/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -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 [2024-04-27 08:20:56,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-27 08:20:56,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-27 08:20:56,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-27 08:20:56,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-27 08:20:56,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-27 08:20:56,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-27 08:20:56,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-27 08:20:56,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-27 08:20:56,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-27 08:20:56,421 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-27 08:20:56,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-27 08:20:56,422 INFO L153 SettingsManager]: * Use SBE=true [2024-04-27 08:20:56,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-27 08:20:56,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-27 08:20:56,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-27 08:20:56,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-27 08:20:56,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-27 08:20:56,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-27 08:20:56,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-27 08:20:56,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-27 08:20:56,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-27 08:20:56,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-27 08:20:56,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-27 08:20:56,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-27 08:20:56,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-27 08:20:56,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-27 08:20:56,426 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-27 08:20:56,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-27 08:20:56,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 08:20:56,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-27 08:20:56,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-27 08:20:56,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-27 08:20:56,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-27 08:20:56,428 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-27 08:20:56,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-27 08:20:56,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-27 08:20:56,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-27 08:20:56,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-27 08:20:56,428 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-27 08:20:56,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-27 08:20:56,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-27 08:20:56,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-27 08:20:56,691 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-27 08:20:56,692 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-27 08:20:56,693 INFO L431 ainManager$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 [2024-04-27 08:20:56,693 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2024-04-27 08:20:56,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-27 08:20:56,722 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-27 08:20:56,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-27 08:20:56,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-27 08:20:56,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-27 08:20:56,788 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 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,810 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 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,816 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-27 08:20:56,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-27 08:20:56,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-27 08:20:56,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-27 08:20:56,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-27 08:20:56,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-27 08:20:56,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-27 08:20:56,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-27 08:20:56,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-27 08:20:56,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/1) ... [2024-04-27 08:20:56,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-27 08:20:56,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:20:56,877 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) [2024-04-27 08:20:56,902 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 [2024-04-27 08:20:56,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-27 08:20:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-27 08:20:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-27 08:20:56,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-27 08:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-27 08:20:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-27 08:20:56,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-27 08:20:56,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-27 08:20:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-27 08:20:56,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-27 08:20:56,932 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-27 08:20:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-27 08:20:56,932 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-27 08:20:56,980 INFO L241 CfgBuilder]: Building ICFG [2024-04-27 08:20:56,982 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-27 08:20:57,082 INFO L282 CfgBuilder]: Performing block encoding [2024-04-27 08:20:57,091 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-27 08:20:57,091 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-27 08:20:57,094 INFO L201 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:20:57 BoogieIcfgContainer [2024-04-27 08:20:57,094 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-27 08:20:57,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-27 08:20:57,097 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-27 08:20:57,100 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-27 08:20:57,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 27.04 08:20:56" (1/2) ... [2024-04-27 08:20:57,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7482e251 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 08:20:57, skipping insertion in model container [2024-04-27 08:20:57,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 08:20:57" (2/2) ... [2024-04-27 08:20:57,103 INFO L112 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2024-04-27 08:20:57,111 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-27 08:20:57,117 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-27 08:20:57,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-27 08:20:57,117 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-27 08:20:57,165 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-27 08:20:57,199 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-27 08:20:57,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-27 08:20:57,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:20:57,204 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) [2024-04-27 08:20:57,209 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 [2024-04-27 08:20:57,252 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-27 08:20:57,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:57,266 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-27 08:20:57,273 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;@64edcfbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-04-27 08:20:57,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-27 08:20:57,305 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)] === [2024-04-27 08:20:57,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:57,306 INFO L85 PathProgramCache]: Analyzing trace with hash 335102580, now seen corresponding path program 1 times [2024-04-27 08:20:57,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:20:57,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574530654] [2024-04-27 08:20:57,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:57,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:20:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:57,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:20:57,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574530654] [2024-04-27 08:20:57,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574530654] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 08:20:57,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 08:20:57,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-27 08:20:57,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723089574] [2024-04-27 08:20:57,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 08:20:57,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-27 08:20:57,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:20:57,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-27 08:20:57,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-27 08:20:57,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:20:57,519 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) [2024-04-27 08:20:57,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:57,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-27 08:20:57,549 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)] === [2024-04-27 08:20:57,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:57,550 INFO L85 PathProgramCache]: Analyzing trace with hash -355024957, now seen corresponding path program 1 times [2024-04-27 08:20:57,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:20:57,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554377007] [2024-04-27 08:20:57,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:57,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:20:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:20:57,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:20:57,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554377007] [2024-04-27 08:20:57,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554377007] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 08:20:57,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 08:20:57,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 08:20:57,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624883596] [2024-04-27 08:20:57,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 08:20:57,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-27 08:20:57,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:20:57,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-27 08:20:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-27 08:20:57,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:20:57,665 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) [2024-04-27 08:20:57,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:57,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:57,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:20:57,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-27 08:20:57,754 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)] === [2024-04-27 08:20:57,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:57,754 INFO L85 PathProgramCache]: Analyzing trace with hash -376704537, now seen corresponding path program 1 times [2024-04-27 08:20:57,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:20:57,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150998986] [2024-04-27 08:20:57,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:20:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:57,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:20:57,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150998986] [2024-04-27 08:20:57,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150998986] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-27 08:20:57,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-27 08:20:57,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-27 08:20:57,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866011693] [2024-04-27 08:20:57,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-27 08:20:57,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-27 08:20:57,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:20:57,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-27 08:20:57,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-27 08:20:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,824 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:20:57,825 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) [2024-04-27 08:20:57,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:57,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:20:57,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:20:57,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:20:57,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-27 08:20:57,886 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)] === [2024-04-27 08:20:57,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:57,887 INFO L85 PathProgramCache]: Analyzing trace with hash -98931126, now seen corresponding path program 1 times [2024-04-27 08:20:57,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:20:57,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841635627] [2024-04-27 08:20:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:57,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:20:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:58,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:20:58,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841635627] [2024-04-27 08:20:58,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841635627] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:20:58,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858233629] [2024-04-27 08:20:58,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:58,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:20:58,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:20:58,555 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) [2024-04-27 08:20:58,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-27 08:20:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:58,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-27 08:20:58,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:20:58,880 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 [2024-04-27 08:20:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:58,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:20:58,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:20:58,968 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 [2024-04-27 08:20:58,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:20:58,979 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 [2024-04-27 08:20:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:59,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858233629] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:20:59,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:20:59,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-04-27 08:20:59,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265927667] [2024-04-27 08:20:59,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:20:59,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-27 08:20:59,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:20:59,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-27 08:20:59,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-04-27 08:20:59,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:59,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:20:59,107 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) [2024-04-27 08:20:59,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:59,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:20:59,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:20:59,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:20:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:20:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:20:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:20:59,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:20:59,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-27 08:20:59,757 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 [2024-04-27 08:20:59,757 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)] === [2024-04-27 08:20:59,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:20:59,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1493367853, now seen corresponding path program 2 times [2024-04-27 08:20:59,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:20:59,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803515458] [2024-04-27 08:20:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:20:59,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:20:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:20:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:20:59,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:20:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803515458] [2024-04-27 08:20:59,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803515458] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:20:59,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508448511] [2024-04-27 08:20:59,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 08:20:59,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:20:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:20:59,864 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) [2024-04-27 08:20:59,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-27 08:20:59,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 08:20:59,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:20:59,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-27 08:20:59,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:00,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:00,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508448511] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:00,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:00,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13 [2024-04-27 08:21:00,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411096708] [2024-04-27 08:21:00,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:00,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-27 08:21:00,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:00,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-27 08:21:00,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-04-27 08:21:00,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:00,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:00,079 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) [2024-04-27 08:21:00,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:00,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:00,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:00,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:00,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:00,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:00,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:00,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:00,502 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 [2024-04-27 08:21:00,502 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)] === [2024-04-27 08:21:00,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1842949777, now seen corresponding path program 3 times [2024-04-27 08:21:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403094388] [2024-04-27 08:21:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:00,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:00,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:00,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403094388] [2024-04-27 08:21:00,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403094388] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:00,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920583742] [2024-04-27 08:21:00,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 08:21:00,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:00,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:00,578 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) [2024-04-27 08:21:00,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-27 08:21:00,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-27 08:21:00,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:00,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-27 08:21:00,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:00,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:00,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920583742] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:00,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:00,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-27 08:21:00,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204457747] [2024-04-27 08:21:00,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:00,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-27 08:21:00,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-27 08:21:00,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-04-27 08:21:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:00,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:00,797 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) [2024-04-27 08:21:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:00,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:00,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:00,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:01,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-27 08:21:01,193 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 [2024-04-27 08:21:01,194 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)] === [2024-04-27 08:21:01,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash 306248032, now seen corresponding path program 4 times [2024-04-27 08:21:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:01,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605796345] [2024-04-27 08:21:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:01,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:01,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605796345] [2024-04-27 08:21:01,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605796345] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:01,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721789192] [2024-04-27 08:21:01,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 08:21:01,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:01,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:01,751 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) [2024-04-27 08:21:01,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-27 08:21:01,793 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 08:21:01,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:01,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-27 08:21:01,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:02,171 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 [2024-04-27 08:21:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:02,188 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:02,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:02,387 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 [2024-04-27 08:21:02,419 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:02,419 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 [2024-04-27 08:21:02,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:02,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721789192] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:02,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:02,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 30 [2024-04-27 08:21:02,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619569785] [2024-04-27 08:21:02,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:02,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-27 08:21:02,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:02,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-27 08:21:02,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=810, Unknown=0, NotChecked=0, Total=930 [2024-04-27 08:21:02,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:02,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:02,600 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) [2024-04-27 08:21:02,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:02,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:02,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:02,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:02,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:02,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:03,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:21:03,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:03,831 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 [2024-04-27 08:21:03,831 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)] === [2024-04-27 08:21:03,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:03,832 INFO L85 PathProgramCache]: Analyzing trace with hash -2082710538, now seen corresponding path program 5 times [2024-04-27 08:21:03,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:03,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327114747] [2024-04-27 08:21:03,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:04,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327114747] [2024-04-27 08:21:04,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327114747] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:04,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900486364] [2024-04-27 08:21:04,437 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 08:21:04,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:04,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:04,439 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) [2024-04-27 08:21:04,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-27 08:21:04,477 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-27 08:21:04,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:04,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-27 08:21:04,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:05,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:05,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:05,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:05,096 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 [2024-04-27 08:21:05,104 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 [2024-04-27 08:21:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:05,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:05,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,771 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:05,796 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 [2024-04-27 08:21:05,802 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,803 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,806 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:05,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:05,833 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 [2024-04-27 08:21:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:05,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900486364] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:05,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:05,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 46 [2024-04-27 08:21:05,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108959098] [2024-04-27 08:21:05,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:05,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-27 08:21:05,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:05,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-27 08:21:05,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1931, Unknown=0, NotChecked=0, Total=2162 [2024-04-27 08:21:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:05,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:05,997 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) [2024-04-27 08:21:05,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:05,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:05,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:05,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-27 08:21:05,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:05,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-27 08:21:05,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:21:05,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:12,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-04-27 08:21:12,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:12,501 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 [2024-04-27 08:21:12,502 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)] === [2024-04-27 08:21:12,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:12,503 INFO L85 PathProgramCache]: Analyzing trace with hash 309948262, now seen corresponding path program 1 times [2024-04-27 08:21:12,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:12,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913283334] [2024-04-27 08:21:12,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:12,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:12,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:12,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913283334] [2024-04-27 08:21:12,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913283334] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:12,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485196254] [2024-04-27 08:21:12,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:12,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:12,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:12,551 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) [2024-04-27 08:21:12,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-27 08:21:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:12,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-27 08:21:12,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:12,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:12,699 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485196254] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:12,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-04-27 08:21:12,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116367874] [2024-04-27 08:21:12,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:12,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-27 08:21:12,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-27 08:21:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-04-27 08:21:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:12,705 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:12,705 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) [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:12,705 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-04-27 08:21:12,706 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:12,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:12,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:12,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-27 08:21:13,137 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 [2024-04-27 08:21:13,137 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)] === [2024-04-27 08:21:13,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1870284725, now seen corresponding path program 2 times [2024-04-27 08:21:13,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:13,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472665362] [2024-04-27 08:21:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:13,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:13,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:13,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472665362] [2024-04-27 08:21:13,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472665362] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:13,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805132311] [2024-04-27 08:21:13,575 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 08:21:13,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:13,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:13,577 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) [2024-04-27 08:21:13,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-27 08:21:13,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 08:21:13,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:13,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-27 08:21:13,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:13,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:13,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:13,932 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 [2024-04-27 08:21:14,016 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:14,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:14,209 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:14,209 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 [2024-04-27 08:21:14,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:14,264 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 [2024-04-27 08:21:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:14,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805132311] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:14,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:14,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 30 [2024-04-27 08:21:14,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836029970] [2024-04-27 08:21:14,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:14,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-27 08:21:14,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:14,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-27 08:21:14,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2024-04-27 08:21:14,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:14,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:14,636 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) [2024-04-27 08:21:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:14,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:14,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:16,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:16,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:16,440 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-27 08:21:16,640 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 [2024-04-27 08:21:16,641 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)] === [2024-04-27 08:21:16,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:16,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1136135350, now seen corresponding path program 3 times [2024-04-27 08:21:16,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:16,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895708936] [2024-04-27 08:21:16,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:16,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:16,709 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:16,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895708936] [2024-04-27 08:21:16,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895708936] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880380238] [2024-04-27 08:21:16,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 08:21:16,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:16,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:16,711 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) [2024-04-27 08:21:16,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-27 08:21:16,752 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-27 08:21:16,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:16,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-27 08:21:16,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:16,838 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:16,839 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:16,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880380238] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:16,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:16,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-27 08:21:16,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288992790] [2024-04-27 08:21:16,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:16,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-27 08:21:16,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:16,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-27 08:21:16,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-04-27 08:21:16,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:16,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:16,948 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) [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:16,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:16,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:16,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:16,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:16,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:16,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:17,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-27 08:21:17,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:17,572 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 [2024-04-27 08:21:17,572 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)] === [2024-04-27 08:21:17,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1402102340, now seen corresponding path program 4 times [2024-04-27 08:21:17,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:17,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622625982] [2024-04-27 08:21:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:17,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:17,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622625982] [2024-04-27 08:21:17,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622625982] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:17,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138611371] [2024-04-27 08:21:17,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 08:21:17,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:17,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:17,636 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) [2024-04-27 08:21:17,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-27 08:21:17,668 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 08:21:17,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:17,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-27 08:21:17,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:17,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:17,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138611371] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:17,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-27 08:21:17,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018885416] [2024-04-27 08:21:17,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:17,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-27 08:21:17,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:17,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-27 08:21:17,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-04-27 08:21:17,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:17,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:17,809 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) [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-27 08:21:17,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:18,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:18,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:18,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:18,418 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 [2024-04-27 08:21:18,419 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)] === [2024-04-27 08:21:18,419 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:18,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1278702047, now seen corresponding path program 5 times [2024-04-27 08:21:18,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:18,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190022247] [2024-04-27 08:21:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:18,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:18,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190022247] [2024-04-27 08:21:18,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190022247] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:18,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169755986] [2024-04-27 08:21:18,877 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 08:21:18,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:18,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:18,881 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) [2024-04-27 08:21:18,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-27 08:21:18,912 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-27 08:21:18,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:18,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-27 08:21:18,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:19,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:19,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:19,566 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 [2024-04-27 08:21:19,586 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 [2024-04-27 08:21:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:19,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:20,259 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,261 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,262 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:20,294 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 [2024-04-27 08:21:20,305 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,307 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,307 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:20,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:20,341 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 [2024-04-27 08:21:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:20,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169755986] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:20,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:20,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 47 [2024-04-27 08:21:20,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006738213] [2024-04-27 08:21:20,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:20,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-04-27 08:21:20,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:20,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-04-27 08:21:20,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1951, Unknown=0, NotChecked=0, Total=2162 [2024-04-27 08:21:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:20,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:20,615 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) [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:20,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:20,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:26,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2024-04-27 08:21:26,379 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:26,576 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 [2024-04-27 08:21:26,576 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)] === [2024-04-27 08:21:26,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:26,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1570087136, now seen corresponding path program 6 times [2024-04-27 08:21:26,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:26,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155842580] [2024-04-27 08:21:26,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:26,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:26,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:26,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155842580] [2024-04-27 08:21:26,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155842580] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:26,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163782835] [2024-04-27 08:21:26,673 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-27 08:21:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:26,674 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) [2024-04-27 08:21:26,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-27 08:21:26,732 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-27 08:21:26,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:26,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-27 08:21:26,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:26,831 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:26,961 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:21:26,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163782835] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:26,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-04-27 08:21:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306516500] [2024-04-27 08:21:26,962 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:26,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-27 08:21:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:26,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-27 08:21:26,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-04-27 08:21:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:26,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:26,971 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) [2024-04-27 08:21:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:26,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2024-04-27 08:21:26,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:29,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:29,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:29,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-27 08:21:30,061 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 [2024-04-27 08:21:30,061 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)] === [2024-04-27 08:21:30,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:30,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1533076478, now seen corresponding path program 7 times [2024-04-27 08:21:30,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:30,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407499247] [2024-04-27 08:21:30,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:30,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:30,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407499247] [2024-04-27 08:21:30,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407499247] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:30,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887916471] [2024-04-27 08:21:30,590 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-27 08:21:30,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:30,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:30,591 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) [2024-04-27 08:21:30,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-27 08:21:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:30,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-27 08:21:30,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:30,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:30,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:30,982 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 [2024-04-27 08:21:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:31,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:31,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:31,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:31,293 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 [2024-04-27 08:21:31,304 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:31,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:31,359 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 [2024-04-27 08:21:32,473 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:32,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887916471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:32,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:32,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 34 [2024-04-27 08:21:32,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842810526] [2024-04-27 08:21:32,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:32,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-27 08:21:32,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:32,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-27 08:21:32,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=992, Unknown=0, NotChecked=0, Total=1122 [2024-04-27 08:21:32,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:32,479 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:32,480 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) [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:32,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:34,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:21:34,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-27 08:21:34,685 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 [2024-04-27 08:21:34,686 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)] === [2024-04-27 08:21:34,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:34,686 INFO L85 PathProgramCache]: Analyzing trace with hash -978516383, now seen corresponding path program 8 times [2024-04-27 08:21:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:34,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487307200] [2024-04-27 08:21:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:34,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:34,778 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:34,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:34,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487307200] [2024-04-27 08:21:34,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487307200] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:34,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361432466] [2024-04-27 08:21:34,779 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 08:21:34,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:34,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:34,780 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) [2024-04-27 08:21:34,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-27 08:21:34,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 08:21:34,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:34,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-27 08:21:34,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:34,964 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:34,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:35,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361432466] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:35,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:35,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 24 [2024-04-27 08:21:35,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490454194] [2024-04-27 08:21:35,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:35,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-27 08:21:35,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:35,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-27 08:21:35,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2024-04-27 08:21:35,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:35,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:35,137 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) [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:21:35,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:36,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:21:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-27 08:21:36,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-27 08:21:36,396 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 [2024-04-27 08:21:36,396 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)] === [2024-04-27 08:21:36,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:21:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1263586488, now seen corresponding path program 9 times [2024-04-27 08:21:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:21:36,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170508806] [2024-04-27 08:21:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:21:36,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:21:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:21:37,273 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-27 08:21:37,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:21:37,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170508806] [2024-04-27 08:21:37,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170508806] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:21:37,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630581409] [2024-04-27 08:21:37,274 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 08:21:37,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:21:37,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:21:37,275 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) [2024-04-27 08:21:37,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-27 08:21:37,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-27 08:21:37,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:21:37,314 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 51 conjunts are in the unsatisfiable core [2024-04-27 08:21:37,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:21:38,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:38,489 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 [2024-04-27 08:21:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:21:38,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:38,508 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 [2024-04-27 08:21:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:38,692 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:21:39,643 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:39,644 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:39,645 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:39,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:39,831 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 [2024-04-27 08:21:39,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:39,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:39,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:21:40,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:21:40,114 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 [2024-04-27 08:21:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:21:52,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630581409] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:21:52,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:21:52,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 27, 27] total 67 [2024-04-27 08:21:52,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975537957] [2024-04-27 08:21:52,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:21:52,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-27 08:21:52,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:21:52,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-27 08:21:52,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=3822, Unknown=0, NotChecked=0, Total=4422 [2024-04-27 08:21:52,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:21:52,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:21:52,097 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) [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:21:52,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-27 08:21:52,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-27 08:21:52,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:21:52,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-27 08:21:52,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:13,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:13,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:13,542 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:13,740 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 [2024-04-27 08:22:13,740 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)] === [2024-04-27 08:22:13,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1426810457, now seen corresponding path program 10 times [2024-04-27 08:22:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:13,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429744401] [2024-04-27 08:22:13,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:13,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:13,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429744401] [2024-04-27 08:22:13,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429744401] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357709098] [2024-04-27 08:22:13,839 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 08:22:13,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:13,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:13,841 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) [2024-04-27 08:22:13,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-27 08:22:13,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 08:22:13,889 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:13,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-27 08:22:13,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:14,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357709098] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:14,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:14,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-04-27 08:22:14,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171989739] [2024-04-27 08:22:14,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:14,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-27 08:22:14,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:14,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-27 08:22:14,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2024-04-27 08:22:14,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:14,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:14,139 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) [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:14,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:14,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:14,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:14,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:15,159 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 [2024-04-27 08:22:15,160 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)] === [2024-04-27 08:22:15,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1003357208, now seen corresponding path program 11 times [2024-04-27 08:22:15,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:15,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409491368] [2024-04-27 08:22:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:15,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:15,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409491368] [2024-04-27 08:22:15,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409491368] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:15,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819053299] [2024-04-27 08:22:15,929 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 08:22:15,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:15,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:15,930 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) [2024-04-27 08:22:15,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-27 08:22:15,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-27 08:22:15,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:15,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-27 08:22:15,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:17,037 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 [2024-04-27 08:22:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:17,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:18,082 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,085 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,088 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,160 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:22:18,161 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 [2024-04-27 08:22:18,172 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,172 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,175 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,176 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,178 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:18,258 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:22:18,259 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 [2024-04-27 08:22:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:18,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819053299] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:18,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:18,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 60 [2024-04-27 08:22:18,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707610055] [2024-04-27 08:22:18,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:18,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-27 08:22:18,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-27 08:22:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=3236, Unknown=0, NotChecked=0, Total=3540 [2024-04-27 08:22:18,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:18,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:18,943 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) [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:18,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:18,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:18,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:31,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2024-04-27 08:22:31,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:32,129 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 [2024-04-27 08:22:32,129 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)] === [2024-04-27 08:22:32,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash -2135443449, now seen corresponding path program 12 times [2024-04-27 08:22:32,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:32,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945742132] [2024-04-27 08:22:32,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:32,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:32,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945742132] [2024-04-27 08:22:32,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945742132] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:32,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810396737] [2024-04-27 08:22:32,244 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-27 08:22:32,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:32,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:32,245 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) [2024-04-27 08:22:32,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-27 08:22:32,301 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-27 08:22:32,301 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:32,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-27 08:22:32,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:32,441 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:32,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:32,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810396737] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:32,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:32,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 24 [2024-04-27 08:22:32,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225732269] [2024-04-27 08:22:32,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:32,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-27 08:22:32,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:32,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-27 08:22:32,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2024-04-27 08:22:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:32,616 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:32,616 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) [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:32,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2024-04-27 08:22:32,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:34,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:34,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:34,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:34,354 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 [2024-04-27 08:22:34,354 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)] === [2024-04-27 08:22:34,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:34,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1586824785, now seen corresponding path program 13 times [2024-04-27 08:22:34,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:34,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268288574] [2024-04-27 08:22:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:34,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:34,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:34,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268288574] [2024-04-27 08:22:34,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268288574] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:34,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626562556] [2024-04-27 08:22:34,451 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-27 08:22:34,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:34,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:34,452 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) [2024-04-27 08:22:34,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-27 08:22:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:34,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-27 08:22:34,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:34,581 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:34,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626562556] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:34,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:34,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2024-04-27 08:22:34,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747077200] [2024-04-27 08:22:34,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:34,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-27 08:22:34,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:34,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-27 08:22:34,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2024-04-27 08:22:34,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:34,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:34,715 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) [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:34,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:34,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:35,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:35,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:35,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-27 08:22:35,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-04-27 08:22:35,740 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 [2024-04-27 08:22:35,740 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)] === [2024-04-27 08:22:35,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:35,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1785503954, now seen corresponding path program 14 times [2024-04-27 08:22:35,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:35,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389566664] [2024-04-27 08:22:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:36,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:36,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389566664] [2024-04-27 08:22:36,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389566664] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:36,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817582655] [2024-04-27 08:22:36,471 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-27 08:22:36,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:36,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:36,472 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) [2024-04-27 08:22:36,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-27 08:22:36,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-27 08:22:36,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:36,503 WARN L260 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-27 08:22:36,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:37,601 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 [2024-04-27 08:22:37,608 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:37,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:38,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:38,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:22:38,713 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 [2024-04-27 08:22:38,733 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:22:38,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:22:38,964 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 [2024-04-27 08:22:49,800 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:22:49,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817582655] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:49,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:49,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 64 [2024-04-27 08:22:49,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114265212] [2024-04-27 08:22:49,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:49,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-27 08:22:49,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:49,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-27 08:22:49,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=3751, Unknown=0, NotChecked=0, Total=4032 [2024-04-27 08:22:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:49,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:49,811 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) [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:49,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-27 08:22:49,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:56,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-27 08:22:56,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-27 08:22:56,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:56,882 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 [2024-04-27 08:22:56,882 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)] === [2024-04-27 08:22:56,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:56,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1044020529, now seen corresponding path program 15 times [2024-04-27 08:22:56,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:56,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615721919] [2024-04-27 08:22:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:56,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:57,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:57,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615721919] [2024-04-27 08:22:57,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615721919] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:57,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835203988] [2024-04-27 08:22:57,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-27 08:22:57,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:57,008 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) [2024-04-27 08:22:57,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-27 08:22:57,064 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-27 08:22:57,064 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:57,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-27 08:22:57,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:22:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 17 proven. 50 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:57,223 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:22:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-27 08:22:57,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835203988] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:22:57,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:22:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 25 [2024-04-27 08:22:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072201531] [2024-04-27 08:22:57,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:22:57,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-27 08:22:57,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:22:57,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-27 08:22:57,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2024-04-27 08:22:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:57,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:22:57,440 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) [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:57,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-27 08:22:57,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:22:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:22:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:22:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:22:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:22:58,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:22:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:22:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:22:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:22:58,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-27 08:22:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-27 08:22:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-27 08:22:58,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-27 08:22:58,640 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 [2024-04-27 08:22:58,640 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)] === [2024-04-27 08:22:58,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:22:58,641 INFO L85 PathProgramCache]: Analyzing trace with hash 712085956, now seen corresponding path program 16 times [2024-04-27 08:22:58,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:22:58,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915368225] [2024-04-27 08:22:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:22:58,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:22:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:22:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-27 08:22:59,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:22:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915368225] [2024-04-27 08:22:59,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915368225] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:22:59,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155079351] [2024-04-27 08:22:59,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-27 08:22:59,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:22:59,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:22:59,459 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) [2024-04-27 08:22:59,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-27 08:22:59,491 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-27 08:22:59,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:22:59,493 WARN L260 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-27 08:22:59,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:23:00,951 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 [2024-04-27 08:23:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:00,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:23:02,617 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:02,618 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 [2024-04-27 08:23:03,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:03,089 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 [2024-04-27 08:23:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:27,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155079351] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:23:27,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:23:27,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 28, 28] total 73 [2024-04-27 08:23:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341097326] [2024-04-27 08:23:27,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:23:27,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-27 08:23:27,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:23:27,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-27 08:23:27,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=4946, Unknown=0, NotChecked=0, Total=5256 [2024-04-27 08:23:27,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:23:27,067 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:23:27,067 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) [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:23:27,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-27 08:23:27,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:23:38,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-27 08:23:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-27 08:23:38,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-04-27 08:23:38,405 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 [2024-04-27 08:23:38,405 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)] === [2024-04-27 08:23:38,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:23:38,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1841199216, now seen corresponding path program 17 times [2024-04-27 08:23:38,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:23:38,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267058651] [2024-04-27 08:23:38,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:23:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:23:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:23:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:38,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:23:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267058651] [2024-04-27 08:23:38,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267058651] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:23:38,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517501304] [2024-04-27 08:23:38,503 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-27 08:23:38,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:23:38,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:23:38,504 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) [2024-04-27 08:23:38,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-27 08:23:38,556 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-27 08:23:38,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:23:38,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-27 08:23:38,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:23:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:38,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:23:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:38,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517501304] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-27 08:23:38,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-27 08:23:38,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 25 [2024-04-27 08:23:38,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773465600] [2024-04-27 08:23:38,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-27 08:23:38,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-04-27 08:23:38,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-27 08:23:38,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-04-27 08:23:38,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2024-04-27 08:23:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:23:38,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-27 08:23:38,871 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) [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-27 08:23:38,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-27 08:23:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-04-27 08:23:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-27 08:23:38,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-04-27 08:23:40,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-27 08:23:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-04-27 08:23:40,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-04-27 08:23:40,685 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 [2024-04-27 08:23:40,685 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)] === [2024-04-27 08:23:40,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-27 08:23:40,685 INFO L85 PathProgramCache]: Analyzing trace with hash -39140177, now seen corresponding path program 18 times [2024-04-27 08:23:40,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-27 08:23:40,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293149503] [2024-04-27 08:23:40,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-27 08:23:40,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-27 08:23:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-27 08:23:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:41,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-27 08:23:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293149503] [2024-04-27 08:23:41,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293149503] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-27 08:23:41,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040952619] [2024-04-27 08:23:41,537 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-27 08:23:41,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-27 08:23:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-27 08:23:41,539 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) [2024-04-27 08:23:41,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-04-27 08:23:41,569 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-27 08:23:41,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-27 08:23:41,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-27 08:23:41,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-27 08:23:43,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,057 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:43,057 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 [2024-04-27 08:23:43,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-27 08:23:43,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:43,117 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 [2024-04-27 08:23:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-27 08:23:43,484 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-27 08:23:52,241 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:23:52,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:23:52,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:52,520 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 [2024-04-27 08:23:52,552 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:23:52,554 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-27 08:23:52,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-27 08:23:52,945 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 [2024-04-27 08:27:16,573 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") [2024-04-27 08:27:16,575 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 [2024-04-27 08:27:16,575 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-27 08:27:16,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-04-27 08:27:16,776 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 [2024-04-27 08:27:16,777 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 [2024-04-27 08:27:16,786 INFO L158 Benchmark]: Toolchain (without parser) took 380063.96ms. Allocated memory was 168.8MB in the beginning and 1.1GB in the end (delta: 974.1MB). Free memory was 134.3MB in the beginning and 991.0MB in the end (delta: -856.7MB). Peak memory consumption was 758.0MB. Max. memory is 8.0GB. [2024-04-27 08:27:16,787 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 168.8MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-27 08:27:16,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.09ms. Allocated memory was 168.8MB in the beginning and 316.7MB in the end (delta: 147.8MB). Free memory was 134.3MB in the beginning and 288.6MB in the end (delta: -154.2MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. [2024-04-27 08:27:16,788 INFO L158 Benchmark]: Boogie Preprocessor took 24.13ms. Allocated memory is still 316.7MB. Free memory was 288.6MB in the beginning and 287.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-27 08:27:16,788 INFO L158 Benchmark]: RCFGBuilder took 248.33ms. Allocated memory is still 316.7MB. Free memory was 287.4MB in the beginning and 277.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-27 08:27:16,788 INFO L158 Benchmark]: TraceAbstraction took 379688.95ms. Allocated memory was 316.7MB in the beginning and 1.1GB in the end (delta: 826.3MB). Free memory was 276.2MB in the beginning and 991.0MB in the end (delta: -714.8MB). Peak memory consumption was 753.0MB. Max. memory is 8.0GB. [2024-04-27 08:27:16,791 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 0.12ms. Allocated memory is still 168.8MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 97.09ms. Allocated memory was 168.8MB in the beginning and 316.7MB in the end (delta: 147.8MB). Free memory was 134.3MB in the beginning and 288.6MB in the end (delta: -154.2MB). Peak memory consumption was 4.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.13ms. Allocated memory is still 316.7MB. Free memory was 288.6MB in the beginning and 287.4MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 248.33ms. Allocated memory is still 316.7MB. Free memory was 287.4MB in the beginning and 277.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 379688.95ms. Allocated memory was 316.7MB in the beginning and 1.1GB in the end (delta: 826.3MB). Free memory was 276.2MB in the beginning and 991.0MB in the end (delta: -714.8MB). Peak memory consumption was 753.0MB. 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. [2024-04-27 08:27:16,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...