/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 12:04:43,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 12:04:44,019 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 12:04:44,024 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 12:04:44,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 12:04:44,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 12:04:44,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 12:04:44,047 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 12:04:44,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 12:04:44,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 12:04:44,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 12:04:44,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 12:04:44,051 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 12:04:44,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 12:04:44,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 12:04:44,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 12:04:44,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 12:04:44,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 12:04:44,054 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 12:04:44,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 12:04:44,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 12:04:44,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 12:04:44,057 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 12:04:44,057 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 12:04:44,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 12:04:44,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 12:04:44,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 12:04:44,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 12:04:44,329 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 12:04:44,331 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 12:04:44,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl [2024-05-04 12:04:44,332 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons3.wvr.bpl' [2024-05-04 12:04:44,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 12:04:44,353 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 12:04:44,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 12:04:44,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 12:04:44,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 12:04:44,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,409 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 12:04:44,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 12:04:44,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 12:04:44,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 12:04:44,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 12:04:44,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,420 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,431 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 12:04:44,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 12:04:44,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 12:04:44,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 12:04:44,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/1) ... [2024-05-04 12:04:44,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 12:04:44,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:44,476 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) [2024-05-04 12:04:44,490 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 [2024-05-04 12:04:44,518 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 12:04:44,518 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 12:04:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 12:04:44,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 12:04:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 12:04:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 12:04:44,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 12:04:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 12:04:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 12:04:44,519 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-04 12:04:44,519 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 12:04:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 12:04:44,520 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-05-04 12:04:44,520 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-04 12:04:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-04 12:04:44,520 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 12:04:44,569 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 12:04:44,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 12:04:44,692 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 12:04:44,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 12:04:44,716 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 12:04:44,717 INFO L201 PluginConnector]: Adding new model prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:04:44 BoogieIcfgContainer [2024-05-04 12:04:44,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 12:04:44,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 12:04:44,720 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 12:04:44,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 12:04:44,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 12:04:44" (1/2) ... [2024-05-04 12:04:44,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c2b72b4 and model type prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 12:04:44, skipping insertion in model container [2024-05-04 12:04:44,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 12:04:44" (2/2) ... [2024-05-04 12:04:44,725 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons3.wvr.bpl [2024-05-04 12:04:44,734 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 12:04:44,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 12:04:44,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 12:04:44,742 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 12:04:44,802 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-04 12:04:44,840 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 12:04:44,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 12:04:44,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:44,842 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) [2024-05-04 12:04:44,849 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 [2024-05-04 12:04:44,876 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 12:04:44,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:44,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 12:04:44,902 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;@14f4e2a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-04 12:04:44,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-04 12:04:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 1 times [2024-05-04 12:04:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:45,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:45,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:45,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:45,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:45,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:45,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 12:04:45,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 12:04:45,403 INFO L85 PathProgramCache]: Analyzing trace with hash 971526535, now seen corresponding path program 2 times [2024-05-04 12:04:45,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:45,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:45,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 12:04:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-05-04 12:04:45,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:45,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1357080485, now seen corresponding path program 1 times [2024-05-04 12:04:45,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:45,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715864351] [2024-05-04 12:04:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:45,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:45,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:45,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:45,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715864351] [2024-05-04 12:04:45,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715864351] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 12:04:45,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 12:04:45,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 12:04:45,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254852905] [2024-05-04 12:04:45,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 12:04:45,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 12:04:45,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:45,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 12:04:45,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 12:04:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:45,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:45,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 12:04:45,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:45,963 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 8 treesize of output 6 [2024-05-04 12:04:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1340523451, now seen corresponding path program 1 times [2024-05-04 12:04:46,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:46,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 12:04:46,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-04 12:04:46,276 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 6 treesize of output 4 [2024-05-04 12:04:46,312 INFO L85 PathProgramCache]: Analyzing trace with hash 275306246, now seen corresponding path program 1 times [2024-05-04 12:04:46,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 12:04:46,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,457 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-05-04 12:04:46,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 12:04:46,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-05-04 12:04:46,582 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 8 treesize of output 6 [2024-05-04 12:04:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1989003458, now seen corresponding path program 1 times [2024-05-04 12:04:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:46,829 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 8 treesize of output 6 [2024-05-04 12:04:46,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1085567557, now seen corresponding path program 1 times [2024-05-04 12:04:46,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 12:04:46,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:46,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 12:04:46,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 12:04:46,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-05-04 12:04:47,137 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 8 treesize of output 6 [2024-05-04 12:04:47,205 INFO L85 PathProgramCache]: Analyzing trace with hash 258788709, now seen corresponding path program 2 times [2024-05-04 12:04:47,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-04 12:04:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,282 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-04 12:04:47,360 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 8 treesize of output 6 [2024-05-04 12:04:47,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1864794279, now seen corresponding path program 1 times [2024-05-04 12:04:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 12:04:47,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 12:04:47,608 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 8 treesize of output 6 [2024-05-04 12:04:47,654 INFO L85 PathProgramCache]: Analyzing trace with hash -281533154, now seen corresponding path program 2 times [2024-05-04 12:04:47,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 12:04:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 12:04:47,803 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 8 treesize of output 6 [2024-05-04 12:04:47,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1977878867, now seen corresponding path program 3 times [2024-05-04 12:04:47,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-04 12:04:47,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-04 12:04:47,972 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 8 treesize of output 6 [2024-05-04 12:04:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash -395691910, now seen corresponding path program 4 times [2024-05-04 12:04:48,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:48,052 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:48,171 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 6 treesize of output 4 [2024-05-04 12:04:48,223 INFO L85 PathProgramCache]: Analyzing trace with hash -102351431, now seen corresponding path program 2 times [2024-05-04 12:04:48,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 12:04:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,457 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 6 treesize of output 4 [2024-05-04 12:04:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash 174315660, now seen corresponding path program 3 times [2024-05-04 12:04:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 12:04:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,562 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 6 treesize of output 4 [2024-05-04 12:04:48,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1814458044, now seen corresponding path program 4 times [2024-05-04 12:04:48,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-04 12:04:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:48,774 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-04 12:04:48,853 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 6 treesize of output 4 [2024-05-04 12:04:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 106311023, now seen corresponding path program 5 times [2024-05-04 12:04:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:48,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 12:04:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:48,982 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 6 treesize of output 4 [2024-05-04 12:04:49,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1980708206, now seen corresponding path program 6 times [2024-05-04 12:04:49,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-04 12:04:49,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-04 12:04:49,207 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 6 treesize of output 4 [2024-05-04 12:04:49,243 INFO L85 PathProgramCache]: Analyzing trace with hash -284078145, now seen corresponding path program 1 times [2024-05-04 12:04:49,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 12:04:49,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 12:04:49,410 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 6 treesize of output 4 [2024-05-04 12:04:49,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1844201099, now seen corresponding path program 2 times [2024-05-04 12:04:49,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:49,434 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 12:04:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 12:04:49,542 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 6 treesize of output 4 [2024-05-04 12:04:49,574 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 6 treesize of output 4 [2024-05-04 12:04:49,598 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 6 treesize of output 4 [2024-05-04 12:04:49,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1306201855, now seen corresponding path program 3 times [2024-05-04 12:04:49,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:49,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:49,751 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 6 treesize of output 4 [2024-05-04 12:04:49,777 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 6 treesize of output 4 [2024-05-04 12:04:49,792 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 6 treesize of output 4 [2024-05-04 12:04:49,816 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 6 treesize of output 4 [2024-05-04 12:04:49,829 INFO L85 PathProgramCache]: Analyzing trace with hash 515912589, now seen corresponding path program 4 times [2024-05-04 12:04:49,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 12:04:49,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:49,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-04 12:04:49,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 12:04:49,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2024-05-04 12:04:50,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:50,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable32,SelfDestructingSolverStorable11,SelfDestructingSolverStorable33,SelfDestructingSolverStorable12,SelfDestructingSolverStorable34,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable35,SelfDestructingSolverStorable14,SelfDestructingSolverStorable36,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17,SelfDestructingSolverStorable20,SelfDestructingSolverStorable29,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-04 12:04:50,333 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:50,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:50,334 INFO L85 PathProgramCache]: Analyzing trace with hash 916303819, now seen corresponding path program 1 times [2024-05-04 12:04:50,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:50,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124591470] [2024-05-04 12:04:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:50,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:50,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:50,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:50,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124591470] [2024-05-04 12:04:50,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124591470] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 12:04:50,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 12:04:50,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-04 12:04:50,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169246888] [2024-05-04 12:04:50,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 12:04:50,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 12:04:50,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:50,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 12:04:50,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 12:04:50,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:50,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:50,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-05-04 12:04:50,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:50,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:50,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:50,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:50,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-05-04 12:04:50,889 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:50,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:50,889 INFO L85 PathProgramCache]: Analyzing trace with hash 4235235, now seen corresponding path program 1 times [2024-05-04 12:04:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:50,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822628792] [2024-05-04 12:04:50,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:50,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:51,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822628792] [2024-05-04 12:04:51,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822628792] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:04:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846950412] [2024-05-04 12:04:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:51,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:04:51,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:51,058 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) [2024-05-04 12:04:51,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 12:04:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:51,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-04 12:04:51,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:04:51,255 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 11 treesize of output 7 [2024-05-04 12:04:51,320 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 11 treesize of output 7 [2024-05-04 12:04:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:51,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 12:04:51,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:51,426 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 19 treesize of output 23 [2024-05-04 12:04:51,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:51,481 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 20 treesize of output 24 [2024-05-04 12:04:51,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846950412] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 12:04:51,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 12:04:51,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 29 [2024-05-04 12:04:51,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944014504] [2024-05-04 12:04:51,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 12:04:51,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-04 12:04:51,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-04 12:04:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2024-05-04 12:04:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:51,626 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:51,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 12:04:51,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:51,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:51,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:53,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-04 12:04:53,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-05-04 12:04:53,289 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:53,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash -910276698, now seen corresponding path program 2 times [2024-05-04 12:04:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:53,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653736450] [2024-05-04 12:04:53,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:53,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:53,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:53,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653736450] [2024-05-04 12:04:53,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653736450] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:04:53,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315976912] [2024-05-04 12:04:53,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 12:04:53,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:04:53,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:53,313 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) [2024-05-04 12:04:53,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 12:04:53,370 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 12:04:53,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 12:04:53,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-04 12:04:53,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:04:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 12:04:53,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 12:04:53,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315976912] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 12:04:53,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 12:04:53,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-05-04 12:04:53,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254058947] [2024-05-04 12:04:53,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 12:04:53,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 12:04:53,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:53,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 12:04:53,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-04 12:04:53,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:53,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:53,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-05-04 12:04:53,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:53,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:53,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:53,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:53,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:53,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-04 12:04:53,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-05-04 12:04:53,963 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:53,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:53,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1503257789, now seen corresponding path program 3 times [2024-05-04 12:04:53,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:53,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340888692] [2024-05-04 12:04:53,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:53,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340888692] [2024-05-04 12:04:53,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340888692] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:04:53,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988483685] [2024-05-04 12:04:53,985 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 12:04:53,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:04:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:53,986 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) [2024-05-04 12:04:54,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 12:04:54,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-04 12:04:54,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 12:04:54,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-04 12:04:54,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:04:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:54,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 12:04:54,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988483685] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 12:04:54,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 12:04:54,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-05-04 12:04:54,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267754847] [2024-05-04 12:04:54,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 12:04:54,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 12:04:54,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:54,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 12:04:54,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-04 12:04:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:54,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:54,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 12:04:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:54,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:54,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 12:04:54,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:04:54,764 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:04:54,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:04:54,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1899569813, now seen corresponding path program 4 times [2024-05-04 12:04:54,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:04:54,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970138538] [2024-05-04 12:04:54,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:04:54,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:04:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:04:55,090 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 12:04:55,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:04:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970138538] [2024-05-04 12:04:55,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970138538] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:04:55,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047960108] [2024-05-04 12:04:55,090 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 12:04:55,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:04:55,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:04:55,091 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) [2024-05-04 12:04:55,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 12:04:55,126 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 12:04:55,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 12:04:55,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-04 12:04:55,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:04:55,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:55,590 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 31 treesize of output 19 [2024-05-04 12:04:55,690 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:55,691 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 25 treesize of output 13 [2024-05-04 12:04:55,765 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:55,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 12:04:56,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:56,081 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 35 treesize of output 59 [2024-05-04 12:04:56,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:04:56,322 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 32 treesize of output 56 [2024-05-04 12:04:56,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:04:56,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047960108] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 12:04:56,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 12:04:56,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 48 [2024-05-04 12:04:56,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893777720] [2024-05-04 12:04:56,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 12:04:56,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-04 12:04:56,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:04:56,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-04 12:04:56,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=1983, Unknown=0, NotChecked=0, Total=2256 [2024-05-04 12:04:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:04:56,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:04:56,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.0625) internal successors, (99), 48 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:04:56,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:05:14,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:05:14,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:05:14,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-04 12:05:14,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:05:14,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:05:14,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-05-04 12:05:14,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-04 12:05:14,454 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,SelfDestructingSolverStorable41 [2024-05-04 12:05:14,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:05:14,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:05:14,455 INFO L85 PathProgramCache]: Analyzing trace with hash 618220139, now seen corresponding path program 5 times [2024-05-04 12:05:14,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:05:14,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923292123] [2024-05-04 12:05:14,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:05:14,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:05:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:05:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 117 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-04 12:05:15,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:05:15,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923292123] [2024-05-04 12:05:15,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923292123] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:05:15,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682662343] [2024-05-04 12:05:15,652 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 12:05:15,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:05:15,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:05:15,654 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) [2024-05-04 12:05:15,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 12:05:15,722 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-05-04 12:05:15,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 12:05:15,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-04 12:05:15,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:05:17,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:05:17,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 89 treesize of output 53 [2024-05-04 12:05:18,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:05:18,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2024-05-04 12:05:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 5 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:05:18,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 12:05:20,697 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,700 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,701 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,702 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,703 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,703 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,704 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:20,751 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:05:20,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 193 [2024-05-04 12:05:21,813 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,813 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,814 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,819 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,819 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,832 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,834 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,836 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:05:21,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:05:21,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 68 treesize of output 172 [2024-05-04 12:05:22,621 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:05:22,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682662343] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 12:05:22,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 12:05:22,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 38, 38] total 97 [2024-05-04 12:05:22,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877667621] [2024-05-04 12:05:22,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 12:05:22,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-04 12:05:22,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:05:22,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-04 12:05:22,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=8346, Unknown=0, NotChecked=0, Total=9312 [2024-05-04 12:05:22,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:05:22,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:05:22,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.0927835051546393) internal successors, (203), 97 states have internal predecessors, (203), 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) [2024-05-04 12:05:22,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:05:22,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:05:22,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-04 12:05:22,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:05:22,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:05:22,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-05-04 12:05:22,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:07:39,055 INFO L85 PathProgramCache]: Analyzing trace with hash -797984577, now seen corresponding path program 1 times [2024-05-04 12:07:39,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:07:39,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:07:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:07:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 22 proven. 78 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-04 12:07:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:07:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:07:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:07:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 22 proven. 78 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-05-04 12:07:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2024-05-04 12:07:39,378 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 12:07:39,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44 [2024-05-04 12:07:39,554 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:07:39,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:07:39,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1001592993, now seen corresponding path program 6 times [2024-05-04 12:07:39,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:07:39,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836068647] [2024-05-04 12:07:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:07:39,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:07:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:07:41,280 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 7 proven. 166 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-05-04 12:07:41,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:07:41,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836068647] [2024-05-04 12:07:41,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836068647] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:07:41,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031384688] [2024-05-04 12:07:41,280 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 12:07:41,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:07:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:07:41,282 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) [2024-05-04 12:07:41,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 12:07:41,357 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-05-04 12:07:41,357 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 12:07:41,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 108 conjunts are in the unsatisfiable core [2024-05-04 12:07:41,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:07:44,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:07:44,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 103 treesize of output 59 [2024-05-04 12:07:45,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:07:45,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 33 [2024-05-04 12:07:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:07:45,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 12:07:49,822 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,824 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,825 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,827 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,827 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,827 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,828 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,830 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,834 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,835 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,836 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,837 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,838 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,842 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,847 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 12:07:49,963 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:07:49,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 127 treesize of output 341 [2024-05-04 12:07:53,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:07:53,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 94 treesize of output 518 [2024-05-04 12:08:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:08:03,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031384688] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 12:08:03,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 12:08:03,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 49, 49] total 124 [2024-05-04 12:08:03,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812187124] [2024-05-04 12:08:03,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 12:08:03,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-05-04 12:08:03,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 12:08:03,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-05-04 12:08:03,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2046, Invalid=13206, Unknown=0, NotChecked=0, Total=15252 [2024-05-04 12:08:03,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:08:03,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 12:08:03,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 1.8870967741935485) internal successors, (234), 124 states have internal predecessors, (234), 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) [2024-05-04 12:08:03,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 629 states. [2024-05-04 12:08:03,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 12:13:03,350 INFO L85 PathProgramCache]: Analyzing trace with hash 2089589905, now seen corresponding path program 2 times [2024-05-04 12:13:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:13:03,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:13:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:13:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 37 proven. 115 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-05-04 12:13:03,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:13:03,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:13:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:13:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 37 proven. 115 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-05-04 12:13:03,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 629 states. [2024-05-04 12:13:03,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 679 states. [2024-05-04 12:13:03,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 12:13:03,902 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,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46,SelfDestructingSolverStorable47 [2024-05-04 12:13:03,902 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-04 12:13:03,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 12:13:03,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1377364037, now seen corresponding path program 7 times [2024-05-04 12:13:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 12:13:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495859811] [2024-05-04 12:13:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 12:13:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 12:13:03,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:13:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 10 proven. 297 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-04 12:13:06,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 12:13:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495859811] [2024-05-04 12:13:06,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495859811] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 12:13:06,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194906882] [2024-05-04 12:13:06,143 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 12:13:06,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:13:06,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 12:13:06,145 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) [2024-05-04 12:13:06,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 12:13:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 12:13:06,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 127 conjunts are in the unsatisfiable core [2024-05-04 12:13:06,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 12:13:12,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:13:12,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 169 treesize of output 101 [2024-05-04 12:13:13,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:13:13,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2024-05-04 12:13:13,548 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 9 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 12:13:13,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 12:13:22,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:13:22,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 161 treesize of output 885 [2024-05-04 12:15:54,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 12:15:54,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 116 treesize of output 840 [2024-05-04 12:18:13,977 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") [2024-05-04 12:18:13,978 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-04 12:18:13,979 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 [2024-05-04 12:18:13,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-04 12:18:14,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 12:18:14,180 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 [2024-05-04 12:18:14,184 INFO L158 Benchmark]: Toolchain (without parser) took 809832.38ms. Allocated memory was 285.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 253.8MB in the beginning and 986.1MB in the end (delta: -732.3MB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-04 12:18:14,184 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 285.2MB. Free memory is still 255.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 12:18:14,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.83ms. Allocated memory is still 285.2MB. Free memory was 253.8MB in the beginning and 256.8MB in the end (delta: -3.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 12:18:14,185 INFO L158 Benchmark]: Boogie Preprocessor took 23.83ms. Allocated memory is still 285.2MB. Free memory was 256.8MB in the beginning and 255.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 12:18:14,185 INFO L158 Benchmark]: RCFGBuilder took 280.62ms. Allocated memory is still 285.2MB. Free memory was 255.7MB in the beginning and 243.9MB in the end (delta: 11.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-05-04 12:18:14,185 INFO L158 Benchmark]: TraceAbstraction took 809464.64ms. Allocated memory was 285.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 242.6MB in the beginning and 986.1MB in the end (delta: -743.5MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-04 12:18:14,186 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 0.10ms. Allocated memory is still 285.2MB. Free memory is still 255.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.83ms. Allocated memory is still 285.2MB. Free memory was 253.8MB in the beginning and 256.8MB in the end (delta: -3.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.83ms. Allocated memory is still 285.2MB. Free memory was 256.8MB in the beginning and 255.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 280.62ms. Allocated memory is still 285.2MB. Free memory was 255.7MB in the beginning and 243.9MB in the end (delta: 11.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 809464.64ms. Allocated memory was 285.2MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 242.6MB in the beginning and 986.1MB in the end (delta: -743.5MB). Peak memory consumption was 1.4GB. 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. [2024-05-04 12:18:14,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...