/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 17:12:11,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 17:12:11,532 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 17:12:11,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 17:12:11,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 17:12:11,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 17:12:11,560 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 17:12:11,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 17:12:11,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 17:12:11,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 17:12:11,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 17:12:11,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 17:12:11,564 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 17:12:11,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 17:12:11,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 17:12:11,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 17:12:11,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 17:12:11,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 17:12:11,567 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 17:12:11,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 17:12:11,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 17:12:11,568 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 17:12:11,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 17:12:11,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 17:12:11,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 17:12:11,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 17:12:11,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 17:12:11,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 17:12:11,570 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 17:12:11,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 17:12:11,571 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 17:12:11,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 17:12:11,571 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 17:12:11,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-06 17:12:11,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 17:12:11,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 17:12:11,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 17:12:11,860 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 17:12:11,861 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 17:12:11,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2024-04-06 17:12:11,862 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2024-04-06 17:12:11,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 17:12:11,891 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 17:12:11,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 17:12:11,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 17:12:11,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 17:12:11,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,910 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 17:12:11,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 17:12:11,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 17:12:11,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 17:12:11,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 17:12:11,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,919 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 17:12:11,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 17:12:11,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 17:12:11,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 17:12:11,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/1) ... [2024-04-06 17:12:11,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 17:12:11,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:11,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 17:12:11,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 17:12:11,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 17:12:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 17:12:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 17:12:11,994 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 17:12:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 17:12:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 17:12:11,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 17:12:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 17:12:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 17:12:11,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 17:12:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 17:12:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 17:12:11,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-04-06 17:12:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-06 17:12:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-06 17:12:11,996 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 17:12:12,033 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 17:12:12,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 17:12:12,137 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 17:12:12,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 17:12:12,156 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 17:12:12,157 INFO L201 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 05:12:12 BoogieIcfgContainer [2024-04-06 17:12:12,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 17:12:12,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 17:12:12,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 17:12:12,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 17:12:12,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 05:12:11" (1/2) ... [2024-04-06 17:12:12,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f918c and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 05:12:12, skipping insertion in model container [2024-04-06 17:12:12,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 05:12:12" (2/2) ... [2024-04-06 17:12:12,163 INFO L112 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2024-04-06 17:12:12,168 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 17:12:12,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 17:12:12,175 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 17:12:12,175 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 17:12:12,208 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-06 17:12:12,235 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 17:12:12,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 17:12:12,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:12,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 17:12:12,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 17:12:12,268 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 17:12:12,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:12,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 17:12:12,283 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;@6d115faa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-06 17:12:12,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-06 17:12:12,311 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)] === [2024-04-06 17:12:12,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1461778335, now seen corresponding path program 1 times [2024-04-06 17:12:12,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:12,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951643318] [2024-04-06 17:12:12,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:12,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:12,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951643318] [2024-04-06 17:12:12,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951643318] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:12,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:12,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 17:12:12,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832279430] [2024-04-06 17:12:12,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:12,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 17:12:12,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 17:12:12,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 17:12:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:12,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:12,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:12,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 17:12:12,537 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)] === [2024-04-06 17:12:12,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:12,537 INFO L85 PathProgramCache]: Analyzing trace with hash 588839871, now seen corresponding path program 1 times [2024-04-06 17:12:12,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:12,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126913624] [2024-04-06 17:12:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:12,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:12,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:12,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126913624] [2024-04-06 17:12:12,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126913624] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:12,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:12,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831063290] [2024-04-06 17:12:12,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:12,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:12,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:12,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:12,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,622 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:12,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:12,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:12,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:12,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:12,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 17:12:12,698 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)] === [2024-04-06 17:12:12,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:12,699 INFO L85 PathProgramCache]: Analyzing trace with hash 640941063, now seen corresponding path program 1 times [2024-04-06 17:12:12,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:12,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432441603] [2024-04-06 17:12:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:12,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:12,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:12,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432441603] [2024-04-06 17:12:12,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432441603] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:12,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:12,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:12,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888098177] [2024-04-06 17:12:12,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:12,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:12,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,785 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:12,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:12,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:12,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:12,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:12,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:12,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 17:12:12,960 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)] === [2024-04-06 17:12:12,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:12,960 INFO L85 PathProgramCache]: Analyzing trace with hash -2028238414, now seen corresponding path program 1 times [2024-04-06 17:12:12,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:12,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007222066] [2024-04-06 17:12:12,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:12,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:13,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007222066] [2024-04-06 17:12:13,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007222066] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:13,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:13,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:13,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20644326] [2024-04-06 17:12:13,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:13,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:13,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:13,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:13,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:13,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2024-04-06 17:12:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 17:12:13,202 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)] === [2024-04-06 17:12:13,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:13,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1005018021, now seen corresponding path program 1 times [2024-04-06 17:12:13,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:13,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126795632] [2024-04-06 17:12:13,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:13,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:13,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126795632] [2024-04-06 17:12:13,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126795632] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:13,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:13,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:13,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681499017] [2024-04-06 17:12:13,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:13,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:13,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:13,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:13,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:13,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:13,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 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) [2024-04-06 17:12:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 17:12:13,402 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)] === [2024-04-06 17:12:13,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:13,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1654767272, now seen corresponding path program 1 times [2024-04-06 17:12:13,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:13,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894425204] [2024-04-06 17:12:13,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:13,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:13,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894425204] [2024-04-06 17:12:13,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894425204] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:13,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:13,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:13,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474231772] [2024-04-06 17:12:13,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:13,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:13,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:13,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:13,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:13,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:13,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) 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) [2024-04-06 17:12:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 17:12:13,568 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)] === [2024-04-06 17:12:13,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1361035028, now seen corresponding path program 1 times [2024-04-06 17:12:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:13,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045263706] [2024-04-06 17:12:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:13,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:13,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045263706] [2024-04-06 17:12:13,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045263706] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:13,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 17:12:13,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 17:12:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494158348] [2024-04-06 17:12:13,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:13,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:13,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 17:12:13,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:13,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) 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) [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:13,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-04-06 17:12:13,662 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)] === [2024-04-06 17:12:13,663 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:13,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205110, now seen corresponding path program 1 times [2024-04-06 17:12:13,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:13,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313941922] [2024-04-06 17:12:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:13,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:13,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313941922] [2024-04-06 17:12:13,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313941922] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:13,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604234427] [2024-04-06 17:12:13,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:13,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:13,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:13,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:13,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 17:12:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:13,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-06 17:12:13,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:13,986 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 17 treesize of output 13 [2024-04-06 17:12:14,008 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 15 treesize of output 11 [2024-04-06 17:12:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:14,029 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:14,062 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:14,063 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 21 treesize of output 25 [2024-04-06 17:12:14,105 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:14,105 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 22 treesize of output 26 [2024-04-06 17:12:14,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:14,113 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 22 treesize of output 26 [2024-04-06 17:12:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:14,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604234427] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:14,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:14,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-04-06 17:12:14,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822696150] [2024-04-06 17:12:14,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:14,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-06 17:12:14,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-06 17:12:14,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-04-06 17:12:14,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:14,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:14,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:14,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-06 17:12:14,512 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,SelfDestructingSolverStorable7 [2024-04-06 17:12:14,512 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)] === [2024-04-06 17:12:14,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:14,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1241886440, now seen corresponding path program 2 times [2024-04-06 17:12:14,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:14,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959962617] [2024-04-06 17:12:14,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:14,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:14,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:14,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959962617] [2024-04-06 17:12:14,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959962617] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:14,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963655606] [2024-04-06 17:12:14,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 17:12:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:14,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:14,559 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:14,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 17:12:14,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 17:12:14,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:14,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 17:12:14,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:14,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 17:12:14,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963655606] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:14,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 17:12:14,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-04-06 17:12:14,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618133440] [2024-04-06 17:12:14,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:14,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:14,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:14,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-04-06 17:12:14,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:14,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:14,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:14,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:14,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:14,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:14,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:14,864 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:14,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1293987632, now seen corresponding path program 3 times [2024-04-06 17:12:14,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:14,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065921670] [2024-04-06 17:12:14,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:14,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:14,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:14,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065921670] [2024-04-06 17:12:14,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065921670] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:14,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590951394] [2024-04-06 17:12:14,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 17:12:14,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:14,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:14,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:14,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 17:12:14,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-06 17:12:14,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:14,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 17:12:14,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:14,969 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 17:12:14,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590951394] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:14,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 17:12:14,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-04-06 17:12:14,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475526049] [2024-04-06 17:12:14,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:14,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:14,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:15,021 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 [2024-04-06 17:12:15,054 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 [2024-04-06 17:12:15,061 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 1 times [2024-04-06 17:12:15,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:15,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:15,134 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 1 times [2024-04-06 17:12:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:15,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:15,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:15,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:15,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-06 17:12:15,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-04-06 17:12:15,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:15,202 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:15,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:15,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,203 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:15,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:15,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:15,456 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:15,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:15,457 INFO L85 PathProgramCache]: Analyzing trace with hash 975215081, now seen corresponding path program 4 times [2024-04-06 17:12:15,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:15,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653754898] [2024-04-06 17:12:15,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:15,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:15,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:15,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653754898] [2024-04-06 17:12:15,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653754898] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:15,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699385821] [2024-04-06 17:12:15,489 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 17:12:15,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:15,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:15,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:15,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 17:12:15,534 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 17:12:15,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:15,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-06 17:12:15,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:15,597 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:15,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:15,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699385821] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:15,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:15,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2024-04-06 17:12:15,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264859814] [2024-04-06 17:12:15,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:15,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-06 17:12:15,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:15,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-06 17:12:15,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-04-06 17:12:15,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:15,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:15,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:15,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-06 17:12:15,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 17:12:16,003 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,SelfDestructingSolverStorable13 [2024-04-06 17:12:16,004 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:16,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:16,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1998435474, now seen corresponding path program 5 times [2024-04-06 17:12:16,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:16,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084208134] [2024-04-06 17:12:16,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:16,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:16,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084208134] [2024-04-06 17:12:16,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084208134] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:16,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [68540830] [2024-04-06 17:12:16,044 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 17:12:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:16,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:16,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 17:12:16,078 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-04-06 17:12:16,079 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:16,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-06 17:12:16,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 17:12:16,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:16,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [68540830] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:16,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:16,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2024-04-06 17:12:16,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570585481] [2024-04-06 17:12:16,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:16,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-06 17:12:16,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:16,248 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 1 times [2024-04-06 17:12:16,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:16,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-06 17:12:16,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-04-06 17:12:16,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:16,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:16,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-06 17:12:16,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:16,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:16,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-04-06 17:12:16,673 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:16,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:16,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1763324245, now seen corresponding path program 6 times [2024-04-06 17:12:16,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:16,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254682298] [2024-04-06 17:12:16,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:16,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:16,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-06 17:12:16,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:16,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254682298] [2024-04-06 17:12:16,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254682298] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:16,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977553007] [2024-04-06 17:12:16,706 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 17:12:16,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:16,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:16,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:16,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 17:12:16,760 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-04-06 17:12:16,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:16,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-06 17:12:16,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-06 17:12:16,785 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 17:12:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977553007] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 17:12:16,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 17:12:16,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-06 17:12:16,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195136110] [2024-04-06 17:12:16,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 17:12:16,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 17:12:16,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:16,833 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 [2024-04-06 17:12:16,862 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 [2024-04-06 17:12:16,870 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 2 times [2024-04-06 17:12:16,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:16,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,921 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 [2024-04-06 17:12:16,955 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 [2024-04-06 17:12:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash -423939046, now seen corresponding path program 2 times [2024-04-06 17:12:16,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:16,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:16,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 17:12:16,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-06 17:12:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:16,973 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:16,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:16,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:17,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-06 17:12:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-06 17:12:17,215 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:17,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:17,215 INFO L85 PathProgramCache]: Analyzing trace with hash -973083661, now seen corresponding path program 7 times [2024-04-06 17:12:17,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:17,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444408810] [2024-04-06 17:12:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:17,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:17,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:17,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444408810] [2024-04-06 17:12:17,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444408810] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:17,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476609405] [2024-04-06 17:12:17,731 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 17:12:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:17,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:17,746 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:17,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 17:12:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:17,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 43 conjunts are in the unsatisfiable core [2024-04-06 17:12:17,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:18,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-04-06 17:12:18,225 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:18,226 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 39 treesize of output 27 [2024-04-06 17:12:18,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:18,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:18,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:18,470 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 45 treesize of output 69 [2024-04-06 17:12:18,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:18,592 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 45 treesize of output 69 [2024-04-06 17:12:18,612 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:18,612 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 67 treesize of output 85 [2024-04-06 17:12:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476609405] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:18,816 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:18,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 34 [2024-04-06 17:12:18,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427321972] [2024-04-06 17:12:18,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:18,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-06 17:12:18,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-06 17:12:18,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1006, Unknown=0, NotChecked=0, Total=1190 [2024-04-06 17:12:18,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:18,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:18,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4285714285714284) internal successors, (85), 34 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:18,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-06 17:12:21,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:21,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:21,263 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:21,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:21,263 INFO L85 PathProgramCache]: Analyzing trace with hash -468888955, now seen corresponding path program 8 times [2024-04-06 17:12:21,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:21,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464560549] [2024-04-06 17:12:21,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:21,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 17:12:22,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:22,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464560549] [2024-04-06 17:12:22,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464560549] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:22,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386155455] [2024-04-06 17:12:22,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 17:12:22,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:22,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:22,624 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:22,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 17:12:22,704 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 17:12:22,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:22,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjunts are in the unsatisfiable core [2024-04-06 17:12:22,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:24,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2024-04-06 17:12:24,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:24,314 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 85 treesize of output 57 [2024-04-06 17:12:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:24,355 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:25,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:25,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 217 [2024-04-06 17:12:26,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:26,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 213 [2024-04-06 17:12:26,655 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 17:12:26,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 239 treesize of output 321 [2024-04-06 17:12:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:36,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386155455] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:36,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:36,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 68 [2024-04-06 17:12:36,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627122065] [2024-04-06 17:12:36,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:36,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-04-06 17:12:36,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:36,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-04-06 17:12:36,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=4196, Unknown=0, NotChecked=0, Total=4692 [2024-04-06 17:12:36,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:36,979 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:36,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.0869565217391304) internal successors, (144), 68 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-06 17:12:36,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:49,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-06 17:12:49,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2024-04-06 17:12:49,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:50,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:50,062 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:50,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:50,063 INFO L85 PathProgramCache]: Analyzing trace with hash -955570748, now seen corresponding path program 9 times [2024-04-06 17:12:50,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:50,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899522230] [2024-04-06 17:12:50,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 283 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-06 17:12:50,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:50,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899522230] [2024-04-06 17:12:50,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899522230] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:50,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434549812] [2024-04-06 17:12:50,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 17:12:50,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:50,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:50,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:50,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-06 17:12:50,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-06 17:12:50,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:50,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-06 17:12:50,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 283 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-06 17:12:50,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 283 proven. 1 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-06 17:12:50,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434549812] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:50,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:50,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2024-04-06 17:12:50,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210857489] [2024-04-06 17:12:50,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:50,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 17:12:50,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -275158659, now seen corresponding path program 3 times [2024-04-06 17:12:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 17:12:50,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-06 17:12:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1912126050, now seen corresponding path program 4 times [2024-04-06 17:12:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,588 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-06 17:12:50,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-04-06 17:12:50,715 INFO L85 PathProgramCache]: Analyzing trace with hash 620749968, now seen corresponding path program 5 times [2024-04-06 17:12:50,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:50,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:50,803 INFO L85 PathProgramCache]: Analyzing trace with hash 921119879, now seen corresponding path program 6 times [2024-04-06 17:12:50,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 202 proven. 4 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-04-06 17:12:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:50,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 202 proven. 4 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-04-06 17:12:50,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 17:12:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-04-06 17:12:50,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:50,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:50,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:50,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:50,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2024-04-06 17:12:50,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:51,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-04-06 17:12:51,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 17:12:51,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-06 17:12:52,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-04-06 17:12:52,057 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:52,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:52,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1934718839, now seen corresponding path program 10 times [2024-04-06 17:12:52,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:52,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631802844] [2024-04-06 17:12:52,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:52,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 76 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-06 17:12:52,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631802844] [2024-04-06 17:12:52,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631802844] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:52,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747742939] [2024-04-06 17:12:52,206 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 17:12:52,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:52,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:52,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:52,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-06 17:12:52,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 17:12:52,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:52,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-06 17:12:52,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:52,662 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:52,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 76 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-06 17:12:52,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747742939] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:52,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:52,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 21, 5] total 25 [2024-04-06 17:12:52,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521384537] [2024-04-06 17:12:52,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:52,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-06 17:12:52,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:52,941 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 [2024-04-06 17:12:52,986 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 [2024-04-06 17:12:52,997 INFO L85 PathProgramCache]: Analyzing trace with hash 53701457, now seen corresponding path program 7 times [2024-04-06 17:12:52,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,117 INFO L85 PathProgramCache]: Analyzing trace with hash 494137233, now seen corresponding path program 8 times [2024-04-06 17:12:53,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:53,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1838296413, now seen corresponding path program 9 times [2024-04-06 17:12:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,223 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,309 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 [2024-04-06 17:12:53,367 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 [2024-04-06 17:12:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1289830107, now seen corresponding path program 10 times [2024-04-06 17:12:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:53,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-06 17:12:53,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2024-04-06 17:12:53,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:53,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:53,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.423076923076923) internal successors, (141), 25 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:53,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 17:12:53,415 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:55,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 17:12:55,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-06 17:12:55,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:55,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:55,442 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:55,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:55,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1783300360, now seen corresponding path program 11 times [2024-04-06 17:12:55,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:55,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905189325] [2024-04-06 17:12:55,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:55,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:12:55,644 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-06 17:12:55,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:12:55,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905189325] [2024-04-06 17:12:55,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905189325] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:12:55,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [875001862] [2024-04-06 17:12:55,645 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 17:12:55,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:12:55,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:12:55,646 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:12:55,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-06 17:12:55,767 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-04-06 17:12:55,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:12:55,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-06 17:12:55,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 17:12:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 57 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 17:12:56,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 17:12:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-04-06 17:12:56,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [875001862] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 17:12:56,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 17:12:56,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 25, 6] total 30 [2024-04-06 17:12:56,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958230242] [2024-04-06 17:12:56,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 17:12:56,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-06 17:12:56,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 17:12:56,473 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 11 times [2024-04-06 17:12:56,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:56,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,544 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 [2024-04-06 17:12:56,571 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 [2024-04-06 17:12:56,581 INFO L85 PathProgramCache]: Analyzing trace with hash 719859885, now seen corresponding path program 12 times [2024-04-06 17:12:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,657 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 [2024-04-06 17:12:56,686 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 [2024-04-06 17:12:56,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1289830107, now seen corresponding path program 13 times [2024-04-06 17:12:56,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:56,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 17:12:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 17:12:56,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-06 17:12:56,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=910, Unknown=0, NotChecked=0, Total=1056 [2024-04-06 17:12:56,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:56,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 17:12:56,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.258064516129032) internal successors, (163), 30 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:56,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-06 17:12:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-04-06 17:12:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 17:12:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-06 17:12:56,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 17:12:59,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-06 17:12:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-04-06 17:12:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 17:12:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 17:12:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-06 17:12:59,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-06 17:12:59,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2024-04-06 17:12:59,304 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-06 17:12:59,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 17:12:59,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1306109725, now seen corresponding path program 12 times [2024-04-06 17:12:59,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 17:12:59,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907067281] [2024-04-06 17:12:59,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 17:12:59,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 17:12:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 17:13:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 24 proven. 778 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-04-06 17:13:05,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 17:13:05,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907067281] [2024-04-06 17:13:05,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907067281] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 17:13:05,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873952067] [2024-04-06 17:13:05,205 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 17:13:05,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 17:13:05,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 17:13:05,206 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 17:13:05,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-06 17:13:05,359 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-04-06 17:13:05,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 17:13:05,363 WARN L260 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 284 conjunts are in the unsatisfiable core [2024-04-06 17:13:05,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2024-04-06 17:26:44,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 17:26:44,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 17:26:44,396 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 17:26:44,875 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2024-04-06 17:26:44,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-06 17:26:45,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-04-06 17:26:45,076 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. [2024-04-06 17:26:45,077 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-06 17:26:45,077 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-06 17:26:45,077 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-06 17:26:45,078 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-06 17:26:45,081 INFO L445 BasicCegarLoop]: Path program histogram: [13, 12, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-06 17:26:45,083 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 17:26:45,083 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 17:26:45,084 INFO L201 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 05:26:45 BasicIcfg [2024-04-06 17:26:45,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 17:26:45,085 INFO L158 Benchmark]: Toolchain (without parser) took 873193.57ms. Allocated memory was 195.0MB in the beginning and 1.2GB in the end (delta: 996.1MB). Free memory was 169.9MB in the beginning and 828.2MB in the end (delta: -658.4MB). Peak memory consumption was 338.2MB. Max. memory is 8.0GB. [2024-04-06 17:26:45,085 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 17:26:45,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.17ms. Allocated memory is still 195.0MB. Free memory was 169.8MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 17:26:45,085 INFO L158 Benchmark]: Boogie Preprocessor took 12.58ms. Allocated memory is still 195.0MB. Free memory was 168.2MB in the beginning and 167.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 17:26:45,085 INFO L158 Benchmark]: RCFGBuilder took 232.37ms. Allocated memory is still 195.0MB. Free memory was 167.0MB in the beginning and 155.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-06 17:26:45,086 INFO L158 Benchmark]: TraceAbstraction took 872925.80ms. Allocated memory was 195.0MB in the beginning and 1.2GB in the end (delta: 996.1MB). Free memory was 154.3MB in the beginning and 828.2MB in the end (delta: -673.9MB). Peak memory consumption was 322.5MB. Max. memory is 8.0GB. [2024-04-06 17:26:45,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 195.0MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.17ms. Allocated memory is still 195.0MB. Free memory was 169.8MB in the beginning and 168.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.58ms. Allocated memory is still 195.0MB. Free memory was 168.2MB in the beginning and 167.1MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 232.37ms. Allocated memory is still 195.0MB. Free memory was 167.0MB in the beginning and 155.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 872925.80ms. Allocated memory was 195.0MB in the beginning and 1.2GB in the end (delta: 996.1MB). Free memory was 154.3MB in the beginning and 828.2MB in the end (delta: -673.9MB). Peak memory consumption was 322.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 64960, independent: 57066, independent conditional: 56949, independent unconditional: 117, dependent: 7894, dependent conditional: 7873, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57523, independent: 57066, independent conditional: 56949, independent unconditional: 117, dependent: 457, dependent conditional: 454, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57523, independent: 57066, independent conditional: 56949, independent unconditional: 117, dependent: 457, dependent conditional: 454, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 57523, independent: 57066, independent conditional: 56949, independent unconditional: 117, dependent: 457, dependent conditional: 454, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 8345, independent unconditional: 48721, dependent: 6204, dependent conditional: 4664, dependent unconditional: 1540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 6769, independent unconditional: 50297, dependent: 6204, dependent conditional: 3569, dependent unconditional: 2635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 6769, independent unconditional: 50297, dependent: 6204, dependent conditional: 3569, dependent unconditional: 2635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 531, independent: 335, independent conditional: 62, independent unconditional: 273, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 531, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 250, independent: 54, independent conditional: 45, independent unconditional: 9, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 250, independent: 54, independent conditional: 45, independent unconditional: 9, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 386, independent: 73, independent conditional: 59, independent unconditional: 15, dependent: 313, dependent conditional: 250, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 63270, independent: 56731, independent conditional: 6707, independent unconditional: 50024, dependent: 6008, dependent conditional: 3383, dependent unconditional: 2625, unknown: 531, unknown conditional: 248, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 531, Positive cache size: 335, Positive conditional cache size: 62, Positive unconditional cache size: 273, Negative cache size: 196, Negative conditional cache size: 186, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2671, Maximal queried relation: 18, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 8345, independent unconditional: 48721, dependent: 6204, dependent conditional: 4664, dependent unconditional: 1540, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 6769, independent unconditional: 50297, dependent: 6204, dependent conditional: 3569, dependent unconditional: 2635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 63270, independent: 57066, independent conditional: 6769, independent unconditional: 50297, dependent: 6204, dependent conditional: 3569, dependent unconditional: 2635, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 531, independent: 335, independent conditional: 62, independent unconditional: 273, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 531, independent: 281, independent conditional: 0, independent unconditional: 281, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 250, independent: 54, independent conditional: 45, independent unconditional: 9, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 250, independent: 54, independent conditional: 45, independent unconditional: 9, dependent: 196, dependent conditional: 186, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 386, independent: 73, independent conditional: 59, independent unconditional: 15, dependent: 313, dependent conditional: 250, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 63270, independent: 56731, independent conditional: 6707, independent unconditional: 50024, dependent: 6008, dependent conditional: 3383, dependent unconditional: 2625, unknown: 531, unknown conditional: 248, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 531, Positive cache size: 335, Positive conditional cache size: 62, Positive unconditional cache size: 273, Negative cache size: 196, Negative conditional cache size: 186, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2671 ], Independence queries for same thread: 7437 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 160 with TraceHistMax 14,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 116 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 54 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 872.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 21.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 421, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1427 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 2028 ConstructedInterpolants, 0 QuantifiedInterpolants, 14664 SizeOfPredicates, 43 NumberOfNonLiveVariables, 1723 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 37 InterpolantComputations, 10 PerfectInterpolantSequences, 3667/5374 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown