/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 14:31:22,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 14:31:22,765 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 14:31:22,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 14:31:22,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 14:31:22,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 14:31:22,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 14:31:22,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 14:31:22,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 14:31:22,799 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 14:31:22,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 14:31:22,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 14:31:22,800 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 14:31:22,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 14:31:22,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 14:31:22,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 14:31:22,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 14:31:22,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 14:31:22,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 14:31:22,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 14:31:22,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 14:31:22,804 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 14:31:22,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 14:31:22,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 14:31:22,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 14:31:22,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 14:31:22,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 14:31:22,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 14:31:22,805 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 14:31:22,805 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 14:31:22,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 14:31:22,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 14:31:22,806 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 14:31:22,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 14:31:23,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 14:31:23,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 14:31:23,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 14:31:23,033 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 14:31:23,033 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 14:31:23,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2024-04-28 14:31:23,035 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2024-04-28 14:31:23,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 14:31:23,066 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 14:31:23,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 14:31:23,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 14:31:23,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 14:31:23,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,096 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 14:31:23,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 14:31:23,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 14:31:23,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 14:31:23,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 14:31:23,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 14:31:23,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 14:31:23,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 14:31:23,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 14:31:23,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/1) ... [2024-04-28 14:31:23,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 14:31:23,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:23,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-28 14:31:23,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-28 14:31:23,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 14:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 14:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 14:31:23,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 14:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 14:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 14:31:23,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 14:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 14:31:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 14:31:23,193 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-28 14:31:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-28 14:31:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-28 14:31:23,194 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 14:31:23,234 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 14:31:23,236 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 14:31:23,336 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 14:31:23,344 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 14:31:23,345 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 14:31:23,346 INFO L201 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:31:23 BoogieIcfgContainer [2024-04-28 14:31:23,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 14:31:23,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 14:31:23,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 14:31:23,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 14:31:23,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 02:31:23" (1/2) ... [2024-04-28 14:31:23,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1625d2c2 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 02:31:23, skipping insertion in model container [2024-04-28 14:31:23,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 02:31:23" (2/2) ... [2024-04-28 14:31:23,364 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2024-04-28 14:31:23,369 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 14:31:23,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 14:31:23,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 14:31:23,376 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 14:31:23,410 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-28 14:31:23,439 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 14:31:23,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 14:31:23,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:23,441 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) [2024-04-28 14:31:23,464 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 [2024-04-28 14:31:23,484 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 14:31:23,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:23,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 14:31:23,500 INFO L357 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, mHoare=true, 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;@254267fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-04-28 14:31:23,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-28 14:31:23,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:23,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:23,528 INFO L85 PathProgramCache]: Analyzing trace with hash 335102580, now seen corresponding path program 1 times [2024-04-28 14:31:23,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:23,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737223643] [2024-04-28 14:31:23,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:23,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:23,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:23,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:23,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737223643] [2024-04-28 14:31:23,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737223643] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 14:31:23,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 14:31:23,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 14:31:23,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500924368] [2024-04-28 14:31:23,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 14:31:23,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 14:31:23,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:23,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 14:31:23,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 14:31:23,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,685 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:23,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:23,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:23,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 14:31:23,713 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:23,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:23,714 INFO L85 PathProgramCache]: Analyzing trace with hash -355024957, now seen corresponding path program 1 times [2024-04-28 14:31:23,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:23,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73745300] [2024-04-28 14:31:23,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:23,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:23,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:23,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73745300] [2024-04-28 14:31:23,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73745300] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 14:31:23,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 14:31:23,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-28 14:31:23,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582368506] [2024-04-28 14:31:23,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 14:31:23,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-28 14:31:23,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:23,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-28 14:31:23,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-28 14:31:23,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:23,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-04-28 14:31:23,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:23,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:23,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:23,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-28 14:31:23,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:23,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:23,869 INFO L85 PathProgramCache]: Analyzing trace with hash -376704537, now seen corresponding path program 1 times [2024-04-28 14:31:23,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:23,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351637752] [2024-04-28 14:31:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:23,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:23,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:23,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351637752] [2024-04-28 14:31:23,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351637752] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 14:31:23,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 14:31:23,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-28 14:31:23,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404649345] [2024-04-28 14:31:23,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 14:31:23,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 14:31:23,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:23,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 14:31:23,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 14:31:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:23,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-04-28 14:31:23,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:23,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:23,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:23,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:23,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:23,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-28 14:31:23,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:23,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:23,953 INFO L85 PathProgramCache]: Analyzing trace with hash -98931126, now seen corresponding path program 1 times [2024-04-28 14:31:23,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:23,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886541272] [2024-04-28 14:31:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:23,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:24,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886541272] [2024-04-28 14:31:24,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886541272] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:24,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124898002] [2024-04-28 14:31:24,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:24,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:24,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:24,498 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) [2024-04-28 14:31:24,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 14:31:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:24,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-28 14:31:24,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:24,810 INFO L378 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 19 treesize of output 15 [2024-04-28 14:31:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:24,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:24,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:24,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 22 [2024-04-28 14:31:24,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:24,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2024-04-28 14:31:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:24,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124898002] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:24,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:24,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-04-28 14:31:24,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302177657] [2024-04-28 14:31:24,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:24,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-28 14:31:24,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:24,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-28 14:31:24,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-04-28 14:31:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:24,988 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:24,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 15 states have internal predecessors, (45), 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) [2024-04-28 14:31:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:25,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:25,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:25,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:25,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:25,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:25,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:25,584 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:25,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:25,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1493367853, now seen corresponding path program 2 times [2024-04-28 14:31:25,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:25,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178415398] [2024-04-28 14:31:25,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:25,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:25,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:25,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178415398] [2024-04-28 14:31:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178415398] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:25,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135007234] [2024-04-28 14:31:25,645 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 14:31:25,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:25,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:25,646 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) [2024-04-28 14:31:25,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 14:31:25,673 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 14:31:25,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:25,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-28 14:31:25,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:25,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:25,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:25,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:25,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135007234] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:25,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:25,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2024-04-28 14:31:25,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757750121] [2024-04-28 14:31:25,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:25,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-28 14:31:25,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:25,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-28 14:31:25,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-04-28 14:31:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:25,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:25,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:25,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:26,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-28 14:31:26,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:26,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:26,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1842949777, now seen corresponding path program 3 times [2024-04-28 14:31:26,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:26,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466001036] [2024-04-28 14:31:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:26,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:26,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:26,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466001036] [2024-04-28 14:31:26,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466001036] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:26,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126910510] [2024-04-28 14:31:26,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 14:31:26,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:26,285 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) [2024-04-28 14:31:26,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 14:31:26,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-28 14:31:26,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:26,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-28 14:31:26,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:26,390 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:26,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126910510] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:26,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:26,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-28 14:31:26,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802888331] [2024-04-28 14:31:26,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:26,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-28 14:31:26,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:26,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-28 14:31:26,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-04-28 14:31:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:26,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:26,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 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) [2024-04-28 14:31:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:26,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:26,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:26,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:26,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:26,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:26,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:26,841 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:26,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash 306248032, now seen corresponding path program 4 times [2024-04-28 14:31:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:26,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037170789] [2024-04-28 14:31:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:27,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:27,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037170789] [2024-04-28 14:31:27,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037170789] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:27,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749113754] [2024-04-28 14:31:27,341 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 14:31:27,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:27,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:27,342 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) [2024-04-28 14:31:27,377 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 14:31:27,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:27,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 14:31:27,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-28 14:31:27,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:27,673 INFO L378 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 31 treesize of output 23 [2024-04-28 14:31:27,687 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:27,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:27,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:27,872 INFO L378 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 37 treesize of output 62 [2024-04-28 14:31:27,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:27,895 INFO L378 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 25 treesize of output 50 [2024-04-28 14:31:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:28,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749113754] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:28,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:28,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 30 [2024-04-28 14:31:28,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158055962] [2024-04-28 14:31:28,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:28,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-28 14:31:28,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:28,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-28 14:31:28,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2024-04-28 14:31:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:28,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:28,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.2903225806451615) internal successors, (71), 30 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:28,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:28,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:28,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:31:28,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:29,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-28 14:31:29,163 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:29,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:29,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2082710538, now seen corresponding path program 5 times [2024-04-28 14:31:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:29,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26350237] [2024-04-28 14:31:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:29,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:29,661 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:29,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26350237] [2024-04-28 14:31:29,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26350237] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:29,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013507782] [2024-04-28 14:31:29,662 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 14:31:29,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:29,663 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) [2024-04-28 14:31:29,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 14:31:29,706 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-28 14:31:29,706 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:29,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-28 14:31:29,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:30,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:30,252 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:30,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 83 [2024-04-28 14:31:30,262 INFO L378 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 41 treesize of output 29 [2024-04-28 14:31:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:30,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:30,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,856 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:30,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 92 [2024-04-28 14:31:30,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,885 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:30,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:30,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 72 [2024-04-28 14:31:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:31,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013507782] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:31,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:31,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 46 [2024-04-28 14:31:31,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294245944] [2024-04-28 14:31:31,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:31,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-28 14:31:31,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:31,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-28 14:31:31,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1931, Unknown=0, NotChecked=0, Total=2162 [2024-04-28 14:31:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:31,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:31,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.9574468085106382) internal successors, (92), 46 states have internal predecessors, (92), 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) [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:31:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:37,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-04-28 14:31:37,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:37,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:37,907 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:37,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:37,907 INFO L85 PathProgramCache]: Analyzing trace with hash 309948262, now seen corresponding path program 1 times [2024-04-28 14:31:37,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:37,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620228550] [2024-04-28 14:31:37,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:37,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:37,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620228550] [2024-04-28 14:31:37,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620228550] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:37,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503599698] [2024-04-28 14:31:37,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:37,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:37,950 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) [2024-04-28 14:31:37,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-28 14:31:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:38,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-28 14:31:38,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:38,046 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:38,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503599698] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:38,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:38,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-04-28 14:31:38,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160668670] [2024-04-28 14:31:38,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:38,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-28 14:31:38,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:38,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-28 14:31:38,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-04-28 14:31:38,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:38,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:38,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 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) [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-04-28 14:31:38,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:38,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:38,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:38,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-04-28 14:31:38,493 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:38,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:38,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1870284725, now seen corresponding path program 2 times [2024-04-28 14:31:38,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:38,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657240351] [2024-04-28 14:31:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:38,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:38,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:38,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657240351] [2024-04-28 14:31:38,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657240351] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:38,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040999789] [2024-04-28 14:31:38,840 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 14:31:38,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:38,841 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) [2024-04-28 14:31:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-28 14:31:38,867 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 14:31:38,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:38,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-28 14:31:38,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:39,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:39,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2024-04-28 14:31:39,280 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:39,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:39,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:39,432 INFO L378 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 33 treesize of output 68 [2024-04-28 14:31:39,457 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:39,458 INFO L378 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 23 treesize of output 58 [2024-04-28 14:31:39,795 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:39,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040999789] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:39,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:39,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2024-04-28 14:31:39,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191365567] [2024-04-28 14:31:39,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:39,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-28 14:31:39,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:39,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-28 14:31:39,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2024-04-28 14:31:39,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:39,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:39,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2) internal successors, (66), 30 states have internal predecessors, (66), 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) [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:39,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:41,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:41,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:41,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-28 14:31:41,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:41,565 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:41,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:41,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1136135350, now seen corresponding path program 3 times [2024-04-28 14:31:41,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:41,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523975156] [2024-04-28 14:31:41,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:41,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:41,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523975156] [2024-04-28 14:31:41,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523975156] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:41,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658621256] [2024-04-28 14:31:41,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 14:31:41,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:41,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:41,646 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) [2024-04-28 14:31:41,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-28 14:31:41,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-28 14:31:41,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:41,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-28 14:31:41,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:41,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:41,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658621256] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:41,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:41,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-28 14:31:41,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965965531] [2024-04-28 14:31:41,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:41,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-28 14:31:41,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:41,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-28 14:31:41,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-04-28 14:31:41,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:41,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:41,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 18 states have internal predecessors, (68), 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) [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:41,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:42,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:42,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:42,344 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:42,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:42,547 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:42,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:42,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1402102340, now seen corresponding path program 4 times [2024-04-28 14:31:42,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:42,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549643014] [2024-04-28 14:31:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:42,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:42,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:42,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549643014] [2024-04-28 14:31:42,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549643014] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:42,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736454024] [2024-04-28 14:31:42,603 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 14:31:42,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:42,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:42,615 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) [2024-04-28 14:31:42,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-28 14:31:42,653 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 14:31:42,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:42,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-28 14:31:42,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:42,719 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:42,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736454024] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:42,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:42,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-28 14:31:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105152018] [2024-04-28 14:31:42,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:42,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-28 14:31:42,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:42,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-28 14:31:42,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-04-28 14:31:42,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:42,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:42,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:42,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:42,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:43,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 14:31:43,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:43,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:43,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-28 14:31:43,453 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:43,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:43,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1278702047, now seen corresponding path program 5 times [2024-04-28 14:31:43,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:43,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084938426] [2024-04-28 14:31:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:43,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:43,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:43,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084938426] [2024-04-28 14:31:43,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084938426] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:43,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865886580] [2024-04-28 14:31:43,839 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 14:31:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:43,854 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) [2024-04-28 14:31:43,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-28 14:31:43,879 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-28 14:31:43,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:43,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-28 14:31:43,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:44,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:44,377 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:44,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 73 [2024-04-28 14:31:44,383 INFO L378 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 [2024-04-28 14:31:44,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:44,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:44,991 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:44,992 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:44,993 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:45,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:45,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 112 [2024-04-28 14:31:45,034 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:45,035 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:45,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:45,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 35 treesize of output 94 [2024-04-28 14:31:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:45,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865886580] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:45,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:45,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 47 [2024-04-28 14:31:45,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188699184] [2024-04-28 14:31:45,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:45,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-28 14:31:45,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:45,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-28 14:31:45,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1951, Unknown=0, NotChecked=0, Total=2162 [2024-04-28 14:31:45,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:45,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:45,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.9148936170212767) internal successors, (90), 47 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:45,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:51,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 14:31:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:51,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-28 14:31:51,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-28 14:31:51,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:51,815 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:51,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:51,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1570087136, now seen corresponding path program 6 times [2024-04-28 14:31:51,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:51,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372157111] [2024-04-28 14:31:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:51,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:51,885 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:51,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:51,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372157111] [2024-04-28 14:31:51,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372157111] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:51,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851045904] [2024-04-28 14:31:51,886 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 14:31:51,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:51,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:51,887 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) [2024-04-28 14:31:51,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-28 14:31:51,927 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-28 14:31:51,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:31:51,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-28 14:31:51,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:52,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:31:52,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851045904] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:52,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:52,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-04-28 14:31:52,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101236832] [2024-04-28 14:31:52,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:52,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-28 14:31:52,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:52,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-28 14:31:52,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-04-28 14:31:52,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:52,114 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:52,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-28 14:31:52,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:31:56,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:31:56,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:31:56,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-04-28 14:31:56,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-28 14:31:56,705 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:31:56,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:31:56,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1533076478, now seen corresponding path program 7 times [2024-04-28 14:31:56,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:31:56,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218819058] [2024-04-28 14:31:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:31:56,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:31:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:57,151 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:57,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:31:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218819058] [2024-04-28 14:31:57,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218819058] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:31:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75377101] [2024-04-28 14:31:57,151 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 14:31:57,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:31:57,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:31:57,164 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) [2024-04-28 14:31:57,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-28 14:31:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:31:57,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-28 14:31:57,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:31:57,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:57,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:31:57,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:57,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2024-04-28 14:31:57,567 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:57,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:31:57,798 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:57,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:57,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 53 treesize of output 138 [2024-04-28 14:31:57,855 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:31:57,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:31:57,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 35 treesize of output 120 [2024-04-28 14:31:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:31:58,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75377101] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:31:58,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:31:58,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 34 [2024-04-28 14:31:58,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056389135] [2024-04-28 14:31:58,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:31:58,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-28 14:31:58,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:31:58,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-28 14:31:58,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=992, Unknown=0, NotChecked=0, Total=1122 [2024-04-28 14:31:58,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:31:58,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:31:58,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.0588235294117645) internal successors, (70), 34 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:31:58,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:31:58,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:31:58,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:31:58,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:32:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:32:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 14:32:00,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-28 14:32:00,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-28 14:32:00,899 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:32:00,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:32:00,899 INFO L85 PathProgramCache]: Analyzing trace with hash -978516383, now seen corresponding path program 8 times [2024-04-28 14:32:00,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:32:00,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932136024] [2024-04-28 14:32:00,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:32:00,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:32:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:32:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:32:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932136024] [2024-04-28 14:32:00,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932136024] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:32:00,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932685174] [2024-04-28 14:32:00,989 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 14:32:00,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:32:00,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:32:01,006 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:32:01,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-28 14:32:01,034 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 14:32:01,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:32:01,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-28 14:32:01,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:32:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:01,159 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:32:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932685174] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:32:01,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:32:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2024-04-28 14:32:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193049863] [2024-04-28 14:32:01,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:32:01,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-28 14:32:01,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:32:01,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-28 14:32:01,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-04-28 14:32:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:01,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:32:01,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.75) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:01,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 14:32:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:32:02,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:32:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:02,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-28 14:32:02,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-28 14:32:02,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-28 14:32:02,571 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:32:02,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:32:02,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1263586488, now seen corresponding path program 9 times [2024-04-28 14:32:02,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:32:02,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6179617] [2024-04-28 14:32:02,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:32:02,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:32:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:32:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-28 14:32:03,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:32:03,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6179617] [2024-04-28 14:32:03,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6179617] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:32:03,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079456618] [2024-04-28 14:32:03,324 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 14:32:03,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:32:03,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:32:03,325 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:32:03,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-28 14:32:03,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-28 14:32:03,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:32:03,357 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2024-04-28 14:32:03,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:32:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:04,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 79 treesize of output 133 [2024-04-28 14:32:04,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:32:04,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:04,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 19 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 2 case distinctions, treesize of input 169 treesize of output 127 [2024-04-28 14:32:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:04,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:32:05,569 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:05,570 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:05,571 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:05,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:05,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 29 case distinctions, treesize of input 93 treesize of output 344 [2024-04-28 14:32:05,754 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:05,755 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:05,781 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:06,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:06,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 16 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 29 case distinctions, treesize of input 59 treesize of output 310 [2024-04-28 14:32:17,322 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:17,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079456618] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:32:17,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:32:17,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27, 27] total 67 [2024-04-28 14:32:17,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014061506] [2024-04-28 14:32:17,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:32:17,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-28 14:32:17,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:32:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-28 14:32:17,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=3822, Unknown=0, NotChecked=0, Total=4422 [2024-04-28 14:32:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:17,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:32:17,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.8059701492537314) internal successors, (121), 67 states have internal predecessors, (121), 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) [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-28 14:32:17,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:32:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:32:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:32:43,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:32:43,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-28 14:32:43,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-28 14:32:43,314 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:32:43,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:32:43,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1426810457, now seen corresponding path program 10 times [2024-04-28 14:32:43,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:32:43,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493839213] [2024-04-28 14:32:43,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:32:43,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:32:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:32:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:43,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:32:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493839213] [2024-04-28 14:32:43,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493839213] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:32:43,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784706021] [2024-04-28 14:32:43,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 14:32:43,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:32:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:32:43,425 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:32:43,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-28 14:32:43,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 14:32:43,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:32:43,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-28 14:32:43,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:32:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:43,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:32:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:43,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784706021] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:32:43,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:32:43,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-04-28 14:32:43,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047854195] [2024-04-28 14:32:43,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:32:43,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-28 14:32:43,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:32:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-28 14:32:43,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-04-28 14:32:43,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:43,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:32:43,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.8947368421052633) internal successors, (74), 19 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:32:43,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:43,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:43,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:43,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:43,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:32:43,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:44,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:32:44,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:32:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:32:44,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-28 14:32:44,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-28 14:32:44,911 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:32:44,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:32:44,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1003357208, now seen corresponding path program 11 times [2024-04-28 14:32:44,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:32:44,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57518984] [2024-04-28 14:32:44,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:32:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:32:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:32:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:45,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:32:45,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57518984] [2024-04-28 14:32:45,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57518984] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:32:45,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097760982] [2024-04-28 14:32:45,752 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 14:32:45,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:32:45,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:32:45,765 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:32:45,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-28 14:32:45,797 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-28 14:32:45,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:32:45,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-28 14:32:45,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:32:46,899 INFO L378 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 55 treesize of output 39 [2024-04-28 14:32:46,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:46,906 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:32:47,954 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:47,956 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:47,957 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:47,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:47,960 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:48,037 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 73 treesize of output 190 [2024-04-28 14:32:48,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,052 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,053 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,055 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:32:48,144 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:32:48,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 47 treesize of output 164 [2024-04-28 14:32:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:32:48,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097760982] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:32:48,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:32:48,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2024-04-28 14:32:48,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246806699] [2024-04-28 14:32:48,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:32:48,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-28 14:32:48,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:32:48,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-28 14:32:48,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=3236, Unknown=0, NotChecked=0, Total=3540 [2024-04-28 14:32:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:32:48,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:32:48,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.8) internal successors, (108), 60 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:32:48,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:03,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 14:33:03,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-28 14:33:03,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:03,257 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:33:03,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:33:03,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2135443449, now seen corresponding path program 12 times [2024-04-28 14:33:03,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:33:03,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237042562] [2024-04-28 14:33:03,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:33:03,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:33:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:03,345 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:03,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:33:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237042562] [2024-04-28 14:33:03,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237042562] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:33:03,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160620277] [2024-04-28 14:33:03,345 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 14:33:03,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:03,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:33:03,346 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:33:03,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-28 14:33:03,391 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-28 14:33:03,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:33:03,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-28 14:33:03,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:33:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:03,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:33:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:03,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160620277] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:33:03,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:33:03,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 24 [2024-04-28 14:33:03,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901136927] [2024-04-28 14:33:03,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:33:03,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-28 14:33:03,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:33:03,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-28 14:33:03,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-04-28 14:33:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:03,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:33:03,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.083333333333333) internal successors, (98), 24 states have internal predecessors, (98), 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) [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:03,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:03,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:03,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:03,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:03,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 14:33:03,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:05,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-28 14:33:05,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:05,640 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:33:05,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:33:05,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1586824785, now seen corresponding path program 13 times [2024-04-28 14:33:05,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:33:05,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208615863] [2024-04-28 14:33:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:33:05,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:33:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:05,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:33:05,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208615863] [2024-04-28 14:33:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208615863] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:33:05,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66379872] [2024-04-28 14:33:05,721 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 14:33:05,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:05,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:33:05,722 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:33:05,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-28 14:33:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:05,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-28 14:33:05,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:33:05,857 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:05,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:33:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:05,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66379872] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:33:05,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:33:05,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2024-04-28 14:33:05,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114034539] [2024-04-28 14:33:05,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:33:05,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-28 14:33:05,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:33:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-28 14:33:05,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-04-28 14:33:05,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:05,980 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:33:05,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.0) internal successors, (80), 20 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:05,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:05,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:07,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:07,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-28 14:33:07,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-04-28 14:33:07,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:07,228 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:33:07,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:33:07,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1785503954, now seen corresponding path program 14 times [2024-04-28 14:33:07,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:33:07,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321367021] [2024-04-28 14:33:07,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:33:07,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:33:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:08,071 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:08,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:33:08,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321367021] [2024-04-28 14:33:08,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321367021] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:33:08,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508460066] [2024-04-28 14:33:08,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 14:33:08,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:08,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:33:08,072 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:33:08,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-28 14:33:08,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 14:33:08,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:33:08,104 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-28 14:33:08,105 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:33:09,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2024-04-28 14:33:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:09,111 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:33:09,856 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:33:10,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:33:10,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 93 treesize of output 356 [2024-04-28 14:33:10,064 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:33:10,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:33:10,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 14 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 31 case distinctions, treesize of input 59 treesize of output 322 [2024-04-28 14:33:20,845 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:20,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508460066] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:33:20,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:33:20,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 64 [2024-04-28 14:33:20,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159998564] [2024-04-28 14:33:20,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:33:20,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-28 14:33:20,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:33:20,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-28 14:33:20,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=3751, Unknown=0, NotChecked=0, Total=4032 [2024-04-28 14:33:20,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:20,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:33:20,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.828125) internal successors, (117), 64 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:20,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-28 14:33:20,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:28,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-04-28 14:33:28,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-28 14:33:28,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-04-28 14:33:28,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-28 14:33:28,420 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:33:28,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:33:28,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1044020529, now seen corresponding path program 15 times [2024-04-28 14:33:28,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:33:28,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298081018] [2024-04-28 14:33:28,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:33:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:33:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:28,507 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:28,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:33:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298081018] [2024-04-28 14:33:28,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298081018] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:33:28,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131076] [2024-04-28 14:33:28,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 14:33:28,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:28,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:33:28,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:33:28,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-28 14:33:28,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-28 14:33:28,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:33:28,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-28 14:33:28,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:33:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:28,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:33:28,912 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 14:33:28,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131076] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:33:28,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:33:28,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2024-04-28 14:33:28,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121995809] [2024-04-28 14:33:28,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:33:28,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-28 14:33:28,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:33:28,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-28 14:33:28,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-04-28 14:33:28,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:28,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:33:28,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.16) internal successors, (104), 25 states have internal predecessors, (104), 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) [2024-04-28 14:33:28,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:28,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-28 14:33:28,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:30,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-04-28 14:33:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-28 14:33:30,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-28 14:33:30,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:30,398 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:33:30,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:33:30,399 INFO L85 PathProgramCache]: Analyzing trace with hash 712085956, now seen corresponding path program 16 times [2024-04-28 14:33:30,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:33:30,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447250547] [2024-04-28 14:33:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:33:30,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:33:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:33:31,269 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 14:33:31,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:33:31,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447250547] [2024-04-28 14:33:31,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447250547] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:33:31,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051061114] [2024-04-28 14:33:31,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 14:33:31,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:33:31,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:33:31,271 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:33:31,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-28 14:33:31,302 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 14:33:31,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:33:31,303 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-28 14:33:31,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:33:32,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 55 [2024-04-28 14:33:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:32,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:33:34,383 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:33:34,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 1 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 65 case distinctions, treesize of input 113 treesize of output 500 [2024-04-28 14:33:34,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:33:34,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 22 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 44 case distinctions, treesize of input 71 treesize of output 458 [2024-04-28 14:33:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:33:57,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051061114] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:33:57,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:33:57,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 28] total 73 [2024-04-28 14:33:57,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071116637] [2024-04-28 14:33:57,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:33:57,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-28 14:33:57,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:33:57,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-28 14:33:57,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=4946, Unknown=0, NotChecked=0, Total=5256 [2024-04-28 14:33:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:33:57,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:33:57,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 1.821917808219178) internal successors, (133), 73 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:33:57,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-28 14:33:57,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-28 14:34:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-28 14:34:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-28 14:34:09,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-28 14:34:09,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-28 14:34:09,799 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:34:09,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:34:09,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1841199216, now seen corresponding path program 17 times [2024-04-28 14:34:09,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:34:09,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839819565] [2024-04-28 14:34:09,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:34:09,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:34:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:34:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:34:09,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:34:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839819565] [2024-04-28 14:34:09,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839819565] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:34:09,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588295827] [2024-04-28 14:34:09,891 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 14:34:09,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:34:09,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:34:09,892 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:34:09,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-28 14:34:09,938 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-28 14:34:09,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:34:09,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-28 14:34:09,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:34:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:34:10,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:34:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:34:10,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [588295827] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 14:34:10,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 14:34:10,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 25 [2024-04-28 14:34:10,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128935162] [2024-04-28 14:34:10,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 14:34:10,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-28 14:34:10,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 14:34:10,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-28 14:34:10,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2024-04-28 14:34:10,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:34:10,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 14:34:10,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.92) internal successors, (98), 25 states have internal predecessors, (98), 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) [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:34:10,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-28 14:34:10,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-28 14:34:11,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-28 14:34:11,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-28 14:34:11,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-28 14:34:12,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-28 14:34:12,056 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 14:34:12,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 14:34:12,056 INFO L85 PathProgramCache]: Analyzing trace with hash -39140177, now seen corresponding path program 18 times [2024-04-28 14:34:12,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 14:34:12,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265450779] [2024-04-28 14:34:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 14:34:12,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 14:34:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 14:34:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:34:12,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 14:34:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265450779] [2024-04-28 14:34:12,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265450779] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 14:34:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285426692] [2024-04-28 14:34:12,952 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 14:34:12,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:34:12,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 14:34:12,953 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 14:34:12,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-28 14:34:12,986 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-28 14:34:12,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 14:34:12,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-28 14:34:12,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 14:34:14,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:34:14,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 127 [2024-04-28 14:34:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 14:34:14,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:34:14,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 11 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 196 treesize of output 216 [2024-04-28 14:34:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 14:34:14,659 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 14:34:29,564 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:34:29,566 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:34:29,860 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:34:29,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 37 case distinctions, treesize of input 81 treesize of output 394 [2024-04-28 14:34:29,891 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:34:29,893 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 14:34:30,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 14:34:30,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 8 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 37 case distinctions, treesize of input 53 treesize of output 366 [2024-04-28 14:37:55,433 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-04-28 14:37:55,435 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-28 14:37:55,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-04-28 14:37:55,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-04-28 14:37:55,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 14:37:55,636 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-04-28 14:37:55,640 INFO L158 Benchmark]: Toolchain (without parser) took 392573.67ms. Allocated memory was 226.5MB in the beginning and 1.2GB in the end (delta: 986.7MB). Free memory was 200.4MB in the beginning and 920.9MB in the end (delta: -720.5MB). Peak memory consumption was 834.2MB. Max. memory is 8.0GB. [2024-04-28 14:37:55,640 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 14:37:55,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.76ms. Allocated memory is still 226.5MB. Free memory was 200.4MB in the beginning and 199.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-28 14:37:55,640 INFO L158 Benchmark]: Boogie Preprocessor took 19.22ms. Allocated memory is still 226.5MB. Free memory was 199.0MB in the beginning and 197.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 14:37:55,640 INFO L158 Benchmark]: RCFGBuilder took 227.23ms. Allocated memory is still 226.5MB. Free memory was 197.6MB in the beginning and 187.5MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2024-04-28 14:37:55,641 INFO L158 Benchmark]: TraceAbstraction took 392291.83ms. Allocated memory was 226.5MB in the beginning and 1.2GB in the end (delta: 986.7MB). Free memory was 186.1MB in the beginning and 920.9MB in the end (delta: -734.8MB). Peak memory consumption was 821.6MB. Max. memory is 8.0GB. [2024-04-28 14:37:55,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.76ms. Allocated memory is still 226.5MB. Free memory was 200.4MB in the beginning and 199.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.22ms. Allocated memory is still 226.5MB. Free memory was 199.0MB in the beginning and 197.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 227.23ms. Allocated memory is still 226.5MB. Free memory was 197.6MB in the beginning and 187.5MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 392291.83ms. Allocated memory was 226.5MB in the beginning and 1.2GB in the end (delta: 986.7MB). Free memory was 186.1MB in the beginning and 920.9MB in the end (delta: -734.8MB). Peak memory consumption was 821.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-28 14:37:55,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...