1585, Invalid=10187, Unknown=0, NotChecked=0, Total=11772 [2025-04-25 05:51:05,862 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:05,862 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:51:05,863 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 1.7522935779816513) internal successors, (191), 108 states have internal predecessors, (191), 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 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:05,863 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:16,142 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:16,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-04-25 05:51:16,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-25 05:51:16,343 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-04-25 05:51:16,343 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 05:51:16,344 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:51:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1909612683, now seen corresponding path program 6 times [2025-04-25 05:51:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:51:16,344 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510486533] [2025-04-25 05:51:16,344 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:51:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:51:16,350 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 114 statements into 16 equivalence classes. [2025-04-25 05:51:16,359 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) and asserted 114 of 114 statements. [2025-04-25 05:51:16,359 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2025-04-25 05:51:16,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:16,957 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 122 proven. 81 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2025-04-25 05:51:16,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:51:16,957 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510486533] [2025-04-25 05:51:16,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510486533] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:51:16,957 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764743232] [2025-04-25 05:51:16,957 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:51:16,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:51:16,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:51:16,959 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 05:51:16,959 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 05:51:16,981 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 114 statements into 16 equivalence classes. [2025-04-25 05:51:17,000 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) and asserted 114 of 114 statements. [2025-04-25 05:51:17,000 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2025-04-25 05:51:17,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:17,001 WARN L254 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 127 conjuncts are in the unsatisfiable core [2025-04-25 05:51:17,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:51:19,154 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:19,154 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:51:21,710 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:21,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764743232] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:51:21,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:51:21,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 66, 66] total 144 [2025-04-25 05:51:21,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112390385] [2025-04-25 05:51:21,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:51:21,711 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-04-25 05:51:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:51:21,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-04-25 05:51:21,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2729, Invalid=18151, Unknown=0, NotChecked=0, Total=20880 [2025-04-25 05:51:21,715 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:21,715 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:51:21,715 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 1.7655172413793103) internal successors, (256), 144 states have internal predecessors, (256), 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 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:21,715 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:21,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:51:21,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:21,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:21,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2025-04-25 05:51:21,716 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:44,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:51:44,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:51:44,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-25 05:51:45,152 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:51:45,152 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 05:51:45,153 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:51:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash 255632381, now seen corresponding path program 7 times [2025-04-25 05:51:45,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:51:45,153 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41935793] [2025-04-25 05:51:45,153 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:51:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:51:45,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-25 05:51:45,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-25 05:51:45,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:51:45,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:45,785 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 159 proven. 132 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-04-25 05:51:45,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:51:45,786 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41935793] [2025-04-25 05:51:45,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41935793] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:51:45,786 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852931310] [2025-04-25 05:51:45,786 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:51:45,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:51:45,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:51:45,788 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 05:51:45,789 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 05:51:45,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-04-25 05:51:45,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-04-25 05:51:45,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:51:45,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:51:45,828 WARN L254 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 137 conjuncts are in the unsatisfiable core [2025-04-25 05:51:45,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:51:48,150 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:48,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:51:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:51:51,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852931310] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:51:51,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:51:51,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 71, 71] total 153 [2025-04-25 05:51:51,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974047545] [2025-04-25 05:51:51,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:51:51,065 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 154 states [2025-04-25 05:51:51,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:51:51,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2025-04-25 05:51:51,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3048, Invalid=20514, Unknown=0, NotChecked=0, Total=23562 [2025-04-25 05:51:51,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:51:51,068 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:51:51,068 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 154 states, 154 states have (on average 1.7922077922077921) internal successors, (276), 153 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2025-04-25 05:51:51,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:09,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:09,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:09,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:09,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:09,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:09,248 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:09,254 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 05:52:09,448 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-04-25 05:52:09,448 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 05:52:09,449 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:52:09,449 INFO L85 PathProgramCache]: Analyzing trace with hash -630655027, now seen corresponding path program 8 times [2025-04-25 05:52:09,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:52:09,449 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874406572] [2025-04-25 05:52:09,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:52:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:52:09,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-04-25 05:52:09,460 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-04-25 05:52:09,460 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:52:09,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 171 proven. 444 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-04-25 05:52:10,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:52:10,296 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874406572] [2025-04-25 05:52:10,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874406572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:52:10,296 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819985890] [2025-04-25 05:52:10,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:52:10,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:52:10,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:52:10,298 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 05:52:10,298 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 05:52:10,320 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 154 statements into 2 equivalence classes. [2025-04-25 05:52:10,342 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 154 of 154 statements. [2025-04-25 05:52:10,342 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:52:10,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:10,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 163 conjuncts are in the unsatisfiable core [2025-04-25 05:52:10,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:52:13,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:52:13,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:52:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 0 proven. 1131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:52:17,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819985890] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:52:17,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:52:17,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 84, 84] total 182 [2025-04-25 05:52:17,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675998853] [2025-04-25 05:52:17,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:52:17,264 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 183 states [2025-04-25 05:52:17,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:52:17,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2025-04-25 05:52:17,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3682, Invalid=29624, Unknown=0, NotChecked=0, Total=33306 [2025-04-25 05:52:17,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:17,266 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:52:17,267 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 183 states, 183 states have (on average 1.9125683060109289) internal successors, (350), 182 states have internal predecessors, (350), 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 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:17,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:43,526 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:43,527 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:52:43,534 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-25 05:52:43,730 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-04-25 05:52:43,731 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 05:52:43,731 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:52:43,731 INFO L85 PathProgramCache]: Analyzing trace with hash -998726962, now seen corresponding path program 9 times [2025-04-25 05:52:43,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:52:43,731 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004857837] [2025-04-25 05:52:43,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:52:43,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:52:43,735 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 23 equivalence classes. [2025-04-25 05:52:43,738 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 65 of 172 statements. [2025-04-25 05:52:43,738 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-25 05:52:43,738 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 519 proven. 3 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2025-04-25 05:52:43,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:52:43,791 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004857837] [2025-04-25 05:52:43,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004857837] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:52:43,791 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2039639175] [2025-04-25 05:52:43,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:52:43,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:52:43,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:52:43,793 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 05:52:43,795 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 05:52:43,819 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 172 statements into 23 equivalence classes. [2025-04-25 05:52:43,831 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 65 of 172 statements. [2025-04-25 05:52:43,831 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-04-25 05:52:43,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:43,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-25 05:52:43,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:52:43,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 519 proven. 3 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2025-04-25 05:52:43,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:52:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 519 proven. 3 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2025-04-25 05:52:43,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2039639175] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:52:43,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:52:43,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 7 [2025-04-25 05:52:43,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005447142] [2025-04-25 05:52:43,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:52:43,952 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 05:52:43,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:52:43,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 05:52:43,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-25 05:52:43,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:43,952 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:52:43,953 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:52:43,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:52:44,069 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:52:44,075 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 05:52:44,270 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-25 05:52:44,270 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 05:52:44,270 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:52:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash 906578781, now seen corresponding path program 8 times [2025-04-25 05:52:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:52:44,270 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43309895] [2025-04-25 05:52:44,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:52:44,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:52:44,274 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 142 statements into 2 equivalence classes. [2025-04-25 05:52:44,280 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 142 of 142 statements. [2025-04-25 05:52:44,280 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:52:44,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:45,066 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 393 proven. 98 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-04-25 05:52:45,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:52:45,066 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43309895] [2025-04-25 05:52:45,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43309895] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:52:45,066 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766575037] [2025-04-25 05:52:45,066 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 05:52:45,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:52:45,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:52:45,068 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 05:52:45,069 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 05:52:45,087 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 142 statements into 2 equivalence classes. [2025-04-25 05:52:45,107 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 142 of 142 statements. [2025-04-25 05:52:45,107 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 05:52:45,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:52:45,110 WARN L254 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 163 conjuncts are in the unsatisfiable core [2025-04-25 05:52:45,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:52:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 0 proven. 965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:52:48,191 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:52:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 0 proven. 965 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:52:52,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766575037] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:52:52,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:52:52,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 84, 84] total 183 [2025-04-25 05:52:52,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102171268] [2025-04-25 05:52:52,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:52:52,144 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2025-04-25 05:52:52,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:52:52,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2025-04-25 05:52:52,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4447, Invalid=29225, Unknown=0, NotChecked=0, Total=33672 [2025-04-25 05:52:52,146 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:52:52,146 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:52:52,147 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 1.7391304347826086) internal successors, (320), 183 states have internal predecessors, (320), 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 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:52:52,147 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:53:19,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:53:19,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:53:19,900 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:53:19,901 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2025-04-25 05:53:19,907 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 05:53:20,105 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:53:20,105 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 05:53:20,105 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:53:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash -199327323, now seen corresponding path program 9 times [2025-04-25 05:53:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:53:20,105 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784469428] [2025-04-25 05:53:20,105 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:53:20,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:53:20,109 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 24 equivalence classes. [2025-04-25 05:53:20,117 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 157 of 157 statements. [2025-04-25 05:53:20,117 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-25 05:53:20,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:53:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 454 proven. 151 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2025-04-25 05:53:21,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:53:21,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784469428] [2025-04-25 05:53:21,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784469428] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:53:21,032 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305678264] [2025-04-25 05:53:21,032 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 05:53:21,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:53:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:53:21,034 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 05:53:21,034 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 05:53:21,056 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 157 statements into 24 equivalence classes. [2025-04-25 05:53:21,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 157 of 157 statements. [2025-04-25 05:53:21,086 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-25 05:53:21,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:53:21,088 WARN L254 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 181 conjuncts are in the unsatisfiable core [2025-04-25 05:53:21,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:53:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 0 proven. 1245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:53:24,636 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:53:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 0 proven. 1245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:53:29,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305678264] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:53:29,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:53:29,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 93, 93] total 200 [2025-04-25 05:53:29,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73984277] [2025-04-25 05:53:29,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:53:29,290 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 201 states [2025-04-25 05:53:29,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:53:29,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2025-04-25 05:53:29,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5331, Invalid=34869, Unknown=0, NotChecked=0, Total=40200 [2025-04-25 05:53:29,293 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:53:29,293 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:53:29,293 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 201 states, 201 states have (on average 1.7313432835820894) internal successors, (348), 200 states have internal predecessors, (348), 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 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:53:29,293 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:53:29,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:53:29,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:53:29,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:53:29,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2025-04-25 05:53:29,294 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:54:05,910 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:54:05,911 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:54:05,911 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:54:05,911 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2025-04-25 05:54:05,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-04-25 05:54:06,111 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:54:06,111 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 05:54:06,112 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:54:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2025463535, now seen corresponding path program 10 times [2025-04-25 05:54:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:54:06,112 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569943819] [2025-04-25 05:54:06,112 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:54:06,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:54:06,116 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 199 statements into 2 equivalence classes. [2025-04-25 05:54:06,124 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-04-25 05:54:06,124 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:54:06,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:54:07,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 799 proven. 248 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2025-04-25 05:54:07,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:54:07,708 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569943819] [2025-04-25 05:54:07,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569943819] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:54:07,708 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208987649] [2025-04-25 05:54:07,708 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:54:07,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:54:07,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:54:07,710 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 05:54:07,711 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 05:54:07,736 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 199 statements into 2 equivalence classes. [2025-04-25 05:54:07,773 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 199 of 199 statements. [2025-04-25 05:54:07,774 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:54:07,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:54:07,776 WARN L254 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 229 conjuncts are in the unsatisfiable core [2025-04-25 05:54:07,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:54:13,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 0 proven. 1879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:54:13,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:54:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1879 backedges. 0 proven. 1879 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:54:20,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208987649] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:54:20,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:54:20,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 117, 117] total 248 [2025-04-25 05:54:20,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111350436] [2025-04-25 05:54:20,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:54:20,261 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2025-04-25 05:54:20,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:54:20,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2025-04-25 05:54:20,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8027, Invalid=53725, Unknown=0, NotChecked=0, Total=61752 [2025-04-25 05:54:20,266 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:54:20,266 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:54:20,266 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 1.7389558232931728) internal successors, (433), 248 states have internal predecessors, (433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:54:20,266 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 187 states. [2025-04-25 05:54:20,267 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:55:38,505 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:55:38,505 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:55:38,506 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2025-04-25 05:55:38,512 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 05:55:38,706 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:55:38,707 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 05:55:38,707 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:55:38,707 INFO L85 PathProgramCache]: Analyzing trace with hash -844073367, now seen corresponding path program 11 times [2025-04-25 05:55:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:55:38,707 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492765559] [2025-04-25 05:55:38,707 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:55:38,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:55:38,712 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 30 equivalence classes. [2025-04-25 05:55:38,731 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) and asserted 209 of 209 statements. [2025-04-25 05:55:38,731 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2025-04-25 05:55:38,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:55:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 597 proven. 1005 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2025-04-25 05:55:40,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:55:40,264 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492765559] [2025-04-25 05:55:40,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492765559] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:55:40,265 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362868749] [2025-04-25 05:55:40,265 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 05:55:40,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:55:40,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:55:40,266 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 05:55:40,268 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 05:55:40,291 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 209 statements into 30 equivalence classes. [2025-04-25 05:55:40,336 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) and asserted 209 of 209 statements. [2025-04-25 05:55:40,336 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2025-04-25 05:55:40,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:55:40,339 WARN L254 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 239 conjuncts are in the unsatisfiable core [2025-04-25 05:55:40,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:55:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 0 proven. 2150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:55:46,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:55:53,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 0 proven. 2150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:55:53,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362868749] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:55:53,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:55:53,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 121, 121] total 256 [2025-04-25 05:55:53,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132925056] [2025-04-25 05:55:53,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:55:53,725 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 257 states [2025-04-25 05:55:53,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:55:53,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 257 interpolants. [2025-04-25 05:55:53,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8315, Invalid=57477, Unknown=0, NotChecked=0, Total=65792 [2025-04-25 05:55:53,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:55:53,730 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:55:53,731 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 257 states, 257 states have (on average 1.7782101167315174) internal successors, (457), 256 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2025-04-25 05:55:53,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:56:51,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:56:51,235 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2025-04-25 05:56:51,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-04-25 05:56:51,436 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-04-25 05:56:51,436 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 05:56:51,436 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:56:51,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1087176397, now seen corresponding path program 12 times [2025-04-25 05:56:51,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:56:51,436 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988043325] [2025-04-25 05:56:51,436 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:56:51,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:56:51,442 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 259 statements into 31 equivalence classes. [2025-04-25 05:56:51,463 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) and asserted 259 of 259 statements. [2025-04-25 05:56:51,463 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2025-04-25 05:56:51,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:56:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 922 proven. 1297 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2025-04-25 05:56:53,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:56:53,663 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988043325] [2025-04-25 05:56:53,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988043325] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:56:53,663 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453846318] [2025-04-25 05:56:53,663 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 05:56:53,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:56:53,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:56:53,665 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 05:56:53,665 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 05:56:53,691 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 259 statements into 31 equivalence classes. [2025-04-25 05:56:53,739 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) and asserted 259 of 259 statements. [2025-04-25 05:56:53,739 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2025-04-25 05:56:53,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:56:53,743 WARN L254 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 301 conjuncts are in the unsatisfiable core [2025-04-25 05:56:53,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:57:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 0 proven. 3258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:57:02,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:57:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3258 backedges. 0 proven. 3258 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:57:13,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453846318] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:57:13,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:57:13,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 153, 153] total 323 [2025-04-25 05:57:13,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404465972] [2025-04-25 05:57:13,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:57:13,099 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 324 states [2025-04-25 05:57:13,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:57:13,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 324 interpolants. [2025-04-25 05:57:13,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13523, Invalid=91129, Unknown=0, NotChecked=0, Total=104652 [2025-04-25 05:57:13,105 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:57:13,105 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:57:13,105 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 324 states, 324 states have (on average 1.771604938271605) internal successors, (574), 323 states have internal predecessors, (574), 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 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:57:13,105 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2025-04-25 05:57:13,106 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:58:50,535 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-25 05:58:50,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2025-04-25 05:58:50,542 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 05:58:50,736 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:58:50,737 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 05:58:50,737 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:58:50,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2029617729, now seen corresponding path program 13 times [2025-04-25 05:58:50,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:58:50,737 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411697048] [2025-04-25 05:58:50,737 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:58:50,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:58:50,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-04-25 05:58:50,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-04-25 05:58:50,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:58:50,760 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:58:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4837 backedges. 2281 proven. 79 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2025-04-25 05:58:51,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:58:51,058 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411697048] [2025-04-25 05:58:51,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411697048] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:58:51,058 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308088899] [2025-04-25 05:58:51,058 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 05:58:51,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:58:51,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:58:51,060 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 05:58:51,060 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 05:58:51,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 316 statements into 1 equivalence classes. [2025-04-25 05:58:51,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 316 of 316 statements. [2025-04-25 05:58:51,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 05:58:51,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:58:51,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-04-25 05:58:51,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:58:51,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4837 backedges. 2281 proven. 79 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2025-04-25 05:58:51,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:58:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4837 backedges. 2281 proven. 79 refuted. 0 times theorem prover too weak. 2477 trivial. 0 not checked. [2025-04-25 05:58:51,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308088899] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:58:51,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:58:51,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2025-04-25 05:58:51,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603975466] [2025-04-25 05:58:51,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:58:51,353 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 05:58:51,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:58:51,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 05:58:51,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-04-25 05:58:51,353 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:58:51,353 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:58:51,353 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:58:51,353 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. [2025-04-25 05:58:51,354 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 05:58:51,398 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 217 states. [2025-04-25 05:58:51,399 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 05:58:51,405 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 05:58:51,599 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-04-25 05:58:51,600 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 05:58:51,600 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 05:58:51,600 INFO L85 PathProgramCache]: Analyzing trace with hash 138277497, now seen corresponding path program 10 times [2025-04-25 05:58:51,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 05:58:51,600 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876960484] [2025-04-25 05:58:51,600 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:58:51,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 05:58:51,605 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 227 statements into 2 equivalence classes. [2025-04-25 05:58:51,615 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-04-25 05:58:51,616 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:58:51,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:58:53,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 1309 proven. 265 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2025-04-25 05:58:53,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 05:58:53,625 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876960484] [2025-04-25 05:58:53,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876960484] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 05:58:53,625 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465846544] [2025-04-25 05:58:53,625 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 05:58:53,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 05:58:53,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 05:58:53,627 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 05:58:53,628 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 05:58:53,657 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 227 statements into 2 equivalence classes. [2025-04-25 05:58:53,690 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 227 of 227 statements. [2025-04-25 05:58:53,690 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 05:58:53,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 05:58:53,693 WARN L254 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 265 conjuncts are in the unsatisfiable core [2025-04-25 05:58:53,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 05:59:00,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 0 proven. 2544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:59:00,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 05:59:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2544 backedges. 0 proven. 2544 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 05:59:09,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465846544] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 05:59:09,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 05:59:09,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 135, 135] total 287 [2025-04-25 05:59:09,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071530101] [2025-04-25 05:59:09,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 05:59:09,974 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 288 states [2025-04-25 05:59:09,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 05:59:09,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 288 interpolants. [2025-04-25 05:59:09,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10835, Invalid=71821, Unknown=0, NotChecked=0, Total=82656 [2025-04-25 05:59:09,981 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 05:59:09,981 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 05:59:09,981 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 288 states, 288 states have (on average 1.7256944444444444) internal successors, (497), 287 states have internal predecessors, (497), 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 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 05:59:09,981 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 217 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 05:59:09,982 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:00:22,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:00:22,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:00:22,327 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 06:00:22,519 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-04-25 06:00:22,520 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 06:00:22,520 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:00:22,520 INFO L85 PathProgramCache]: Analyzing trace with hash -525274055, now seen corresponding path program 11 times [2025-04-25 06:00:22,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:00:22,520 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585997828] [2025-04-25 06:00:22,520 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:00:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:00:22,526 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 242 statements into 34 equivalence classes. [2025-04-25 06:00:22,545 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) and asserted 242 of 242 statements. [2025-04-25 06:00:22,545 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2025-04-25 06:00:22,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:00:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 1388 proven. 439 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2025-04-25 06:00:24,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:00:24,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585997828] [2025-04-25 06:00:24,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585997828] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:00:24,884 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982322699] [2025-04-25 06:00:24,884 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 06:00:24,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:00:24,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:00:24,888 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:00:24,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-04-25 06:00:24,920 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 242 statements into 34 equivalence classes. [2025-04-25 06:00:25,002 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) and asserted 242 of 242 statements. [2025-04-25 06:00:25,003 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 34 check-sat command(s) [2025-04-25 06:00:25,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:00:25,009 WARN L254 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 283 conjuncts are in the unsatisfiable core [2025-04-25 06:00:25,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:00:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 0 proven. 2983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:00:33,383 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:00:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2983 backedges. 0 proven. 2983 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:00:45,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982322699] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:00:45,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:00:45,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 143, 143] total 302 [2025-04-25 06:00:45,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210488138] [2025-04-25 06:00:45,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:00:45,004 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 303 states [2025-04-25 06:00:45,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:00:45,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 303 interpolants. [2025-04-25 06:00:45,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11918, Invalid=79588, Unknown=0, NotChecked=0, Total=91506 [2025-04-25 06:00:45,010 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:00:45,010 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:00:45,011 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 303 states, 303 states have (on average 1.7326732673267327) internal successors, (525), 302 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2025-04-25 06:00:45,011 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:02:30,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:02:30,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 259 states. [2025-04-25 06:02:30,026 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 06:02:30,220 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-04-25 06:02:30,221 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 06:02:30,221 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 06:02:30,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1452492247, now seen corresponding path program 14 times [2025-04-25 06:02:30,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 06:02:30,221 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595015206] [2025-04-25 06:02:30,221 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:02:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 06:02:30,227 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-04-25 06:02:30,248 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-04-25 06:02:30,248 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:02:30,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:02:35,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5161 backedges. 2595 proven. 889 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2025-04-25 06:02:35,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 06:02:35,033 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595015206] [2025-04-25 06:02:35,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595015206] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 06:02:35,033 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201549844] [2025-04-25 06:02:35,033 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 06:02:35,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 06:02:35,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 06:02:35,035 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 06:02:35,035 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 06:02:35,063 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-04-25 06:02:35,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-04-25 06:02:35,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 06:02:35,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 06:02:35,119 WARN L254 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 385 conjuncts are in the unsatisfiable core [2025-04-25 06:02:35,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 06:02:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 5161 backedges. 0 proven. 5161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:02:47,198 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 06:03:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5161 backedges. 0 proven. 5161 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 06:03:05,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201549844] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 06:03:05,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 06:03:05,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 195, 195] total 406 [2025-04-25 06:03:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94337896] [2025-04-25 06:03:05,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 06:03:05,467 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 407 states [2025-04-25 06:03:05,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 06:03:05,471 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 407 interpolants. [2025-04-25 06:03:05,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21323, Invalid=143919, Unknown=0, NotChecked=0, Total=165242 [2025-04-25 06:03:05,478 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 06:03:05,478 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 06:03:05,478 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 407 states, 407 states have (on average 1.7174447174447174) internal successors, (699), 406 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 06:03:05,478 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:03:05,478 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 225 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 184 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 206 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 259 states. [2025-04-25 06:03:05,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-04-25 06:04:08,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-04-25 06:04:08,129 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 06:04:08,129 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 06:04:08,129 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-25 06:04:08,289 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-04-25 06:04:08,290 WARN L610 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 472 known predicates. [2025-04-25 06:04:08,291 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-04-25 06:04:08,292 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-25 06:04:08,292 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-25 06:04:08,296 INFO L422 BasicCegarLoop]: Path program histogram: [14, 11, 1, 1] [2025-04-25 06:04:08,301 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 06:04:08,301 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 06:04:08,309 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 06:04:08,310 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 06:04:08 BasicIcfg [2025-04-25 06:04:08,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 06:04:08,312 INFO L158 Benchmark]: Toolchain (without parser) took 828204.85ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 96.3MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 742.9MB. Max. memory is 16.0GB. [2025-04-25 06:04:08,312 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:04:08,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.51ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 94.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:04:08,314 INFO L158 Benchmark]: Boogie Preprocessor took 15.69ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 93.5MB in the end (delta: 943.8kB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 06:04:08,314 INFO L158 Benchmark]: RCFGBuilder took 154.38ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 83.7MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-04-25 06:04:08,314 INFO L158 Benchmark]: TraceAbstraction took 827996.26ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 83.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 726.2MB. Max. memory is 16.0GB. [2025-04-25 06:04:08,315 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 0.16ms. Allocated memory is still 167.8MB. Free memory is still 97.3MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 32.51ms. Allocated memory is still 167.8MB. Free memory was 96.3MB in the beginning and 94.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.69ms. Allocated memory is still 167.8MB. Free memory was 94.4MB in the beginning and 93.5MB in the end (delta: 943.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 154.38ms. Allocated memory is still 167.8MB. Free memory was 93.5MB in the beginning and 83.7MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 827996.26ms. Allocated memory was 167.8MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 83.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 726.2MB. 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: 19834, independent: 10854, independent conditional: 10715, independent unconditional: 139, dependent: 8980, dependent conditional: 8974, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12042, independent: 10854, independent conditional: 0, independent unconditional: 10854, dependent: 1188, dependent conditional: 0, dependent unconditional: 1188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 138, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 138, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 12042, independent: 10722, independent conditional: 0, independent unconditional: 10722, dependent: 1182, dependent conditional: 0, dependent unconditional: 1182, unknown: 138, unknown conditional: 0, unknown unconditional: 138] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7792, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 35, Number of trivial persistent sets: 29, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19834, independent: 10854, independent conditional: 10715, independent unconditional: 139, dependent: 8980, dependent conditional: 8974, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12042, independent: 10854, independent conditional: 0, independent unconditional: 10854, dependent: 1188, dependent conditional: 0, dependent unconditional: 1188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 138, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 138, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 13, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 13, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 12042, independent: 10722, independent conditional: 0, independent unconditional: 10722, dependent: 1182, dependent conditional: 0, dependent unconditional: 1182, unknown: 138, unknown conditional: 0, unknown unconditional: 138] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Independence queries for same thread: 7792 - TimeoutResultAtElement [Line: 55]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 472 known predicates. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 472 known predicates. - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 472 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 34 locations, 39 edges, 3 error locations. Started 1 CEGAR loops. OverallTime: 827.9s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 644.4s, 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: 2701, 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, 0.8s SatisfiabilityAnalysisTime, 177.3s InterpolantComputationTime, 6316 NumberOfCodeBlocks, 6102 NumberOfCodeBlocksAsserted, 372 NumberOfCheckSat, 9312 ConstructedInterpolants, 0 QuantifiedInterpolants, 117821 SizeOfPredicates, 120 NumberOfNonLiveVariables, 6428 ConjunctsInSsa, 2974 ConjunctsInUnsatCore, 71 InterpolantComputations, 5 PerfectInterpolantSequences, 37329/90131 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