/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 19:37:41,612 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 19:37:41,655 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 19:37:41,668 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 19:37:41,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 19:37:41,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 19:37:41,673 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 19:37:41,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 19:37:41,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 19:37:41,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 19:37:41,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 19:37:41,674 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 19:37:41,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 19:37:41,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 19:37:41,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 19:37:41,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 19:37:41,676 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 19:37:41,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:37:41,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 19:37:41,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 19:37:41,678 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 19:37:41,678 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-19 19:37:41,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 19:37:41,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 19:37:41,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 19:37:41,870 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 19:37:41,873 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 19:37:41,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2023-05-19 19:37:41,874 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2023-05-19 19:37:41,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 19:37:41,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 19:37:41,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 19:37:41,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 19:37:41,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 19:37:41,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,929 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 19:37:41,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 19:37:41,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 19:37:41,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 19:37:41,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 19:37:41,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 19:37:41,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 19:37:41,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 19:37:41,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 19:37:41,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/1) ... [2023-05-19 19:37:41,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 19:37:41,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:41,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-19 19:37:41,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-19 19:37:42,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 19:37:42,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 19:37:42,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 19:37:42,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 19:37:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 19:37:42,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 19:37:42,006 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 19:37:42,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 19:37:42,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 19:37:42,007 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 19:37:42,007 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 19:37:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 19:37:42,008 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-19 19:37:42,046 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 19:37:42,049 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 19:37:42,164 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 19:37:42,180 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 19:37:42,181 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 19:37:42,182 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:37:42 BoogieIcfgContainer [2023-05-19 19:37:42,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 19:37:42,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 19:37:42,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 19:37:42,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 19:37:42,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 07:37:41" (1/2) ... [2023-05-19 19:37:42,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1560847 and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 07:37:42, skipping insertion in model container [2023-05-19 19:37:42,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 07:37:42" (2/2) ... [2023-05-19 19:37:42,215 INFO L112 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2023-05-19 19:37:42,220 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 19:37:42,226 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 19:37:42,226 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 19:37:42,226 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 19:37:42,285 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-19 19:37:42,313 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:37:42,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 19:37:42,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:42,315 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-19 19:37:42,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-19 19:37:42,345 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 19:37:42,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 19:37:42,361 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=LoopsAndPotentialCycles, 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;@40903622, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 19:37:42,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-19 19:37:42,454 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)] === [2023-05-19 19:37:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:37:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1415063804, now seen corresponding path program 1 times [2023-05-19 19:37:42,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:37:42,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15818602] [2023-05-19 19:37:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:42,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:37:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:42,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:37:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15818602] [2023-05-19 19:37:42,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15818602] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:37:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196156808] [2023-05-19 19:37:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:42,840 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:37:42,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-19 19:37:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:42,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-19 19:37:42,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:37:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:37:43,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:37:43,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:37:43,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196156808] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:37:43,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:37:43,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2023-05-19 19:37:43,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165815299] [2023-05-19 19:37:43,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:37:43,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-05-19 19:37:43,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:37:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-05-19 19:37:43,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2023-05-19 19:37:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:43,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:37:43,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 21 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 19:37:43,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-19 19:37:43,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-19 19:37:43,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-19 19:37:43,933 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)] === [2023-05-19 19:37:43,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:37:43,934 INFO L85 PathProgramCache]: Analyzing trace with hash 586615178, now seen corresponding path program 2 times [2023-05-19 19:37:43,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:37:43,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667315775] [2023-05-19 19:37:43,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:43,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:37:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:44,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:37:44,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667315775] [2023-05-19 19:37:44,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667315775] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:37:44,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612455318] [2023-05-19 19:37:44,086 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:37:44,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:44,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:44,110 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:37:44,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-19 19:37:44,141 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:37:44,141 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:37:44,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-19 19:37:44,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:37:44,262 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 19:37:44,262 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:37:44,421 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:44,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612455318] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:37:44,422 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:37:44,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 12] total 23 [2023-05-19 19:37:44,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682194543] [2023-05-19 19:37:44,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:37:44,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-05-19 19:37:44,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:37:44,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-05-19 19:37:44,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2023-05-19 19:37:44,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:44,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:37:44,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.5217391304347827) internal successors, (81), 23 states have internal predecessors, (81), 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) [2023-05-19 19:37:44,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-19 19:37:44,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:45,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:37:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-19 19:37:45,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-19 19:37:45,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:45,275 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)] === [2023-05-19 19:37:45,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:37:45,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1712581864, now seen corresponding path program 3 times [2023-05-19 19:37:45,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:37:45,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954908999] [2023-05-19 19:37:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:45,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:37:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 30 proven. 87 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-19 19:37:45,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:37:45,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954908999] [2023-05-19 19:37:45,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954908999] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:37:45,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15187935] [2023-05-19 19:37:45,572 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:37:45,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:45,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:45,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:37:45,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-19 19:37:45,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-05-19 19:37:45,620 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:37:45,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-19 19:37:45,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:37:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 76 proven. 37 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 19:37:45,816 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:37:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 8 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:46,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15187935] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:37:46,188 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:37:46,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 19] total 39 [2023-05-19 19:37:46,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236441949] [2023-05-19 19:37:46,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:37:46,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-19 19:37:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:37:46,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-19 19:37:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=298, Invalid=1184, Unknown=0, NotChecked=0, Total=1482 [2023-05-19 19:37:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:46,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:37:46,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.5641025641025643) internal successors, (139), 39 states have internal predecessors, (139), 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) [2023-05-19 19:37:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-19 19:37:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-19 19:37:46,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:37:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-05-19 19:37:47,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:37:47,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-19 19:37:47,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:47,777 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)] === [2023-05-19 19:37:47,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:37:47,778 INFO L85 PathProgramCache]: Analyzing trace with hash 765597564, now seen corresponding path program 4 times [2023-05-19 19:37:47,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:37:47,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446606725] [2023-05-19 19:37:47,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:47,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:37:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 67 proven. 154 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-19 19:37:48,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:37:48,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446606725] [2023-05-19 19:37:48,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446606725] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:37:48,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703643285] [2023-05-19 19:37:48,205 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 19:37:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:48,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:37:48,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-19 19:37:48,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 19:37:48,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:37:48,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 28 conjunts are in the unsatisfiable core [2023-05-19 19:37:48,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:37:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 84 proven. 135 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 19:37:48,581 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:37:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 84 proven. 143 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:49,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703643285] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:37:49,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:37:49,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 29] total 53 [2023-05-19 19:37:49,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979417425] [2023-05-19 19:37:49,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:37:49,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-05-19 19:37:49,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:37:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-05-19 19:37:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=2090, Unknown=0, NotChecked=0, Total=2756 [2023-05-19 19:37:49,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:49,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:37:49,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 2.8867924528301887) internal successors, (153), 53 states have internal predecessors, (153), 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) [2023-05-19 19:37:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:37:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2023-05-19 19:37:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-19 19:37:49,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:51,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:37:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:37:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:37:51,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-19 19:37:51,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-19 19:37:51,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:51,512 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)] === [2023-05-19 19:37:51,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:37:51,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1410592526, now seen corresponding path program 5 times [2023-05-19 19:37:51,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:37:51,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382335238] [2023-05-19 19:37:51,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:37:51,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:37:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:37:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 423 proven. 709 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-19 19:37:52,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:37:52,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382335238] [2023-05-19 19:37:52,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382335238] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:37:52,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252611575] [2023-05-19 19:37:52,594 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 19:37:52,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:37:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:37:52,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:37:52,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-19 19:37:52,673 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2023-05-19 19:37:52,673 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:37:52,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-19 19:37:52,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:37:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 441 proven. 689 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 19:37:53,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:37:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 102 proven. 1052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:37:55,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252611575] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:37:55,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:37:55,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 56] total 107 [2023-05-19 19:37:55,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203702304] [2023-05-19 19:37:55,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:37:55,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-05-19 19:37:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:37:55,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-05-19 19:37:55,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1921, Invalid=9421, Unknown=0, NotChecked=0, Total=11342 [2023-05-19 19:37:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:37:55,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:37:55,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 2.7663551401869158) internal successors, (296), 107 states have internal predecessors, (296), 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) [2023-05-19 19:37:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:37:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:37:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:37:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-19 19:37:55,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:38:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:38:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:38:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:38:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:38:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:38:02,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-19 19:38:02,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:38:02,288 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)] === [2023-05-19 19:38:02,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:38:02,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1978045086, now seen corresponding path program 6 times [2023-05-19 19:38:02,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:38:02,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061222456] [2023-05-19 19:38:02,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:38:02,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:38:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:38:03,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 913 proven. 829 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-19 19:38:03,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:38:03,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061222456] [2023-05-19 19:38:03,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061222456] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:38:03,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171751166] [2023-05-19 19:38:03,943 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 19:38:03,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:38:03,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:38:03,944 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:38:03,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-19 19:38:04,043 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-05-19 19:38:04,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:38:04,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 73 conjunts are in the unsatisfiable core [2023-05-19 19:38:04,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:38:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 975 proven. 765 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-05-19 19:38:05,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:38:07,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1766 backedges. 858 proven. 908 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:38:07,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171751166] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:38:07,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:38:07,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48, 74] total 143 [2023-05-19 19:38:07,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474717274] [2023-05-19 19:38:07,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:38:07,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2023-05-19 19:38:07,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:38:07,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2023-05-19 19:38:07,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5373, Invalid=14933, Unknown=0, NotChecked=0, Total=20306 [2023-05-19 19:38:07,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:38:07,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:38:07,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 143 states, 143 states have (on average 2.5804195804195804) internal successors, (369), 143 states have internal predecessors, (369), 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) [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 116 states. [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:38:07,677 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:38:18,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2023-05-19 19:38:18,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-19 19:38:18,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:38:18,652 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)] === [2023-05-19 19:38:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:38:18,652 INFO L85 PathProgramCache]: Analyzing trace with hash 155315148, now seen corresponding path program 7 times [2023-05-19 19:38:18,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:38:18,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260144389] [2023-05-19 19:38:18,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:38:18,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:38:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:38:24,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 4410 proven. 5407 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-05-19 19:38:24,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:38:24,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260144389] [2023-05-19 19:38:24,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260144389] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:38:24,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678808938] [2023-05-19 19:38:24,133 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 19:38:24,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:38:24,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:38:24,134 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:38:24,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-19 19:38:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:38:24,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 154 conjunts are in the unsatisfiable core [2023-05-19 19:38:24,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:38:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 4473 proven. 5342 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-19 19:38:27,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:38:37,305 INFO L134 CoverageAnalysis]: Checked inductivity of 9893 backedges. 912 proven. 8981 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:38:37,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678808938] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:38:37,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:38:37,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77, 76, 155] total 287 [2023-05-19 19:38:37,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645685486] [2023-05-19 19:38:37,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:38:37,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2023-05-19 19:38:37,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:38:37,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2023-05-19 19:38:37,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13720, Invalid=68362, Unknown=0, NotChecked=0, Total=82082 [2023-05-19 19:38:37,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:38:37,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:38:37,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 2.662020905923345) internal successors, (764), 287 states have internal predecessors, (764), 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) [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 272 states. [2023-05-19 19:38:37,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:39:39,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 305 states. [2023-05-19 19:39:39,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2023-05-19 19:39:40,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-19 19:39:40,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-19 19:39:40,195 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)] === [2023-05-19 19:39:40,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:39:40,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1395288650, now seen corresponding path program 8 times [2023-05-19 19:39:40,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:39:40,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81470322] [2023-05-19 19:39:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:39:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:39:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:39:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 9283 proven. 4357 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-05-19 19:39:51,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:39:51,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81470322] [2023-05-19 19:39:51,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81470322] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:39:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028605869] [2023-05-19 19:39:51,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 19:39:51,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:39:51,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:39:51,267 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:39:51,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-19 19:39:51,475 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 19:39:51,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:39:51,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 199 conjunts are in the unsatisfiable core [2023-05-19 19:39:51,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:39:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 9480 proven. 4158 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-19 19:39:59,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:40:13,118 INFO L134 CoverageAnalysis]: Checked inductivity of 13718 backedges. 8040 proven. 5678 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:40:13,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028605869] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:40:13,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:40:13,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [121, 120, 200] total 401 [2023-05-19 19:40:13,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754480975] [2023-05-19 19:40:13,119 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:40:13,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 401 states [2023-05-19 19:40:13,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:40:13,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 401 interpolants. [2023-05-19 19:40:13,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47148, Invalid=113252, Unknown=0, NotChecked=0, Total=160400 [2023-05-19 19:40:13,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:40:13,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:40:13,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 401 states, 401 states have (on average 2.4688279301745637) internal successors, (990), 401 states have internal predecessors, (990), 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) [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 305 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2023-05-19 19:40:13,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2023-05-19 19:42:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 342 states. [2023-05-19 19:42:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 719 states. [2023-05-19 19:42:21,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-19 19:42:21,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:42:21,967 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)] === [2023-05-19 19:42:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 19:42:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash -626300208, now seen corresponding path program 9 times [2023-05-19 19:42:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 19:42:21,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923948880] [2023-05-19 19:42:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 19:42:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 19:42:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 19:43:14,470 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 32727 proven. 37150 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-05-19 19:43:14,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 19:43:14,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923948880] [2023-05-19 19:43:14,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923948880] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 19:43:14,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025795279] [2023-05-19 19:43:14,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 19:43:14,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 19:43:14,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 19:43:14,476 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-19 19:43:14,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-19 19:43:18,184 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 105 check-sat command(s) [2023-05-19 19:43:18,184 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 19:43:18,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 406 conjunts are in the unsatisfiable core [2023-05-19 19:43:18,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 19:43:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 32925 proven. 36950 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2023-05-19 19:43:37,418 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 19:44:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 70091 backedges. 8178 proven. 61913 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 19:44:35,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025795279] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 19:44:35,519 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 19:44:35,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 190, 407] total 749 [2023-05-19 19:44:35,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117006957] [2023-05-19 19:44:35,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 19:44:35,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 749 states [2023-05-19 19:44:35,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 19:44:35,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 749 interpolants. [2023-05-19 19:44:35,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94614, Invalid=465638, Unknown=0, NotChecked=0, Total=560252 [2023-05-19 19:44:35,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 19:44:35,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 19:44:35,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 749 states, 749 states have (on average 2.6221628838451267) internal successors, (1964), 749 states have internal predecessors, (1964), 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) [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 342 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 719 states. [2023-05-19 19:44:35,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-19 19:50:41,287 WARN L249 SmtUtils]: Removed 3 from assertion stack [2023-05-19 19:50:41,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-19 19:50:41,329 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:50:41,329 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:50:41,329 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-19 19:50:41,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-19 19:50:41,488 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 455 for 335ms.. [2023-05-19 19:50:41,490 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-19 19:50:41,490 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-19 19:50:41,490 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-19 19:50:41,490 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-19 19:50:41,494 INFO L444 BasicCegarLoop]: Path program histogram: [9] [2023-05-19 19:50:41,496 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 19:50:41,496 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 19:50:41,498 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 07:50:41 BasicIcfg [2023-05-19 19:50:41,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 19:50:41,498 INFO L158 Benchmark]: Toolchain (without parser) took 779598.77ms. Allocated memory was 201.3MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 155.4MB in the beginning and 896.4MB in the end (delta: -741.1MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-05-19 19:50:41,499 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 19:50:41,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.86ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 153.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-19 19:50:41,499 INFO L158 Benchmark]: Boogie Preprocessor took 11.95ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 19:50:41,499 INFO L158 Benchmark]: RCFGBuilder took 239.68ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 171.8MB in the end (delta: -19.2MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2023-05-19 19:50:41,499 INFO L158 Benchmark]: TraceAbstraction took 779296.69ms. Allocated memory was 201.3MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 170.6MB in the beginning and 896.4MB in the end (delta: -725.8MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-05-19 19:50:41,500 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 156.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.86ms. Allocated memory is still 201.3MB. Free memory was 155.4MB in the beginning and 153.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.95ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 152.7MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.68ms. Allocated memory is still 201.3MB. Free memory was 152.7MB in the beginning and 171.8MB in the end (delta: -19.2MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * TraceAbstraction took 779296.69ms. Allocated memory was 201.3MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 170.6MB in the beginning and 896.4MB in the end (delta: -725.8MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14563, independent: 11116, independent conditional: 10719, independent unconditional: 397, dependent: 3447, dependent conditional: 3447, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11116, independent: 11116, independent conditional: 10719, independent unconditional: 397, 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: 11116, independent: 11116, independent conditional: 10719, independent unconditional: 397, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 357, independent: 357, independent conditional: 0, independent unconditional: 357, 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: 357, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11116, independent: 10759, independent conditional: 0, independent unconditional: 10759, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 357, unknown conditional: 0, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, 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: 0, Maximal queried relation: 0, Independence queries for same thread: 3447 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 60, Number of trivial persistent sets: 27, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 397, independent: 397, independent conditional: 0, independent unconditional: 397, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14563, independent: 11116, independent conditional: 10719, independent unconditional: 397, dependent: 3447, dependent conditional: 3447, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11116, independent: 11116, independent conditional: 10719, independent unconditional: 397, 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: 11116, independent: 11116, independent conditional: 10719, independent unconditional: 397, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 11116, independent: 11116, independent conditional: 0, independent unconditional: 11116, 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: 357, independent: 357, independent conditional: 0, independent unconditional: 357, 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: 357, independent: 355, independent conditional: 0, independent unconditional: 355, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 25, independent conditional: 0, independent unconditional: 25, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11116, independent: 10759, independent conditional: 0, independent unconditional: 10759, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 357, unknown conditional: 0, unknown unconditional: 357] , Statistics on independence cache: Total cache size (in pairs): 357, Positive cache size: 357, Positive conditional cache size: 0, Positive unconditional cache size: 357, 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: 0, Maximal queried relation: 0, Independence queries for same thread: 3447 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 455 for 335ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 455 for 335ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 455 for 335ms.. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 455 for 335ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 779.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 579.4s, 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: 2267, 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: 0.2s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 192.1s InterpolantComputationTime, 4090 NumberOfCodeBlocks, 4090 NumberOfCodeBlocksAsserted, 164 NumberOfCheckSat, 6108 ConstructedInterpolants, 0 QuantifiedInterpolants, 53994 SizeOfPredicates, 52 NumberOfNonLiveVariables, 4126 ConjunctsInSsa, 951 ConjunctsInUnsatCore, 27 InterpolantComputations, 0 PerfectInterpolantSequences, 115393/291018 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown