/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 20:30:09,113 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 20:30:09,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 20:30:09,237 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 20:30:09,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 20:30:09,238 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 20:30:09,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 20:30:09,239 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 20:30:09,239 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 20:30:09,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 20:30:09,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 20:30:09,239 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 20:30:09,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 20:30:09,240 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 20:30:09,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 20:30:09,242 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 20:30:09,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 20:30:09,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 20:30:09,242 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 20:30:09,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 20:30:09,242 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 20:30:09,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:30:09,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 20:30:09,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 20:30:09,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 20:30:09,243 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 20:30:09,243 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 20:30:09,244 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 20:30:09,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 20:30:09,244 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 20:30:09,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 20:30:09,244 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 20:30:09,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-03 20:30:09,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 20:30:09,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 20:30:09,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 20:30:09,522 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 20:30:09,522 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 20:30:09,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl [2023-05-03 20:30:09,524 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun-alt.wvr.bpl' [2023-05-03 20:30:09,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 20:30:09,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 20:30:09,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 20:30:09,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 20:30:09,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 20:30:09,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,582 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 20:30:09,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 20:30:09,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 20:30:09,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 20:30:09,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 20:30:09,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 20:30:09,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 20:30:09,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 20:30:09,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 20:30:09,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/1) ... [2023-05-03 20:30:09,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 20:30:09,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:09,642 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) [2023-05-03 20:30:09,646 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 [2023-05-03 20:30:09,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 20:30:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 20:30:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 20:30:09,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 20:30:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 20:30:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 20:30:09,683 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 20:30:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 20:30:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 20:30:09,684 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2023-05-03 20:30:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-03 20:30:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-03 20:30:09,685 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-03 20:30:09,730 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 20:30:09,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 20:30:09,864 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 20:30:09,880 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 20:30:09,880 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2023-05-03 20:30:09,882 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:30:09 BoogieIcfgContainer [2023-05-03 20:30:09,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 20:30:09,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 20:30:09,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 20:30:09,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 20:30:09,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:30:09" (1/2) ... [2023-05-03 20:30:09,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0325e8 and model type min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:30:09, skipping insertion in model container [2023-05-03 20:30:09,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:30:09" (2/2) ... [2023-05-03 20:30:09,894 INFO L112 eAbstractionObserver]: Analyzing ICFG min-fun-alt.wvr.bpl [2023-05-03 20:30:09,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 20:30:09,910 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 20:30:09,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 20:30:09,911 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 20:30:09,979 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-03 20:30:10,024 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:30:10,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 20:30:10,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:10,058 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) [2023-05-03 20:30:10,085 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 [2023-05-03 20:30:10,130 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 20:30:10,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 20:30:10,158 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;@6986166a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 20:30:10,159 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-03 20:30:10,296 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:10,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:10,300 INFO L85 PathProgramCache]: Analyzing trace with hash -23417334, now seen corresponding path program 1 times [2023-05-03 20:30:10,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:10,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065187657] [2023-05-03 20:30:10,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:10,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-05-03 20:30:10,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:10,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065187657] [2023-05-03 20:30:10,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065187657] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-03 20:30:10,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-03 20:30:10,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-03 20:30:10,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260688085] [2023-05-03 20:30:10,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-03 20:30:10,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-03 20:30:10,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:10,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-03 20:30:10,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-03 20:30:10,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:10,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:10,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-05-03 20:30:10,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:10,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:10,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-03 20:30:10,686 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:10,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1799731500, now seen corresponding path program 1 times [2023-05-03 20:30:10,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:10,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174335398] [2023-05-03 20:30:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:10,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:10,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174335398] [2023-05-03 20:30:10,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174335398] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:10,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119679187] [2023-05-03 20:30:10,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:10,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:10,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:10,859 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) [2023-05-03 20:30:10,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-03 20:30:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:10,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-05-03 20:30:10,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:11,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:11,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:11,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:11,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119679187] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:11,119 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:11,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2023-05-03 20:30:11,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724591377] [2023-05-03 20:30:11,120 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:11,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-05-03 20:30:11,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:11,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-05-03 20:30:11,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-05-03 20:30:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:11,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:11,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 14 states have internal predecessors, (43), 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) [2023-05-03 20:30:11,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:11,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:11,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:11,325 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-03 20:30:11,518 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,SelfDestructingSolverStorable1 [2023-05-03 20:30:11,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:11,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:11,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1583936142, now seen corresponding path program 2 times [2023-05-03 20:30:11,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:11,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045966267] [2023-05-03 20:30:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:11,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:11,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045966267] [2023-05-03 20:30:11,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045966267] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:11,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887398978] [2023-05-03 20:30:11,932 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:30:11,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:11,937 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) [2023-05-03 20:30:11,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-03 20:30:11,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:30:11,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:30:11,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-03 20:30:11,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:12,308 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-03 20:30:12,314 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 33 [2023-05-03 20:30:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:12,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:12,541 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 20:30:12,541 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2023-05-03 20:30:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:12,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887398978] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:12,637 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:12,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 17 [2023-05-03 20:30:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18415773] [2023-05-03 20:30:12,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:12,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:30:12,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:12,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:30:12,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:30:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:12,642 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:12,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 17 states have internal predecessors, (55), 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) [2023-05-03 20:30:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:12,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:13,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:13,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-03 20:30:13,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:13,512 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:13,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:13,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1314453742, now seen corresponding path program 1 times [2023-05-03 20:30:13,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:13,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420887011] [2023-05-03 20:30:13,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:13,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:30:13,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:13,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420887011] [2023-05-03 20:30:13,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420887011] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:13,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915751454] [2023-05-03 20:30:13,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:13,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:13,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:13,593 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) [2023-05-03 20:30:13,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-03 20:30:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:13,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-05-03 20:30:13,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:30:13,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 20:30:13,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915751454] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:13,713 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:13,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-05-03 20:30:13,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872585131] [2023-05-03 20:30:13,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:13,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 20:30:13,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:13,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 20:30:13,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-05-03 20:30:13,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:13,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:13,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2023-05-03 20:30:13,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:13,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:13,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:13,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:30:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:30:13,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-03 20:30:14,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:14,120 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:14,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:14,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1817542952, now seen corresponding path program 2 times [2023-05-03 20:30:14,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:14,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313450201] [2023-05-03 20:30:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:14,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:14,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:14,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313450201] [2023-05-03 20:30:14,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313450201] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:14,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881186640] [2023-05-03 20:30:14,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 20:30:14,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:14,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:14,229 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) [2023-05-03 20:30:14,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-03 20:30:14,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 20:30:14,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:30:14,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-03 20:30:14,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:14,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:14,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881186640] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:14,486 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:14,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 18 [2023-05-03 20:30:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240292337] [2023-05-03 20:30:14,487 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:14,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-05-03 20:30:14,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:14,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-05-03 20:30:14,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2023-05-03 20:30:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:14,488 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:14,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 18 states have internal predecessors, (55), 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) [2023-05-03 20:30:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-03 20:30:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:30:14,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:30:14,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:30:14,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-03 20:30:15,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:15,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:15,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1553239234, now seen corresponding path program 3 times [2023-05-03 20:30:15,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:15,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498982855] [2023-05-03 20:30:15,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:15,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:15,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:15,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498982855] [2023-05-03 20:30:15,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498982855] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:15,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146716391] [2023-05-03 20:30:15,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 20:30:15,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:15,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:15,287 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) [2023-05-03 20:30:15,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-03 20:30:15,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-03 20:30:15,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:30:15,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-05-03 20:30:15,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-03 20:30:15,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:15,719 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:15,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146716391] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:15,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:15,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 14] total 30 [2023-05-03 20:30:15,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576835206] [2023-05-03 20:30:15,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:15,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-03 20:30:15,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:15,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-03 20:30:15,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2023-05-03 20:30:15,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:15,722 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:15,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 3.2) internal successors, (96), 30 states have internal predecessors, (96), 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) [2023-05-03 20:30:15,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:15,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:15,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:15,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 20:30:15,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-03 20:30:15,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:16,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:30:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:30:16,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-03 20:30:16,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:16,574 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:16,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:16,575 INFO L85 PathProgramCache]: Analyzing trace with hash -404955304, now seen corresponding path program 4 times [2023-05-03 20:30:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:16,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144769912] [2023-05-03 20:30:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 20:30:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:16,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 20:30:16,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144769912] [2023-05-03 20:30:16,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144769912] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 20:30:16,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514253738] [2023-05-03 20:30:16,782 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 20:30:16,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 20:30:16,785 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) [2023-05-03 20:30:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-03 20:30:16,830 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 20:30:16,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 20:30:16,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-03 20:30:16,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 20:30:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 12 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-03 20:30:17,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 20:30:17,392 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 7 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 20:30:17,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514253738] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 20:30:17,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 20:30:17,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 19] total 35 [2023-05-03 20:30:17,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357687027] [2023-05-03 20:30:17,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 20:30:17,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-05-03 20:30:17,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 20:30:17,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-05-03 20:30:17,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=995, Unknown=0, NotChecked=0, Total=1190 [2023-05-03 20:30:17,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:17,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 20:30:17,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.942857142857143) internal successors, (103), 35 states have internal predecessors, (103), 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) [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-05-03 20:30:17,395 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-03 20:30:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-03 20:30:18,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-05-03 20:30:18,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-03 20:30:18,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 20:30:18,993 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-03 20:30:18,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 20:30:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash -916678474, now seen corresponding path program 5 times [2023-05-03 20:30:18,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 20:30:18,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55155156] [2023-05-03 20:30:18,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 20:30:18,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 20:30:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-05-03 20:44:40,840 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2023-05-03 20:44:40,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-03 20:44:40,842 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-3-2-2-2-3-2-2-2-2-2-1 context. [2023-05-03 20:44:40,843 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-03 20:44:40,844 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-03 20:44:40,844 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-03 20:44:40,847 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1] [2023-05-03 20:44:40,850 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 20:44:40,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 20:44:40,852 INFO L202 PluginConnector]: Adding new model min-fun-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 08:44:40 BasicIcfg [2023-05-03 20:44:40,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 20:44:40,853 INFO L158 Benchmark]: Toolchain (without parser) took 871295.14ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 858.8MB). Free memory was 147.7MB in the beginning and 757.2MB in the end (delta: -609.5MB). Peak memory consumption was 630.0MB. Max. memory is 8.0GB. [2023-05-03 20:44:40,853 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 20:44:40,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.77ms. Allocated memory is still 187.7MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 20:44:40,854 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 187.7MB. Free memory was 146.1MB in the beginning and 145.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 20:44:40,854 INFO L158 Benchmark]: RCFGBuilder took 271.43ms. Allocated memory is still 187.7MB. Free memory was 144.9MB in the beginning and 135.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-05-03 20:44:40,854 INFO L158 Benchmark]: TraceAbstraction took 870967.26ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 858.8MB). Free memory was 134.0MB in the beginning and 757.2MB in the end (delta: -623.2MB). Peak memory consumption was 615.3MB. Max. memory is 8.0GB. [2023-05-03 20:44:40,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 148.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.77ms. Allocated memory is still 187.7MB. Free memory was 147.6MB in the beginning and 146.1MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 187.7MB. Free memory was 146.1MB in the beginning and 145.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 271.43ms. Allocated memory is still 187.7MB. Free memory was 144.9MB in the beginning and 135.2MB in the end (delta: 9.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 870967.26ms. Allocated memory was 187.7MB in the beginning and 1.0GB in the end (delta: 858.8MB). Free memory was 134.0MB in the beginning and 757.2MB in the end (delta: -623.2MB). Peak memory consumption was 615.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2234, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 505, dependent conditional: 505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 368, independent: 368, independent conditional: 0, independent unconditional: 368, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 368, independent: 364, independent conditional: 0, independent unconditional: 364, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1729, independent: 1361, independent conditional: 0, independent unconditional: 1361, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 368, Positive conditional cache size: 0, Positive unconditional cache size: 368, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 505 - StatisticsResult: Persistent set benchmarks [2023-05-03 20:44:40,859 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 Persistent set computation time: 0.1s, Number of persistent set computation: 91, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 399, independent: 399, independent conditional: 0, independent unconditional: 399, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2234, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 505, dependent conditional: 505, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 1330, independent unconditional: 399, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1729, independent: 1729, independent conditional: 0, independent unconditional: 1729, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 368, independent: 368, independent conditional: 0, independent unconditional: 368, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 368, independent: 364, independent conditional: 0, independent unconditional: 364, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 61, independent: 61, independent conditional: 0, independent unconditional: 61, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1729, independent: 1361, independent conditional: 0, independent unconditional: 1361, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 368, Positive cache size: 368, Positive conditional cache size: 0, Positive unconditional cache size: 368, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 505 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-3-2-2-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-3-2-2-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 59]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-3-2-2-2-3-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 51 with TraceHistMax 8,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-3-2-2-2-4-2-2-3-11-6-7-6-7-6-7-6-7-6-9-6-9-6-9-6-9-6-9-6-9-8-9-8-9-8-9-8-8-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-6-4-5-4-5-4-4-3-4-3-4-3-4-3-4-2-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-3-3-2-2-2-3-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 870.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.7s, 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: 152, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 418 NumberOfCodeBlocks, 418 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 597 ConstructedInterpolants, 0 QuantifiedInterpolants, 3842 SizeOfPredicates, 38 NumberOfNonLiveVariables, 501 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 170/565 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 [2023-05-03 20:44:40,865 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown