/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/word-trans.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 15:05:14,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 15:05:14,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 15:05:14,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 15:05:14,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 15:05:14,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 15:05:14,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 15:05:14,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 15:05:14,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 15:05:14,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 15:05:14,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 15:05:14,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 15:05:14,752 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 15:05:14,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 15:05:14,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 15:05:14,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 15:05:14,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 15:05:14,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 15:05:14,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 15:05:14,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 15:05:14,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 15:05:14,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 15:05:14,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 15:05:14,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 15:05:14,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 15:05:14,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 15:05:14,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 15:05:14,759 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 15:05:14,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 15:05:14,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 15:05:14,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 15:05:14,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 15:05:14,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 15:05:14,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 15:05:14,760 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 15:05:14,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 15:05:14,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 15:05:14,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 15:05:14,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 15:05:14,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 15:05:14,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 15:05:14,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 15:05:14,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 15:05:14,998 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 15:05:15,000 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 15:05:15,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/word-trans.wvr.bpl [2024-05-04 15:05:15,002 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/word-trans.wvr.bpl' [2024-05-04 15:05:15,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 15:05:15,025 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 15:05:15,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 15:05:15,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 15:05:15,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 15:05:15,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,068 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 15:05:15,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 15:05:15,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 15:05:15,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 15:05:15,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 15:05:15,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 15:05:15,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 15:05:15,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 15:05:15,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 15:05:15,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/1) ... [2024-05-04 15:05:15,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 15:05:15,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:15,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 15:05:15,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 15:05:15,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 15:05:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 15:05:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 15:05:15,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 15:05:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 15:05:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 15:05:15,190 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 15:05:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 15:05:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 15:05:15,191 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-04 15:05:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 15:05:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 15:05:15,191 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 15:05:15,238 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 15:05:15,240 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 15:05:15,388 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 15:05:15,437 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 15:05:15,437 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-04 15:05:15,439 INFO L201 PluginConnector]: Adding new model word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:05:15 BoogieIcfgContainer [2024-05-04 15:05:15,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 15:05:15,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 15:05:15,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 15:05:15,448 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 15:05:15,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 03:05:15" (1/2) ... [2024-05-04 15:05:15,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b570b5 and model type word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 03:05:15, skipping insertion in model container [2024-05-04 15:05:15,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 03:05:15" (2/2) ... [2024-05-04 15:05:15,450 INFO L112 eAbstractionObserver]: Analyzing ICFG word-trans.wvr.bpl [2024-05-04 15:05:15,472 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 15:05:15,479 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 15:05:15,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 15:05:15,479 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 15:05:15,529 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 15:05:15,560 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 15:05:15,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 15:05:15,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:15,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 15:05:15,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 15:05:15,597 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 15:05:15,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:15,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 15:05:15,614 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;@2c860416, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 15:05:15,615 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 15:05:15,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:15,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:15,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1303980192, now seen corresponding path program 1 times [2024-05-04 15:05:15,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:15,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137976744] [2024-05-04 15:05:15,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:15,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:15,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:15,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137976744] [2024-05-04 15:05:15,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137976744] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:15,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:05:15,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-04 15:05:15,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737975167] [2024-05-04 15:05:15,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:15,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 15:05:15,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:15,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 15:05:15,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-04 15:05:15,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:15,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:15,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:15,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:15,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:15,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 15:05:15,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:15,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash 607787069, now seen corresponding path program 1 times [2024-05-04 15:05:15,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:15,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958282110] [2024-05-04 15:05:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:16,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:16,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:16,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958282110] [2024-05-04 15:05:16,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958282110] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:16,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:05:16,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-04 15:05:16,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226045998] [2024-05-04 15:05:16,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:16,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 15:05:16,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:16,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 15:05:16,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 15:05:16,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:16,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 15:05:16,210 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:16,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:16,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2119010188, now seen corresponding path program 1 times [2024-05-04 15:05:16,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:16,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992778389] [2024-05-04 15:05:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:16,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:16,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992778389] [2024-05-04 15:05:16,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992778389] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:16,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:05:16,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-04 15:05:16,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686901132] [2024-05-04 15:05:16,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:16,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 15:05:16,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:16,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 15:05:16,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-04 15:05:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,333 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:16,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:16,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-04 15:05:16,467 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:16,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1591385401, now seen corresponding path program 1 times [2024-05-04 15:05:16,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:16,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016163030] [2024-05-04 15:05:16,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:16,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:16,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:16,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016163030] [2024-05-04 15:05:16,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016163030] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:16,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:05:16,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-04 15:05:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985413870] [2024-05-04 15:05:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:16,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 15:05:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 15:05:16,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 15:05:16,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:16,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-04 15:05:16,824 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:16,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:16,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1766499660, now seen corresponding path program 1 times [2024-05-04 15:05:16,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:16,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970817152] [2024-05-04 15:05:16,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:16,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:16,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:16,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970817152] [2024-05-04 15:05:16,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970817152] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:16,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:05:16,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-04 15:05:16,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005448457] [2024-05-04 15:05:16,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:16,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 15:05:16,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:16,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 15:05:16,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-04 15:05:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:16,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:16,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:16,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:17,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-04 15:05:17,069 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:17,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:17,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1099640677, now seen corresponding path program 1 times [2024-05-04 15:05:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:17,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584122255] [2024-05-04 15:05:17,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:17,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:17,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:17,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584122255] [2024-05-04 15:05:17,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584122255] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:17,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596628682] [2024-05-04 15:05:17,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:17,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:17,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:17,174 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:17,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 15:05:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:17,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-04 15:05:17,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:17,417 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596628682] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:17,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-04 15:05:17,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 8] total 15 [2024-05-04 15:05:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730803031] [2024-05-04 15:05:17,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:17,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 15:05:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:17,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 15:05:17,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-05-04 15:05:17,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:17,551 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:17,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:17,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:17,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:17,948 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,SelfDestructingSolverStorable5 [2024-05-04 15:05:17,948 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:17,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:17,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1541247926, now seen corresponding path program 1 times [2024-05-04 15:05:17,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:17,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79822625] [2024-05-04 15:05:17,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:17,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:18,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79822625] [2024-05-04 15:05:18,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79822625] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:18,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205950041] [2024-05-04 15:05:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:18,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:18,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:18,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:18,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 15:05:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:18,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-04 15:05:18,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:18,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205950041] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:18,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-04 15:05:18,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2024-05-04 15:05:18,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782730682] [2024-05-04 15:05:18,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:18,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-04 15:05:18,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:18,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-04 15:05:18,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-05-04 15:05:18,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:18,195 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:18,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:18,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:18,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:18,539 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:18,540 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:18,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1415196082, now seen corresponding path program 1 times [2024-05-04 15:05:18,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:18,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443201071] [2024-05-04 15:05:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:18,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443201071] [2024-05-04 15:05:18,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443201071] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:18,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740027751] [2024-05-04 15:05:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:18,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:18,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:18,674 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:18,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 15:05:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:18,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-04 15:05:18,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:18,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:18,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740027751] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:18,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:18,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-05-04 15:05:18,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353356685] [2024-05-04 15:05:18,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:18,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-04 15:05:18,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:18,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-04 15:05:18,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-05-04 15:05:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:18,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:18,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:18,891 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:19,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:19,348 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:19,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:19,348 INFO L85 PathProgramCache]: Analyzing trace with hash -456731637, now seen corresponding path program 1 times [2024-05-04 15:05:19,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:19,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443229466] [2024-05-04 15:05:19,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443229466] [2024-05-04 15:05:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443229466] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469467815] [2024-05-04 15:05:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:19,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:19,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:19,420 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:19,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 15:05:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:19,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-04 15:05:19,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:19,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 15:05:19,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469467815] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:19,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 15:05:19,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-05-04 15:05:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653459051] [2024-05-04 15:05:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 15:05:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 15:05:19,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-05-04 15:05:19,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:19,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:19,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:19,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:19,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:19,728 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-04 15:05:19,917 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,SelfDestructingSolverStorable8 [2024-05-04 15:05:19,917 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:19,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:19,917 INFO L85 PathProgramCache]: Analyzing trace with hash -2052018704, now seen corresponding path program 1 times [2024-05-04 15:05:19,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:19,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055433740] [2024-05-04 15:05:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:19,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:19,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:19,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055433740] [2024-05-04 15:05:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055433740] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:19,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384638889] [2024-05-04 15:05:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:19,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:19,999 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:20,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 15:05:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:20,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2024-05-04 15:05:20,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:20,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 15:05:20,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384638889] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:05:20,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 15:05:20,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-05-04 15:05:20,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305798172] [2024-05-04 15:05:20,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:05:20,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 15:05:20,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:20,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 15:05:20,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-05-04 15:05:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:20,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:20,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:20,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:20,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:20,455 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,SelfDestructingSolverStorable9 [2024-05-04 15:05:20,455 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:20,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:20,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1339526035, now seen corresponding path program 1 times [2024-05-04 15:05:20,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:20,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685092791] [2024-05-04 15:05:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:21,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:21,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:21,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685092791] [2024-05-04 15:05:21,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685092791] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:21,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174204319] [2024-05-04 15:05:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:21,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:21,046 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:21,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 15:05:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:21,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-04 15:05:21,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:21,246 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 111 treesize of output 91 [2024-05-04 15:05:21,472 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 166 treesize of output 142 [2024-05-04 15:05:21,481 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 142 treesize of output 118 [2024-05-04 15:05:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:22,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:22,978 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:22,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 109 [2024-05-04 15:05:23,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:23,151 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 128 treesize of output 120 [2024-05-04 15:05:23,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:23,159 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 112 treesize of output 104 [2024-05-04 15:05:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:23,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174204319] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:23,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:23,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 25 [2024-05-04 15:05:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885027100] [2024-05-04 15:05:23,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:23,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 15:05:23,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:23,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 15:05:23,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-05-04 15:05:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:23,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:23,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 25 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:23,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:25,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:25,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:25,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-04 15:05:25,933 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:25,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:25,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1892528413, now seen corresponding path program 2 times [2024-05-04 15:05:25,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596785564] [2024-05-04 15:05:25,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:25,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:26,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:26,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596785564] [2024-05-04 15:05:26,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596785564] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:26,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992982193] [2024-05-04 15:05:26,281 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 15:05:26,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:26,307 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:26,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 15:05:26,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 15:05:26,351 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:26,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-04 15:05:26,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:26,455 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 55 treesize of output 45 [2024-05-04 15:05:26,534 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 114 treesize of output 96 [2024-05-04 15:05:26,536 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 96 treesize of output 78 [2024-05-04 15:05:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:27,010 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:27,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:27,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2024-05-04 15:05:27,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:27,353 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 92 treesize of output 84 [2024-05-04 15:05:27,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:27,361 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 76 treesize of output 68 [2024-05-04 15:05:27,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:27,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992982193] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:27,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:27,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-04 15:05:27,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505501264] [2024-05-04 15:05:27,450 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:27,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-04 15:05:27,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:27,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-04 15:05:27,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2024-05-04 15:05:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:27,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:27,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:27,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:29,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:29,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:29,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:29,322 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:29,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:29,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1063915595, now seen corresponding path program 3 times [2024-05-04 15:05:29,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:29,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486405663] [2024-05-04 15:05:29,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:29,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:29,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:29,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486405663] [2024-05-04 15:05:29,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486405663] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:29,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240156938] [2024-05-04 15:05:29,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 15:05:29,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:29,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:29,703 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) [2024-05-04 15:05:29,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 15:05:29,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 15:05:29,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:29,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2024-05-04 15:05:29,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:29,832 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 64 treesize of output 52 [2024-05-04 15:05:29,893 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 103 treesize of output 85 [2024-05-04 15:05:29,896 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 85 treesize of output 67 [2024-05-04 15:05:30,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:30,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:30,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:30,356 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 113 treesize of output 101 [2024-05-04 15:05:30,433 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:30,433 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 43 treesize of output 43 [2024-05-04 15:05:30,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:30,438 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 39 [2024-05-04 15:05:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:30,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240156938] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:30,477 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:30,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2024-05-04 15:05:30,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047661217] [2024-05-04 15:05:30,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:30,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-04 15:05:30,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:30,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-04 15:05:30,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2024-05-04 15:05:30,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:30,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:30,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.0384615384615383) internal successors, (53), 26 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) [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:30,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:30,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:31,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:31,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-04 15:05:31,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:31,963 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:31,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:31,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1843028868, now seen corresponding path program 4 times [2024-05-04 15:05:31,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:31,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250304876] [2024-05-04 15:05:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:31,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:32,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250304876] [2024-05-04 15:05:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250304876] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786307921] [2024-05-04 15:05:32,153 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 15:05:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:32,155 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) [2024-05-04 15:05:32,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 15:05:32,189 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 15:05:32,189 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:32,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 15:05:32,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:32,240 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 31 treesize of output 25 [2024-05-04 15:05:32,278 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 35 treesize of output 29 [2024-05-04 15:05:32,281 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 29 treesize of output 23 [2024-05-04 15:05:32,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:32,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:32,396 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:32,397 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 34 treesize of output 36 [2024-05-04 15:05:32,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:32,442 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 27 treesize of output 31 [2024-05-04 15:05:32,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:32,447 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 27 treesize of output 31 [2024-05-04 15:05:32,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:32,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786307921] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:32,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:32,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 17 [2024-05-04 15:05:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682778975] [2024-05-04 15:05:32,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:32,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-04 15:05:32,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:32,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-04 15:05:32,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-05-04 15:05:32,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:32,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:32,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:32,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:32,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:33,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:33,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:33,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-04 15:05:33,205 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,SelfDestructingSolverStorable13 [2024-05-04 15:05:33,205 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:33,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:33,206 INFO L85 PathProgramCache]: Analyzing trace with hash 247741801, now seen corresponding path program 5 times [2024-05-04 15:05:33,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:33,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543501471] [2024-05-04 15:05:33,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:33,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:33,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543501471] [2024-05-04 15:05:33,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543501471] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853629112] [2024-05-04 15:05:33,365 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 15:05:33,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:33,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:33,366 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) [2024-05-04 15:05:33,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 15:05:33,412 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-05-04 15:05:33,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:33,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 15:05:33,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:33,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-05-04 15:05:33,474 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 32 treesize of output 26 [2024-05-04 15:05:33,476 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 26 treesize of output 20 [2024-05-04 15:05:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:33,528 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:33,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:33,599 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 27 treesize of output 31 [2024-05-04 15:05:33,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:33,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:33,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:33,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853629112] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:33,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:33,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2024-05-04 15:05:33,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111615864] [2024-05-04 15:05:33,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:33,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-04 15:05:33,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:33,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-04 15:05:33,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-05-04 15:05:33,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:33,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:33,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:33,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:33,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:33,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:34,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:34,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:34,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:34,420 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:34,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:34,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1233572884, now seen corresponding path program 6 times [2024-05-04 15:05:34,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:34,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710068387] [2024-05-04 15:05:34,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:34,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:34,962 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:34,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710068387] [2024-05-04 15:05:34,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710068387] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:34,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282429031] [2024-05-04 15:05:34,963 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 15:05:34,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:34,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:34,964 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) [2024-05-04 15:05:34,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 15:05:35,020 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-05-04 15:05:35,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:35,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-04 15:05:35,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:35,133 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 111 treesize of output 91 [2024-05-04 15:05:35,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 141 [2024-05-04 15:05:35,279 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 141 treesize of output 117 [2024-05-04 15:05:36,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:36,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:36,631 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:36,631 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 113 treesize of output 105 [2024-05-04 15:05:36,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:36,796 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 121 treesize of output 113 [2024-05-04 15:05:36,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:36,803 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 105 treesize of output 97 [2024-05-04 15:05:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 15:05:37,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282429031] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:37,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:37,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 29 [2024-05-04 15:05:37,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472606414] [2024-05-04 15:05:37,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:37,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-04 15:05:37,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:37,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-04 15:05:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=738, Unknown=0, NotChecked=0, Total=812 [2024-05-04 15:05:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:37,007 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:37,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 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) [2024-05-04 15:05:37,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:37,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:39,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:05:39,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:40,010 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,SelfDestructingSolverStorable15 [2024-05-04 15:05:40,010 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:40,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:40,011 INFO L85 PathProgramCache]: Analyzing trace with hash 54216278, now seen corresponding path program 7 times [2024-05-04 15:05:40,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:40,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553779547] [2024-05-04 15:05:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:40,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:40,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:40,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553779547] [2024-05-04 15:05:40,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553779547] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:40,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993702648] [2024-05-04 15:05:40,617 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 15:05:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:40,618 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) [2024-05-04 15:05:40,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 15:05:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:40,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-04 15:05:40,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:40,742 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 55 treesize of output 45 [2024-05-04 15:05:40,819 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 114 treesize of output 96 [2024-05-04 15:05:40,821 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 96 treesize of output 78 [2024-05-04 15:05:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:41,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:41,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:41,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 27 [2024-05-04 15:05:41,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:41,584 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 88 treesize of output 80 [2024-05-04 15:05:41,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:41,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 64 [2024-05-04 15:05:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 15:05:41,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993702648] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:41,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:41,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 13] total 30 [2024-05-04 15:05:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489530467] [2024-05-04 15:05:41,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:41,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-04 15:05:41,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:41,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-04 15:05:41,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2024-05-04 15:05:41,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:41,711 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:41,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.8666666666666667) internal successors, (56), 30 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:05:41,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:05:45,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 15:05:45,560 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-04 15:05:45,749 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,SelfDestructingSolverStorable16 [2024-05-04 15:05:45,749 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:45,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:45,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1392739566, now seen corresponding path program 8 times [2024-05-04 15:05:45,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:45,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259712000] [2024-05-04 15:05:45,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:45,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:46,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:46,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259712000] [2024-05-04 15:05:46,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259712000] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:46,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370699196] [2024-05-04 15:05:46,166 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 15:05:46,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:46,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:46,182 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:46,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 15:05:46,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 15:05:46,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:46,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-04 15:05:46,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:46,309 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 76 treesize of output 62 [2024-05-04 15:05:46,412 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 121 treesize of output 101 [2024-05-04 15:05:46,415 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 101 treesize of output 81 [2024-05-04 15:05:46,695 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:46,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:47,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:47,032 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 108 treesize of output 100 [2024-05-04 15:05:47,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:47,154 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 32 treesize of output 34 [2024-05-04 15:05:47,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:47,159 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 30 treesize of output 32 [2024-05-04 15:05:47,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 15:05:47,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370699196] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:47,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 13] total 32 [2024-05-04 15:05:47,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076618052] [2024-05-04 15:05:47,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:47,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-04 15:05:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:47,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-04 15:05:47,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=909, Unknown=0, NotChecked=0, Total=992 [2024-05-04 15:05:47,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:47,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:47,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:47,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 15:05:47,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-05-04 15:05:49,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:49,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-04 15:05:49,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-04 15:05:49,329 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:49,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:49,329 INFO L85 PathProgramCache]: Analyzing trace with hash 689927531, now seen corresponding path program 9 times [2024-05-04 15:05:49,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:49,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484610874] [2024-05-04 15:05:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:49,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:49,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484610874] [2024-05-04 15:05:49,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484610874] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:49,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994100553] [2024-05-04 15:05:49,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 15:05:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:49,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:49,573 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:49,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 15:05:49,611 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-04 15:05:49,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:49,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-04 15:05:49,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:49,645 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 31 treesize of output 25 [2024-05-04 15:05:49,683 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 35 treesize of output 29 [2024-05-04 15:05:49,685 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 29 treesize of output 23 [2024-05-04 15:05:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:49,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:49,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:49,810 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 30 treesize of output 32 [2024-05-04 15:05:49,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:49,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:49,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:49,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 15:05:49,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994100553] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:49,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:49,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 22 [2024-05-04 15:05:49,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588300355] [2024-05-04 15:05:49,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:49,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-04 15:05:49,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:49,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-04 15:05:49,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2024-05-04 15:05:49,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:49,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:49,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.7272727272727273) internal successors, (38), 22 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) [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:49,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:50,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 15:05:50,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:50,945 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:51,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:51,145 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:51,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:51,145 INFO L85 PathProgramCache]: Analyzing trace with hash -905359536, now seen corresponding path program 10 times [2024-05-04 15:05:51,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:51,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389725281] [2024-05-04 15:05:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:51,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:51,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389725281] [2024-05-04 15:05:51,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389725281] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:51,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264682074] [2024-05-04 15:05:51,370 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 15:05:51,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:51,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:51,371 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:51,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 15:05:51,405 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 15:05:51,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:51,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-04 15:05:51,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:51,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-05-04 15:05:51,442 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 32 treesize of output 26 [2024-05-04 15:05:51,445 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 26 treesize of output 20 [2024-05-04 15:05:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:51,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:51,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:51,559 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 27 treesize of output 31 [2024-05-04 15:05:51,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:51,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:51,596 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:51,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-05-04 15:05:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 15:05:51,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264682074] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:51,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:51,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 21 [2024-05-04 15:05:51,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626008206] [2024-05-04 15:05:51,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:51,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-04 15:05:51,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:51,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-04 15:05:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2024-05-04 15:05:51,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:51,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:51,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 21 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:51,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:51,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:05:51,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:52,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 15:05:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:05:52,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-04 15:05:53,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:53,019 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:05:53,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:05:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash -416213460, now seen corresponding path program 11 times [2024-05-04 15:05:53,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:05:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126685917] [2024-05-04 15:05:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:05:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:05:53,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:05:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-04 15:05:53,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:05:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126685917] [2024-05-04 15:05:53,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126685917] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 15:05:53,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903709841] [2024-05-04 15:05:53,360 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 15:05:53,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:05:53,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 15:05:53,382 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 15:05:53,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 15:05:53,427 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-04 15:05:53,427 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 15:05:53,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-04 15:05:53,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 15:05:53,618 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 112 treesize of output 92 [2024-05-04 15:05:53,770 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 121 treesize of output 105 [2024-05-04 15:05:53,772 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 105 treesize of output 89 [2024-05-04 15:05:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:05:54,203 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 15:05:54,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:54,582 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 77 treesize of output 71 [2024-05-04 15:05:54,715 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:54,715 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 110 treesize of output 102 [2024-05-04 15:05:54,737 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 15:05:54,738 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 94 treesize of output 86 [2024-05-04 15:05:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-04 15:05:54,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903709841] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 15:05:54,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 15:05:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 13] total 32 [2024-05-04 15:05:54,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891625265] [2024-05-04 15:05:54,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 15:05:54,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-04 15:05:54,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:05:54,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-04 15:05:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=909, Unknown=0, NotChecked=0, Total=992 [2024-05-04 15:05:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:05:54,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:05:54,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:05:54,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:02,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:02,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-04 15:06:02,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 15:06:02,913 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:06:02,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:06:02,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1641822133, now seen corresponding path program 1 times [2024-05-04 15:06:02,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:06:02,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295959449] [2024-05-04 15:06:02,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:06:02,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:06:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:06:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:06:02,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:06:02,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295959449] [2024-05-04 15:06:02,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295959449] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:06:02,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:06:02,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 15:06:02,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965640521] [2024-05-04 15:06:02,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:06:02,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 15:06:02,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:06:02,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 15:06:02,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 15:06:02,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:02,929 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:06:02,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:06:02,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:02,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-05-04 15:06:03,363 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:06:03,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:06:03,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1129804576, now seen corresponding path program 1 times [2024-05-04 15:06:03,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:06:03,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144349657] [2024-05-04 15:06:03,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:06:03,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:06:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:06:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:06:03,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:06:03,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144349657] [2024-05-04 15:06:03,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144349657] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:06:03,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:06:03,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 15:06:03,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468219297] [2024-05-04 15:06:03,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:06:03,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 15:06:03,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:06:03,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 15:06:03,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 15:06:03,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:03,381 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:06:03,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:06:03,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:03,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:06:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-05-04 15:06:03,640 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 15:06:03,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 15:06:03,641 INFO L85 PathProgramCache]: Analyzing trace with hash 628623579, now seen corresponding path program 1 times [2024-05-04 15:06:03,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 15:06:03,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831177558] [2024-05-04 15:06:03,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 15:06:03,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 15:06:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 15:06:03,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 15:06:03,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 15:06:03,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831177558] [2024-05-04 15:06:03,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831177558] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 15:06:03,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 15:06:03,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-04 15:06:03,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677731671] [2024-05-04 15:06:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 15:06:03,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 15:06:03,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 15:06:03,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 15:06:03,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 15:06:03,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:03,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 15:06:03,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 15:06:03,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:03,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 15:06:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-04 15:06:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-05-04 15:06:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-04 15:06:04,042 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-04 15:06:04,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-04 15:06:04,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-05-04 15:06:04,046 INFO L448 BasicCegarLoop]: Path program histogram: [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-04 15:06:04,048 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 15:06:04,048 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 15:06:04,050 INFO L201 PluginConnector]: Adding new model word-trans.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 03:06:04 BasicIcfg [2024-05-04 15:06:04,050 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 15:06:04,050 INFO L158 Benchmark]: Toolchain (without parser) took 49025.19ms. Allocated memory was 240.1MB in the beginning and 720.4MB in the end (delta: 480.2MB). Free memory was 207.5MB in the beginning and 452.9MB in the end (delta: -245.4MB). Peak memory consumption was 234.7MB. Max. memory is 8.0GB. [2024-05-04 15:06:04,050 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 240.1MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 15:06:04,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.37ms. Allocated memory is still 240.1MB. Free memory was 207.5MB in the beginning and 213.2MB in the end (delta: -5.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 15:06:04,051 INFO L158 Benchmark]: Boogie Preprocessor took 18.20ms. Allocated memory is still 240.1MB. Free memory was 213.2MB in the beginning and 211.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 15:06:04,051 INFO L158 Benchmark]: RCFGBuilder took 339.49ms. Allocated memory is still 240.1MB. Free memory was 211.9MB in the beginning and 196.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-04 15:06:04,051 INFO L158 Benchmark]: TraceAbstraction took 48608.97ms. Allocated memory was 240.1MB in the beginning and 720.4MB in the end (delta: 480.2MB). Free memory was 195.4MB in the beginning and 452.9MB in the end (delta: -257.5MB). Peak memory consumption was 223.0MB. Max. memory is 8.0GB. [2024-05-04 15:06:04,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 240.1MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.37ms. Allocated memory is still 240.1MB. Free memory was 207.5MB in the beginning and 213.2MB in the end (delta: -5.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.20ms. Allocated memory is still 240.1MB. Free memory was 213.2MB in the beginning and 211.9MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 339.49ms. Allocated memory is still 240.1MB. Free memory was 211.9MB in the beginning and 196.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 48608.97ms. Allocated memory was 240.1MB in the beginning and 720.4MB in the end (delta: 480.2MB). Free memory was 195.4MB in the beginning and 452.9MB in the end (delta: -257.5MB). Peak memory consumption was 223.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 113179, independent: 102955, independent conditional: 102662, independent unconditional: 293, dependent: 10224, dependent conditional: 10224, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 102662, independent unconditional: 293, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 102662, independent unconditional: 293, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 102662, independent unconditional: 293, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 50812, independent unconditional: 52143, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 38400, independent unconditional: 64555, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 38400, independent unconditional: 64555, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 30, independent unconditional: 181, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102955, independent: 102744, independent conditional: 38370, independent unconditional: 64374, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 211, unknown conditional: 30, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 211, Positive cache size: 211, Positive conditional cache size: 30, Positive unconditional cache size: 181, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12412, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 50812, independent unconditional: 52143, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 38400, independent unconditional: 64555, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102955, independent: 102955, independent conditional: 38400, independent unconditional: 64555, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 30, independent unconditional: 181, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 211, independent: 211, independent conditional: 0, independent unconditional: 211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 102955, independent: 102744, independent conditional: 38370, independent unconditional: 64374, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 211, unknown conditional: 30, unknown unconditional: 181] , Statistics on independence cache: Total cache size (in pairs): 211, Positive cache size: 211, Positive conditional cache size: 30, Positive unconditional cache size: 181, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 12412 ], Independence queries for same thread: 10224 - PositiveResult [Line: 128]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 27.5s, 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: 466, 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, 16.2s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1070 ConstructedInterpolants, 0 QuantifiedInterpolants, 12957 SizeOfPredicates, 236 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 313 ConjunctsInUnsatCore, 54 InterpolantComputations, 12 PerfectInterpolantSequences, 82/353 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, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 15:06:04,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-04 15:06:04,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...