/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-19 12:14:28,330 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-19 12:14:28,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-19 12:14:28,421 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-19 12:14:28,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-19 12:14:28,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-19 12:14:28,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-19 12:14:28,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-19 12:14:28,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-19 12:14:28,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-19 12:14:28,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-19 12:14:28,422 INFO L138 SettingsManager]: * Use SBE=true [2023-05-19 12:14:28,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-19 12:14:28,423 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-19 12:14:28,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-19 12:14:28,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-19 12:14:28,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-19 12:14:28,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-19 12:14:28,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-19 12:14:28,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:14:28,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-19 12:14:28,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-19 12:14:28,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-19 12:14:28,427 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-19 12:14:28,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-19 12:14:28,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-19 12:14:28,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-19 12:14:28,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-19 12:14:28,660 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-19 12:14:28,661 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-19 12:14:28,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2023-05-19 12:14:28,662 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2023-05-19 12:14:28,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-19 12:14:28,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-19 12:14:28,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-19 12:14:28,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-19 12:14:28,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-19 12:14:28,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,709 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-19 12:14:28,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-19 12:14:28,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-19 12:14:28,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-19 12:14:28,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-19 12:14:28,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-19 12:14:28,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-19 12:14:28,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-19 12:14:28,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-19 12:14:28,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/1) ... [2023-05-19 12:14:28,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-19 12:14:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:28,752 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 12:14:28,755 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 12:14:28,777 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-19 12:14:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-19 12:14:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-19 12:14:28,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-19 12:14:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-19 12:14:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-19 12:14:28,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-19 12:14:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-19 12:14:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-19 12:14:28,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-19 12:14:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-19 12:14:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-19 12:14:28,778 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2023-05-19 12:14:28,778 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-19 12:14:28,778 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-19 12:14:28,779 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 12:14:28,813 INFO L235 CfgBuilder]: Building ICFG [2023-05-19 12:14:28,815 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-19 12:14:28,935 INFO L276 CfgBuilder]: Performing block encoding [2023-05-19 12:14:28,964 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-19 12:14:28,964 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-19 12:14:28,966 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:14:28 BoogieIcfgContainer [2023-05-19 12:14:28,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-19 12:14:28,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-19 12:14:28,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-19 12:14:28,990 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-19 12:14:28,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.05 12:14:28" (1/2) ... [2023-05-19 12:14:28,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4228f902 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.05 12:14:28, skipping insertion in model container [2023-05-19 12:14:28,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.05 12:14:28" (2/2) ... [2023-05-19 12:14:28,992 INFO L112 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2023-05-19 12:14:28,997 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-19 12:14:29,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-19 12:14:29,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-19 12:14:29,004 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-19 12:14:29,037 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-19 12:14:29,096 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:14:29,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-19 12:14:29,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:29,099 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 12:14:29,112 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 12:14:29,132 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-19 12:14:29,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-19 12:14:29,155 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;@53b4aabf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-19 12:14:29,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-19 12:14:29,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:29,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:29,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1995899733, now seen corresponding path program 1 times [2023-05-19 12:14:29,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:29,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86529309] [2023-05-19 12:14:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:14:29,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:29,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86529309] [2023-05-19 12:14:29,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86529309] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:14:29,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:14:29,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 12:14:29,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68492803] [2023-05-19 12:14:29,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:14:29,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 12:14:29,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:29,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 12:14:29,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-05-19 12:14:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:29,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 12:14:29,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:29,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-19 12:14:29,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1189536359, now seen corresponding path program 1 times [2023-05-19 12:14:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:29,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107768731] [2023-05-19 12:14:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:29,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:29,721 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 12:14:29,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:29,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107768731] [2023-05-19 12:14:29,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107768731] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:14:29,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:14:29,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-19 12:14:29,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26292710] [2023-05-19 12:14:29,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:14:29,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-19 12:14:29,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:29,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-19 12:14:29,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-19 12:14:29,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:29,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:29,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-19 12:14:29,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:29,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:29,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:29,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:29,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-19 12:14:29,959 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:29,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:29,960 INFO L85 PathProgramCache]: Analyzing trace with hash 56997677, now seen corresponding path program 1 times [2023-05-19 12:14:29,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:29,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537751396] [2023-05-19 12:14:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:29,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:30,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-19 12:14:30,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:30,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537751396] [2023-05-19 12:14:30,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537751396] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:14:30,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932367958] [2023-05-19 12:14:30,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:30,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:30,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:30,064 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 12:14:30,071 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 12:14:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:30,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-19 12:14:30,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:14:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 12:14:30,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:14:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-19 12:14:30,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932367958] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:14:30,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:14:30,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2023-05-19 12:14:30,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509463720] [2023-05-19 12:14:30,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:14:30,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 12:14:30,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:30,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 12:14:30,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-19 12:14:30,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:30,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:30,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 12:14:30,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:30,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:30,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:30,290 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 12:14:30,487 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,SelfDestructingSolverStorable2 [2023-05-19 12:14:30,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:30,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:30,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1849172447, now seen corresponding path program 1 times [2023-05-19 12:14:30,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:30,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440790154] [2023-05-19 12:14:30,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:30,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:14:30,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:30,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440790154] [2023-05-19 12:14:30,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440790154] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-19 12:14:30,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-19 12:14:30,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-19 12:14:30,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938398264] [2023-05-19 12:14:30,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-19 12:14:30,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-19 12:14:30,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:30,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-19 12:14:30,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-05-19 12:14:30,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:30,545 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:30,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 12:14:30,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:30,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:30,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:30,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:30,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-19 12:14:30,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:30,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash -152329831, now seen corresponding path program 1 times [2023-05-19 12:14:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:30,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527826103] [2023-05-19 12:14:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 7 proven. 37 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-05-19 12:14:30,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:30,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527826103] [2023-05-19 12:14:30,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527826103] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:14:30,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142498741] [2023-05-19 12:14:30,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:30,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:30,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:30,880 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 12:14:30,896 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 12:14:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:30,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-19 12:14:30,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:14:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 58 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-05-19 12:14:31,109 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:14:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 52 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-19 12:14:31,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142498741] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:14:31,326 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:14:31,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 8] total 19 [2023-05-19 12:14:31,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315870598] [2023-05-19 12:14:31,327 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:14:31,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-19 12:14:31,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:31,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-19 12:14:31,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2023-05-19 12:14:31,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:31,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:31,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.25) internal successors, (105), 19 states have internal predecessors, (105), 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 12:14:31,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:31,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:31,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:31,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:31,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:32,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-05-19 12:14:32,027 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 12:14:32,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:32,225 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:32,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:32,226 INFO L85 PathProgramCache]: Analyzing trace with hash 818362499, now seen corresponding path program 2 times [2023-05-19 12:14:32,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:32,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452166600] [2023-05-19 12:14:32,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:32,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 307 proven. 312 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-05-19 12:14:33,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:33,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452166600] [2023-05-19 12:14:33,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452166600] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:14:33,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240018207] [2023-05-19 12:14:33,553 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 12:14:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:33,557 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 12:14:33,613 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 12:14:33,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 12:14:33,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:14:33,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-19 12:14:33,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:14:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 390 proven. 31 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2023-05-19 12:14:34,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:14:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 210 proven. 393 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-19 12:14:34,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240018207] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:14:34,861 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:14:34,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 8, 29] total 65 [2023-05-19 12:14:34,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269627822] [2023-05-19 12:14:34,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:14:34,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2023-05-19 12:14:34,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:34,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2023-05-19 12:14:34,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=3758, Unknown=0, NotChecked=0, Total=4290 [2023-05-19 12:14:34,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:34,864 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:34,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 3.4696969696969697) internal successors, (229), 65 states have internal predecessors, (229), 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 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2023-05-19 12:14:34,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:41,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 12:14:41,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-19 12:14:41,849 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 12:14:42,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:42,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:42,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:42,030 INFO L85 PathProgramCache]: Analyzing trace with hash 384970461, now seen corresponding path program 3 times [2023-05-19 12:14:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:42,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665035922] [2023-05-19 12:14:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:42,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:42,856 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 252 proven. 157 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-19 12:14:42,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:42,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665035922] [2023-05-19 12:14:42,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665035922] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:14:42,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873970050] [2023-05-19 12:14:42,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-19 12:14:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:42,858 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 12:14:42,862 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 12:14:42,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2023-05-19 12:14:42,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:14:42,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 25 conjunts are in the unsatisfiable core [2023-05-19 12:14:42,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:14:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 352 proven. 42 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-19 12:14:43,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:14:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 25 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-19 12:14:44,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873970050] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:14:44,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:14:44,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 12, 25] total 61 [2023-05-19 12:14:44,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138495786] [2023-05-19 12:14:44,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:14:44,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2023-05-19 12:14:44,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:44,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2023-05-19 12:14:44,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=3237, Unknown=0, NotChecked=0, Total=3782 [2023-05-19 12:14:44,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:44,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:44,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.112903225806452) internal successors, (255), 61 states have internal predecessors, (255), 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 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-19 12:14:44,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2023-05-19 12:14:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2023-05-19 12:14:52,781 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 12:14:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:52,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:52,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:52,969 INFO L85 PathProgramCache]: Analyzing trace with hash 231588077, now seen corresponding path program 4 times [2023-05-19 12:14:52,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:52,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024604352] [2023-05-19 12:14:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:14:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 399 proven. 669 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-05-19 12:14:53,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:14:53,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024604352] [2023-05-19 12:14:53,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024604352] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:14:53,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592590447] [2023-05-19 12:14:53,400 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-19 12:14:53,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:53,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:14:53,402 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 12:14:53,427 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 12:14:53,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-19 12:14:53,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:14:53,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-19 12:14:53,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:14:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 550 proven. 34 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2023-05-19 12:14:53,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:14:54,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1302 backedges. 550 proven. 504 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-05-19 12:14:54,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592590447] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:14:54,459 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:14:54,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 5, 32] total 49 [2023-05-19 12:14:54,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847303820] [2023-05-19 12:14:54,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:14:54,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-19 12:14:54,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:14:54,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-19 12:14:54,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=2237, Unknown=0, NotChecked=0, Total=2450 [2023-05-19 12:14:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:54,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:14:54,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.38) internal successors, (219), 49 states have internal predecessors, (219), 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 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2023-05-19 12:14:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2023-05-19 12:14:58,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:14:58,924 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 12:14:59,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:14:59,108 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:14:59,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:14:59,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1869542433, now seen corresponding path program 5 times [2023-05-19 12:14:59,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:14:59,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690067210] [2023-05-19 12:14:59,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:14:59,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:14:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:15:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 1303 proven. 1025 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-19 12:15:02,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:15:02,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690067210] [2023-05-19 12:15:02,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690067210] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:15:02,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700837643] [2023-05-19 12:15:02,155 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-19 12:15:02,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:15:02,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:15:02,157 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 12:15:02,167 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 12:15:02,241 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2023-05-19 12:15:02,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:15:02,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-19 12:15:02,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:15:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 1594 proven. 173 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-05-19 12:15:03,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:15:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 481 proven. 1844 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-05-19 12:15:05,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700837643] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:15:05,523 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:15:05,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 19, 50] total 133 [2023-05-19 12:15:05,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384990118] [2023-05-19 12:15:05,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:15:05,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 134 states [2023-05-19 12:15:05,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:15:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2023-05-19 12:15:05,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2383, Invalid=15439, Unknown=0, NotChecked=0, Total=17822 [2023-05-19 12:15:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:15:05,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:15:05,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 134 states, 134 states have (on average 3.343283582089552) internal successors, (448), 133 states have internal predecessors, (448), 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 12:15:05,529 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:15:05,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2023-05-19 12:15:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-19 12:15:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2023-05-19 12:15:20,978 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 12:15:21,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:15:21,164 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:15:21,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:15:21,164 INFO L85 PathProgramCache]: Analyzing trace with hash -2104569917, now seen corresponding path program 6 times [2023-05-19 12:15:21,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:15:21,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893933866] [2023-05-19 12:15:21,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:15:21,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:15:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:15:24,054 INFO L134 CoverageAnalysis]: Checked inductivity of 4817 backedges. 3008 proven. 1668 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-05-19 12:15:24,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:15:24,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893933866] [2023-05-19 12:15:24,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893933866] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:15:24,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089636694] [2023-05-19 12:15:24,055 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-19 12:15:24,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:15:24,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:15:24,056 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 12:15:24,057 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 12:15:24,178 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2023-05-19 12:15:24,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:15:24,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-19 12:15:24,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:15:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4817 backedges. 4256 proven. 482 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-05-19 12:15:25,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:15:29,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4817 backedges. 90 proven. 4726 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-19 12:15:29,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089636694] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:15:29,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:15:29,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 31, 75] total 156 [2023-05-19 12:15:29,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996667674] [2023-05-19 12:15:29,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:15:29,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-05-19 12:15:29,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:15:29,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-05-19 12:15:29,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3340, Invalid=21152, Unknown=0, NotChecked=0, Total=24492 [2023-05-19 12:15:29,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:15:29,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:15:29,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 4.401273885350318) internal successors, (691), 156 states have internal predecessors, (691), 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 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2023-05-19 12:15:29,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-19 12:15:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2023-05-19 12:15:29,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:15:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:15:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:15:58,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 450 states. [2023-05-19 12:15:58,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2023-05-19 12:15:58,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-19 12:15:58,813 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,SelfDestructingSolverStorable9 [2023-05-19 12:15:58,813 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:15:58,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:15:58,814 INFO L85 PathProgramCache]: Analyzing trace with hash 843919531, now seen corresponding path program 7 times [2023-05-19 12:15:58,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:15:58,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915559876] [2023-05-19 12:15:58,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:15:58,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:15:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:16:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 20986 backedges. 13502 proven. 7434 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-05-19 12:16:23,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:16:23,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915559876] [2023-05-19 12:16:23,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915559876] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:16:23,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035009177] [2023-05-19 12:16:23,540 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-19 12:16:23,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:16:23,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:16:23,541 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 12:16:23,542 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 12:16:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:16:23,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 1605 conjuncts, 176 conjunts are in the unsatisfiable core [2023-05-19 12:16:23,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:16:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 20986 backedges. 2791 proven. 15533 refuted. 0 times theorem prover too weak. 2662 trivial. 0 not checked. [2023-05-19 12:16:28,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:16:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20986 backedges. 7053 proven. 13889 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-19 12:16:46,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035009177] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:16:46,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:16:46,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [189, 55, 176] total 391 [2023-05-19 12:16:46,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623621862] [2023-05-19 12:16:46,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:16:46,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 392 states [2023-05-19 12:16:46,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:16:46,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 392 interpolants. [2023-05-19 12:16:46,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17783, Invalid=135489, Unknown=0, NotChecked=0, Total=153272 [2023-05-19 12:16:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:16:46,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:16:46,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 392 states, 392 states have (on average 3.311224489795918) internal successors, (1298), 391 states have internal predecessors, (1298), 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 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 182 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 198 states. [2023-05-19 12:16:46,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-19 12:16:46,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 450 states. [2023-05-19 12:16:46,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 385 states. [2023-05-19 12:16:46,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:19:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:19:09,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 204 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 465 states. [2023-05-19 12:19:09,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2023-05-19 12:19:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 866 states. [2023-05-19 12:19:09,740 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 12:19:09,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:19:09,925 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-19 12:19:09,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-19 12:19:09,925 INFO L85 PathProgramCache]: Analyzing trace with hash -67150759, now seen corresponding path program 8 times [2023-05-19 12:19:09,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-19 12:19:09,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289694118] [2023-05-19 12:19:09,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-19 12:19:09,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-19 12:19:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-19 12:19:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42974 backedges. 36260 proven. 6522 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2023-05-19 12:19:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-19 12:19:53,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289694118] [2023-05-19 12:19:53,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289694118] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-19 12:19:53,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751483614] [2023-05-19 12:19:53,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-19 12:19:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-19 12:19:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-19 12:19:53,806 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 12:19:53,807 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 12:19:54,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-19 12:19:54,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-19 12:19:54,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 250 conjunts are in the unsatisfiable core [2023-05-19 12:19:54,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-19 12:19:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 42974 backedges. 5397 proven. 182 refuted. 0 times theorem prover too weak. 37395 trivial. 0 not checked. [2023-05-19 12:19:56,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-19 12:20:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42974 backedges. 5579 proven. 37028 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2023-05-19 12:20:22,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751483614] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-19 12:20:22,632 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-19 12:20:22,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [150, 5, 248] total 399 [2023-05-19 12:20:22,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268685605] [2023-05-19 12:20:22,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-19 12:20:22,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 400 states [2023-05-19 12:20:22,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-19 12:20:22,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 400 interpolants. [2023-05-19 12:20:22,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9499, Invalid=150101, Unknown=0, NotChecked=0, Total=159600 [2023-05-19 12:20:22,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-19 12:20:22,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-19 12:20:22,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 400 states, 400 states have (on average 3.6125) internal successors, (1445), 399 states have internal predecessors, (1445), 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 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 185 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 204 states. [2023-05-19 12:20:22,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-19 12:20:22,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 465 states. [2023-05-19 12:20:22,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2023-05-19 12:20:22,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 866 states. [2023-05-19 12:20:22,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-19 12:27:07,872 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 12:27:07,872 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 12:27:07,872 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 12:27:07,881 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 12:27:08,063 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,SelfDestructingSolverStorable11 [2023-05-19 12:27:08,063 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. [2023-05-19 12:27:08,065 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2023-05-19 12:27:08,066 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-19 12:27:08,066 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-19 12:27:08,066 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-19 12:27:08,066 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-19 12:27:08,071 INFO L444 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1] [2023-05-19 12:27:08,073 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-19 12:27:08,073 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-19 12:27:08,075 INFO L202 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.05 12:27:08 BasicIcfg [2023-05-19 12:27:08,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-19 12:27:08,075 INFO L158 Benchmark]: Toolchain (without parser) took 759385.99ms. Allocated memory was 206.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 168.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 921.6MB. Max. memory is 8.0GB. [2023-05-19 12:27:08,076 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-19 12:27:08,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.88ms. Allocated memory is still 206.6MB. Free memory was 168.3MB in the beginning and 166.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 12:27:08,076 INFO L158 Benchmark]: Boogie Preprocessor took 20.10ms. Allocated memory is still 206.6MB. Free memory was 166.7MB in the beginning and 165.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-19 12:27:08,076 INFO L158 Benchmark]: RCFGBuilder took 234.62ms. Allocated memory is still 206.6MB. Free memory was 165.6MB in the beginning and 154.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-05-19 12:27:08,076 INFO L158 Benchmark]: TraceAbstraction took 759107.42ms. Allocated memory was 206.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 153.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 906.9MB. Max. memory is 8.0GB. [2023-05-19 12:27:08,077 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 0.10ms. Allocated memory is still 206.6MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.88ms. Allocated memory is still 206.6MB. Free memory was 168.3MB in the beginning and 166.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.10ms. Allocated memory is still 206.6MB. Free memory was 166.7MB in the beginning and 165.6MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 234.62ms. Allocated memory is still 206.6MB. Free memory was 165.6MB in the beginning and 154.9MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 759107.42ms. Allocated memory was 206.6MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 153.7MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 906.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54537, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 7116, dependent conditional: 7108, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47858, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 437, dependent conditional: 429, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 47858, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 437, dependent conditional: 429, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8581, dependent unconditional: 1769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8493, dependent unconditional: 1857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8493, dependent unconditional: 1857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2087, independent: 764, independent conditional: 33, independent unconditional: 731, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2087, independent: 724, independent conditional: 0, independent unconditional: 724, dependent: 1363, dependent conditional: 0, dependent unconditional: 1363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1363, independent: 40, independent conditional: 33, independent unconditional: 7, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1363, independent: 40, independent conditional: 33, independent unconditional: 7, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2188, independent: 144, independent conditional: 50, independent unconditional: 94, dependent: 2044, dependent conditional: 2000, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 57771, independent: 46657, independent conditional: 1299, independent unconditional: 45358, dependent: 9027, dependent conditional: 7178, dependent unconditional: 1849, unknown: 2087, unknown conditional: 1348, unknown unconditional: 739] , Statistics on independence cache: Total cache size (in pairs): 2087, Positive cache size: 764, Positive conditional cache size: 33, Positive unconditional cache size: 731, Negative cache size: 1323, Negative conditional cache size: 1315, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88, Maximal queried relation: 9, Independence queries for same thread: 6679 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 336, Number of trivial persistent sets: 137, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 830, independent: 822, independent conditional: 0, independent unconditional: 822, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54537, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 7116, dependent conditional: 7108, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47858, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 437, dependent conditional: 429, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 47858, independent: 47421, independent conditional: 46599, independent unconditional: 822, dependent: 437, dependent conditional: 429, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8581, dependent unconditional: 1769, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8493, dependent unconditional: 1857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57771, independent: 47421, independent conditional: 1332, independent unconditional: 46089, dependent: 10350, dependent conditional: 8493, dependent unconditional: 1857, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2087, independent: 764, independent conditional: 33, independent unconditional: 731, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2087, independent: 724, independent conditional: 0, independent unconditional: 724, dependent: 1363, dependent conditional: 0, dependent unconditional: 1363, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1363, independent: 40, independent conditional: 33, independent unconditional: 7, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1363, independent: 40, independent conditional: 33, independent unconditional: 7, dependent: 1323, dependent conditional: 1315, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2188, independent: 144, independent conditional: 50, independent unconditional: 94, dependent: 2044, dependent conditional: 2000, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 57771, independent: 46657, independent conditional: 1299, independent unconditional: 45358, dependent: 9027, dependent conditional: 7178, dependent unconditional: 1849, unknown: 2087, unknown conditional: 1348, unknown unconditional: 739] , Statistics on independence cache: Total cache size (in pairs): 2087, Positive cache size: 764, Positive conditional cache size: 33, Positive unconditional cache size: 731, Negative cache size: 1323, Negative conditional cache size: 1315, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 88, Maximal queried relation: 9, Independence queries for same thread: 6679 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1122 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 53 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 759.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 615.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3005, 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, 1.6s SatisfiabilityAnalysisTime, 139.4s InterpolantComputationTime, 4810 NumberOfCodeBlocks, 4810 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 7144 ConstructedInterpolants, 0 QuantifiedInterpolants, 79342 SizeOfPredicates, 47 NumberOfNonLiveVariables, 6556 ConjunctsInSsa, 657 ConjunctsInUnsatCore, 30 InterpolantComputations, 3 PerfectInterpolantSequences, 127608/220709 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