/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 true --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/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 08:03:42,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 08:03:43,047 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 08:03:43,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 08:03:43,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 08:03:43,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 08:03:43,074 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 08:03:43,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 08:03:43,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 08:03:43,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 08:03:43,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 08:03:43,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 08:03:43,075 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 08:03:43,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 08:03:43,076 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 08:03:43,076 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 08:03:43,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 08:03:43,077 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 08:03:43,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 08:03:43,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 08:03:43,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 08:03:43,078 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 08:03:43,078 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 -> true 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 08:03:43,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 08:03:43,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 08:03:43,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 08:03:43,323 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 08:03:43,324 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 08:03:43,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2025-04-25 08:03:43,326 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2025-04-25 08:03:43,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 08:03:43,344 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 08:03:43,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 08:03:43,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 08:03:43,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 08:03:43,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,383 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 08:03:43,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 08:03:43,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 08:03:43,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 08:03:43,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 08:03:43,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,395 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,400 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 08:03:43,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 08:03:43,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 08:03:43,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 08:03:43,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/1) ... [2025-04-25 08:03:43,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 08:03:43,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:43,451 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 08:03:43,458 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 08:03:43,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 08:03:43,480 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 08:03:43,480 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 08:03:43,480 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 08:03:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 08:03:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 08:03:43,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 08:03:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 08:03:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 08:03:43,481 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 08:03:43,481 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 08:03:43,481 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 08:03:43,482 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 08:03:43,525 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 08:03:43,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 08:03:43,615 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 08:03:43,615 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 08:03:43,634 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 08:03:43,634 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 08:03:43,635 INFO L201 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 08:03:43 BoogieIcfgContainer [2025-04-25 08:03:43,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 08:03:43,637 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 08:03:43,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 08:03:43,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 08:03:43,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 08:03:43" (1/2) ... [2025-04-25 08:03:43,641 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca8e3d2 and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 08:03:43, skipping insertion in model container [2025-04-25 08:03:43,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 08:03:43" (2/2) ... [2025-04-25 08:03:43,643 INFO L128 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2025-04-25 08:03:43,654 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 08:03:43,657 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG three-array-sum.wvr.bpl that has 4 procedures, 26 locations, 26 edges, 1 initial locations, 3 loop locations, and 1 error locations. [2025-04-25 08:03:43,657 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 08:03:43,696 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-04-25 08:03:43,733 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 08:03:43,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 08:03:43,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:43,735 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 08:03:43,737 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 08:03:43,785 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 08:03:43,793 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 08:03:43,800 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;@23b45f96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 08:03:43,801 INFO L341 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-04-25 08:03:43,860 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:43,863 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1521021620, now seen corresponding path program 1 times [2025-04-25 08:03:43,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:43,870 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273490946] [2025-04-25 08:03:43,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:43,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:43,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-04-25 08:03:43,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-04-25 08:03:43,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:43,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,112 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 08:03:44,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:44,114 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273490946] [2025-04-25 08:03:44,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273490946] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 08:03:44,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 08:03:44,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-25 08:03:44,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569897783] [2025-04-25 08:03:44,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 08:03:44,122 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 08:03:44,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:44,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 08:03:44,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 08:03:44,153 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,154 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:44,155 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:44,155 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,182 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 08:03:44,183 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:44,183 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1545696372, now seen corresponding path program 1 times [2025-04-25 08:03:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:44,183 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3806455] [2025-04-25 08:03:44,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:44,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-25 08:03:44,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 08:03:44,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:44,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:44,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:44,241 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3806455] [2025-04-25 08:03:44,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3806455] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 08:03:44,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 08:03:44,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 08:03:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314093862] [2025-04-25 08:03:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 08:03:44,259 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 08:03:44,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:44,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 08:03:44,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-25 08:03:44,259 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,260 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:44,260 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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 08:03:44,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,260 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,326 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,327 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,327 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 08:03:44,327 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:44,328 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:44,328 INFO L85 PathProgramCache]: Analyzing trace with hash 960357766, now seen corresponding path program 1 times [2025-04-25 08:03:44,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:44,328 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660047864] [2025-04-25 08:03:44,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:44,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:44,334 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-25 08:03:44,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-25 08:03:44,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:44,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,390 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 08:03:44,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:44,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660047864] [2025-04-25 08:03:44,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660047864] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 08:03:44,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 08:03:44,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 08:03:44,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15372267] [2025-04-25 08:03:44,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 08:03:44,390 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 08:03:44,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:44,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 08:03:44,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 08:03:44,391 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,391 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:44,391 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:44,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,391 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,465 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,466 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 08:03:44,466 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:44,467 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:44,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1178803192, now seen corresponding path program 1 times [2025-04-25 08:03:44,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:44,467 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854185244] [2025-04-25 08:03:44,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:44,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:44,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-04-25 08:03:44,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-04-25 08:03:44,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:44,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,531 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 08:03:44,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:44,531 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854185244] [2025-04-25 08:03:44,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854185244] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 08:03:44,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 08:03:44,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 08:03:44,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911378116] [2025-04-25 08:03:44,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 08:03:44,532 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 08:03:44,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:44,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 08:03:44,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 08:03:44,532 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,532 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:44,533 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:44,533 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,533 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,533 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,533 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:44,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:44,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:44,623 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 08:03:44,623 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:44,623 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:44,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1131238698, now seen corresponding path program 1 times [2025-04-25 08:03:44,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:44,623 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139806015] [2025-04-25 08:03:44,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:44,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:44,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-25 08:03:44,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-25 08:03:44,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:44,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:44,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:44,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139806015] [2025-04-25 08:03:44,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139806015] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:44,853 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457676472] [2025-04-25 08:03:44,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:44,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:44,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:44,855 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 08:03:44,858 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 08:03:44,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-04-25 08:03:44,891 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-04-25 08:03:44,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:44,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:44,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-04-25 08:03:44,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:45,075 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2025-04-25 08:03:45,080 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2025-04-25 08:03:45,084 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-04-25 08:03:45,124 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-04-25 08:03:45,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:45,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:45,167 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2025-04-25 08:03:45,195 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:45,195 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2025-04-25 08:03:45,204 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:45,205 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 19 [2025-04-25 08:03:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:45,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457676472] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:45,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:45,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-04-25 08:03:45,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199068764] [2025-04-25 08:03:45,272 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:45,272 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 08:03:45,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:45,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 08:03:45,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-04-25 08:03:45,273 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:45,273 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:45,273 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:45,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:45,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,273 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:45,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:45,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,357 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:45,367 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 08:03:45,562 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:45,562 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:45,562 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash -22842710, now seen corresponding path program 2 times [2025-04-25 08:03:45,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:45,563 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705381279] [2025-04-25 08:03:45,563 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 08:03:45,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:45,568 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 08:03:45,575 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 08:03:45,575 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 08:03:45,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:45,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:45,627 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705381279] [2025-04-25 08:03:45,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705381279] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:45,627 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258957978] [2025-04-25 08:03:45,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 08:03:45,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:45,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:45,629 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 08:03:45,631 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 08:03:45,650 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 26 statements into 2 equivalence classes. [2025-04-25 08:03:45,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 26 of 26 statements. [2025-04-25 08:03:45,661 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 08:03:45,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:45,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 08:03:45,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 08:03:45,688 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 08:03:45,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [258957978] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 08:03:45,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 08:03:45,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2025-04-25 08:03:45,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851192525] [2025-04-25 08:03:45,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 08:03:45,689 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 08:03:45,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:45,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 08:03:45,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-04-25 08:03:45,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:45,689 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:45,689 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 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 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:45,689 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:45,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:45,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:45,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:45,760 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:45,766 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 08:03:45,965 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 08:03:45,965 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:45,966 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1879591056, now seen corresponding path program 3 times [2025-04-25 08:03:45,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:45,966 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059660269] [2025-04-25 08:03:45,966 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 08:03:45,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:45,971 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 2 equivalence classes. [2025-04-25 08:03:45,974 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 08:03:45,974 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 08:03:45,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:46,016 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 08:03:46,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:46,017 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059660269] [2025-04-25 08:03:46,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059660269] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:46,017 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369133525] [2025-04-25 08:03:46,017 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 08:03:46,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:46,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:46,019 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 08:03:46,020 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 08:03:46,050 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 25 statements into 2 equivalence classes. [2025-04-25 08:03:46,060 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-04-25 08:03:46,060 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 08:03:46,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:46,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 08:03:46,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 08:03:46,084 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:46,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 08:03:46,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369133525] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:46,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:46,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2025-04-25 08:03:46,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140356188] [2025-04-25 08:03:46,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:46,129 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 08:03:46,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:46,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 08:03:46,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-25 08:03:46,130 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:46,130 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:46,130 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,130 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:46,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:46,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,233 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:46,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-25 08:03:46,434 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 08:03:46,434 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:46,435 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:46,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1736092818, now seen corresponding path program 4 times [2025-04-25 08:03:46,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:46,435 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102551712] [2025-04-25 08:03:46,435 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 08:03:46,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:46,439 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-04-25 08:03:46,441 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 08:03:46,441 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 08:03:46,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:46,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:46,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102551712] [2025-04-25 08:03:46,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102551712] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:46,479 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788036811] [2025-04-25 08:03:46,479 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 08:03:46,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:46,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:46,481 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 08:03:46,482 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 08:03:46,501 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-04-25 08:03:46,508 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 08:03:46,509 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 08:03:46,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:46,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-25 08:03:46,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 08:03:46,545 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 08:03:46,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788036811] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:46,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:46,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2025-04-25 08:03:46,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950718833] [2025-04-25 08:03:46,589 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:46,589 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 08:03:46,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:46,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 08:03:46,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-25 08:03:46,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:46,589 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:46,589 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:46,590 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:46,691 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:46,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:46,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-25 08:03:46,892 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 08:03:46,893 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:46,893 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:46,893 INFO L85 PathProgramCache]: Analyzing trace with hash 887004684, now seen corresponding path program 5 times [2025-04-25 08:03:46,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:46,893 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995165623] [2025-04-25 08:03:46,893 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 08:03:46,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:46,898 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 30 statements into 3 equivalence classes. [2025-04-25 08:03:46,918 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 08:03:46,918 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 08:03:46,918 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 08:03:47,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:47,275 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995165623] [2025-04-25 08:03:47,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995165623] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:47,275 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826569756] [2025-04-25 08:03:47,275 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 08:03:47,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:47,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:47,277 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 08:03:47,279 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 08:03:47,297 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 30 statements into 3 equivalence classes. [2025-04-25 08:03:47,307 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 30 of 30 statements. [2025-04-25 08:03:47,307 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-04-25 08:03:47,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:47,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-04-25 08:03:47,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:47,431 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2025-04-25 08:03:47,641 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2025-04-25 08:03:47,645 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2025-04-25 08:03:47,648 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-04-25 08:03:47,680 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2025-04-25 08:03:47,695 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:47,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:47,823 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 254 [2025-04-25 08:03:47,879 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:47,900 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:47,900 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 63 [2025-04-25 08:03:47,907 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:47,923 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:47,924 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 51 [2025-04-25 08:03:48,076 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:48,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826569756] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:48,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:48,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 21 [2025-04-25 08:03:48,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004991076] [2025-04-25 08:03:48,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:48,077 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-04-25 08:03:48,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:48,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-04-25 08:03:48,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=388, Unknown=0, NotChecked=0, Total=462 [2025-04-25 08:03:48,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:48,078 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:48,078 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 21 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 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:48,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:48,950 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:48,951 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 08:03:48,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-25 08:03:49,155 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 08:03:49,155 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:49,155 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:49,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1657042653, now seen corresponding path program 1 times [2025-04-25 08:03:49,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:49,155 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748343631] [2025-04-25 08:03:49,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:49,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-25 08:03:49,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 08:03:49,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:49,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:49,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-25 08:03:49,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:49,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748343631] [2025-04-25 08:03:49,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748343631] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:49,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781385399] [2025-04-25 08:03:49,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 08:03:49,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:49,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:49,317 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 08:03:49,318 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 08:03:49,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-25 08:03:49,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 08:03:49,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:03:49,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:49,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-25 08:03:49,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:49,411 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 08:03:49,411 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 08:03:49,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781385399] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:49,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:49,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2025-04-25 08:03:49,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021809660] [2025-04-25 08:03:49,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:49,467 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-25 08:03:49,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:49,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-25 08:03:49,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2025-04-25 08:03:49,468 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:49,468 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:49,468 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:49,468 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:49,469 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:49,469 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 08:03:49,469 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-25 08:03:50,309 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:50,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-25 08:03:50,510 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 08:03:50,510 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:50,511 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 322274579, now seen corresponding path program 2 times [2025-04-25 08:03:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:50,511 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016983200] [2025-04-25 08:03:50,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 08:03:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:50,514 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-04-25 08:03:50,519 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 08:03:50,519 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 08:03:50,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:50,602 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:50,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:50,603 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016983200] [2025-04-25 08:03:50,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016983200] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:50,603 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470567423] [2025-04-25 08:03:50,603 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 08:03:50,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:50,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:50,605 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 08:03:50,606 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 08:03:50,625 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-04-25 08:03:50,635 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-04-25 08:03:50,636 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 08:03:50,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:50,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 08:03:50,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 08:03:50,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:50,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-25 08:03:50,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470567423] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:50,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:50,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 10 [2025-04-25 08:03:50,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549564544] [2025-04-25 08:03:50,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:50,758 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-25 08:03:50,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:50,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-25 08:03:50,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-04-25 08:03:50,759 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:50,759 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:50,759 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 10 states have internal predecessors, (52), 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 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:50,759 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:51,079 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:03:51,085 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 08:03:51,280 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 08:03:51,280 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:51,280 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:51,280 INFO L85 PathProgramCache]: Analyzing trace with hash -766922703, now seen corresponding path program 3 times [2025-04-25 08:03:51,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:51,281 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286368830] [2025-04-25 08:03:51,281 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 08:03:51,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:51,284 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 41 statements into 4 equivalence classes. [2025-04-25 08:03:51,295 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 41 of 41 statements. [2025-04-25 08:03:51,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 08:03:51,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-04-25 08:03:51,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:51,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286368830] [2025-04-25 08:03:51,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286368830] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:51,371 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27834662] [2025-04-25 08:03:51,371 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 08:03:51,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:51,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:51,374 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 08:03:51,384 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 08:03:51,411 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 41 statements into 4 equivalence classes. [2025-04-25 08:03:51,431 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 41 of 41 statements. [2025-04-25 08:03:51,431 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-04-25 08:03:51,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:51,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-25 08:03:51,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-25 08:03:51,480 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-04-25 08:03:51,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27834662] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:51,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:51,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-04-25 08:03:51,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908701412] [2025-04-25 08:03:51,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:51,551 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 08:03:51,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:51,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 08:03:51,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-04-25 08:03:51,552 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:51,552 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:51,552 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:03:51,552 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:51,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:03:51,553 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:51,706 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:51,706 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,706 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,706 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:51,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:03:51,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:51,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-25 08:03:51,909 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 08:03:51,909 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:03:51,909 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:03:51,909 INFO L85 PathProgramCache]: Analyzing trace with hash -106166051, now seen corresponding path program 4 times [2025-04-25 08:03:51,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:03:51,910 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073339686] [2025-04-25 08:03:51,910 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 08:03:51,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:03:51,916 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 46 statements into 2 equivalence classes. [2025-04-25 08:03:51,933 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 08:03:51,933 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 08:03:51,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:52,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:03:52,866 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073339686] [2025-04-25 08:03:52,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073339686] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:03:52,866 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317801054] [2025-04-25 08:03:52,866 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 08:03:52,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:03:52,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:03:52,868 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 08:03:52,871 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 08:03:52,894 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 46 statements into 2 equivalence classes. [2025-04-25 08:03:52,906 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-04-25 08:03:52,906 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 08:03:52,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:03:52,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 67 conjuncts are in the unsatisfiable core [2025-04-25 08:03:52,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:03:53,000 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2025-04-25 08:03:53,175 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2025-04-25 08:03:53,590 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2025-04-25 08:03:53,876 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2025-04-25 08:03:53,880 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2025-04-25 08:03:53,883 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2025-04-25 08:03:53,937 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2025-04-25 08:03:53,943 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:53,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:03:54,507 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:54,509 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 4674418 treesize of output 4494194 [2025-04-25 08:03:54,706 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,707 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,707 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,772 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:54,772 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 78 treesize of output 203 [2025-04-25 08:03:54,784 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,784 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,785 INFO L172 IndexEqualityManager]: detected equality via solver [2025-04-25 08:03:54,869 INFO L325 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-04-25 08:03:54,870 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 12 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 16 case distinctions, treesize of input 50 treesize of output 175 [2025-04-25 08:03:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:03:55,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317801054] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:03:55,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:03:55,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14, 14] total 42 [2025-04-25 08:03:55,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142894503] [2025-04-25 08:03:55,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:03:55,477 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-04-25 08:03:55,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:03:55,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-04-25 08:03:55,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1634, Unknown=0, NotChecked=0, Total=1806 [2025-04-25 08:03:55,478 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:03:55,478 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:03:55,478 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.7906976744186047) internal successors, (120), 42 states have internal predecessors, (120), 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 08:03:55,478 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:03:55,478 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:55,478 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:03:55,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:04:00,025 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:04:00,026 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-04-25 08:04:00,033 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-04-25 08:04:00,226 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,SelfDestructingSolverStorable12 [2025-04-25 08:04:00,227 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:04:00,227 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:04:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1546945191, now seen corresponding path program 5 times [2025-04-25 08:04:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:04:00,227 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665706701] [2025-04-25 08:04:00,227 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 08:04:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:04:00,232 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 72 statements into 7 equivalence classes. [2025-04-25 08:04:00,304 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 72 of 72 statements. [2025-04-25 08:04:00,304 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-25 08:04:00,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 39 proven. 27 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-25 08:04:00,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:04:00,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665706701] [2025-04-25 08:04:00,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665706701] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:04:00,501 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638165827] [2025-04-25 08:04:00,501 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 08:04:00,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:04:00,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:04:00,503 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 08:04:00,505 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 08:04:00,527 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 72 statements into 7 equivalence classes. [2025-04-25 08:04:00,552 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 72 of 72 statements. [2025-04-25 08:04:00,552 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-04-25 08:04:00,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:00,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-25 08:04:00,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:04:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-25 08:04:00,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:04:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 15 proven. 47 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-04-25 08:04:00,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638165827] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:04:00,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:04:00,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 12 [2025-04-25 08:04:00,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366099906] [2025-04-25 08:04:00,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:04:00,747 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-25 08:04:00,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:04:00,748 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-25 08:04:00,748 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-04-25 08:04:00,748 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:04:00,748 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:04:00,748 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 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 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-04-25 08:04:00,748 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 08:04:01,020 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 08:04:01,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-25 08:04:01,224 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:04:01,224 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:04:01,224 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:04:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash 982579483, now seen corresponding path program 6 times [2025-04-25 08:04:01,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:04:01,225 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502702910] [2025-04-25 08:04:01,225 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 08:04:01,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:04:01,230 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 69 statements into 8 equivalence classes. [2025-04-25 08:04:01,269 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 69 of 69 statements. [2025-04-25 08:04:01,269 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 08:04:01,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 22 proven. 81 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2025-04-25 08:04:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:04:01,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502702910] [2025-04-25 08:04:01,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502702910] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:04:01,395 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590421724] [2025-04-25 08:04:01,395 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 08:04:01,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:04:01,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:04:01,397 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 08:04:01,398 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 08:04:01,420 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 69 statements into 8 equivalence classes. [2025-04-25 08:04:01,444 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 69 of 69 statements. [2025-04-25 08:04:01,445 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-04-25 08:04:01,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:01,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-25 08:04:01,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:04:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 27 proven. 44 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-25 08:04:01,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 08:04:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 27 proven. 44 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-04-25 08:04:01,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590421724] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 08:04:01,647 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 08:04:01,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 8 [2025-04-25 08:04:01,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135699000] [2025-04-25 08:04:01,648 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 08:04:01,648 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 08:04:01,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 08:04:01,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 08:04:01,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-04-25 08:04:01,648 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:04:01,649 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 08:04:01,649 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-25 08:04:01,649 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 08:04:01,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-25 08:04:01,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-04-25 08:04:01,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 08:04:01,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 08:04:01,825 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 08:04:02,020 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,SelfDestructingSolverStorable14 [2025-04-25 08:04:02,020 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-04-25 08:04:02,020 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 08:04:02,020 INFO L85 PathProgramCache]: Analyzing trace with hash 301974067, now seen corresponding path program 7 times [2025-04-25 08:04:02,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 08:04:02,020 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897123425] [2025-04-25 08:04:02,020 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 08:04:02,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 08:04:02,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-25 08:04:02,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-25 08:04:02,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:04:02,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:04,145 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 19 proven. 104 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-04-25 08:04:04,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 08:04:04,145 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897123425] [2025-04-25 08:04:04,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897123425] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 08:04:04,145 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968083527] [2025-04-25 08:04:04,145 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-25 08:04:04,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 08:04:04,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 08:04:04,148 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 08:04:04,149 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 08:04:04,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-04-25 08:04:04,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-04-25 08:04:04,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 08:04:04,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 08:04:04,194 WARN L254 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 127 conjuncts are in the unsatisfiable core [2025-04-25 08:04:04,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 08:04:04,270 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2025-04-25 08:04:04,414 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 29 [2025-04-25 08:04:04,623 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2025-04-25 08:04:04,925 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 70 [2025-04-25 08:04:05,262 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 98 [2025-04-25 08:04:05,836 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 114 [2025-04-25 08:04:06,294 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 125 [2025-04-25 08:04:06,792 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 154 treesize of output 166 [2025-04-25 08:04:06,799 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 134 [2025-04-25 08:04:06,804 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 28 [2025-04-25 08:04:06,868 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2025-04-25 08:04:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 08:04:06,875 INFO L312 TraceCheckSpWp]: Computing backward predicates...