/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 true -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-03 14:16:20,284 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2023-05-03 14:16:20,363 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-03 14:16:20,400 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-03 14:16:20,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-03 14:16:20,401 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-03 14:16:20,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-03 14:16:20,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-03 14:16:20,402 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-03 14:16:20,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-03 14:16:20,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-03 14:16:20,402 INFO L138 SettingsManager]: * Use SBE=true [2023-05-03 14:16:20,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-03 14:16:20,403 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-03 14:16:20,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-03 14:16:20,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-03 14:16:20,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-03 14:16:20,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-03 14:16:20,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 14:16:20,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-03 14:16:20,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-03 14:16:20,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-03 14:16:20,407 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-03 14:16:20,407 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-03 14:16:20,407 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-03 14:16:20,407 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> true [2023-05-03 14:16:20,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-03 14:16:20,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-03 14:16:20,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-03 14:16:20,693 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2023-05-03 14:16:20,694 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2023-05-03 14:16:20,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl [2023-05-03 14:16:20,695 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-4.wvr.bpl' [2023-05-03 14:16:20,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-03 14:16:20,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-05-03 14:16:20,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-03 14:16:20,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-03 14:16:20,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-03 14:16:20,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,748 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2023-05-03 14:16:20,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-03 14:16:20,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-03 14:16:20,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-03 14:16:20,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-03 14:16:20,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-03 14:16:20,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-03 14:16:20,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-03 14:16:20,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-03 14:16:20,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/1) ... [2023-05-03 14:16:20,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-03 14:16:20,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:20,814 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 14:16:20,819 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 14:16:20,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2023-05-03 14:16:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-03 14:16:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-03 14:16:20,849 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2023-05-03 14:16:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-03 14:16:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-03 14:16:20,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2023-05-03 14:16:20,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-03 14:16:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-03 14:16:20,852 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 14:16:20,896 INFO L235 CfgBuilder]: Building ICFG [2023-05-03 14:16:20,899 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-03 14:16:20,987 INFO L276 CfgBuilder]: Performing block encoding [2023-05-03 14:16:21,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-03 14:16:21,072 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-05-03 14:16:21,073 WARN L330 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2023-05-03 14:16:21,074 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 02:16:21 BoogieIcfgContainer [2023-05-03 14:16:21,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-03 14:16:21,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-03 14:16:21,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-03 14:16:21,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-03 14:16:21,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 02:16:20" (1/2) ... [2023-05-03 14:16:21,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4973bc and model type unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 02:16:21, skipping insertion in model container [2023-05-03 14:16:21,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 02:16:21" (2/2) ... [2023-05-03 14:16:21,089 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.bpl [2023-05-03 14:16:21,095 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-03 14:16:21,103 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-03 14:16:21,103 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-03 14:16:21,103 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-03 14:16:21,135 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-03 14:16:21,169 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 14:16:21,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-03 14:16:21,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:21,174 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 14:16:21,175 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 14:16:21,207 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-03 14:16:21,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-03 14:16:21,233 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;@5525f6dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-03 14:16:21,234 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-03 14:16:21,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:21,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:21,307 INFO L85 PathProgramCache]: Analyzing trace with hash 908575431, now seen corresponding path program 1 times [2023-05-03 14:16:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:21,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866148465] [2023-05-03 14:16:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:21,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:22,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:22,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866148465] [2023-05-03 14:16:22,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866148465] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:22,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50280818] [2023-05-03 14:16:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:22,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:22,077 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 14:16:22,080 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 14:16:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:22,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 14:16:22,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:27,415 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:27,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 50 [2023-05-03 14:16:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:27,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:28,719 INFO L356 Elim1Store]: treesize reduction 10, result has 87.7 percent of original size [2023-05-03 14:16:28,720 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 13 treesize of output 86 [2023-05-03 14:16:28,856 INFO L356 Elim1Store]: treesize reduction 10, result has 79.6 percent of original size [2023-05-03 14:16:28,856 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 11 treesize of output 50 [2023-05-03 14:16:28,898 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:28,898 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 7 treesize of output 16 [2023-05-03 14:16:28,924 INFO L356 Elim1Store]: treesize reduction 5, result has 80.0 percent of original size [2023-05-03 14:16:28,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 9 treesize of output 27 [2023-05-03 14:16:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:28,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50280818] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:16:28,945 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:16:28,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2023-05-03 14:16:28,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029849131] [2023-05-03 14:16:28,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:16:28,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-05-03 14:16:28,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:16:28,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-05-03 14:16:28,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-05-03 14:16:28,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:28,971 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:16:28,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 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 14:16:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:29,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:29,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-03 14:16:29,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-05-03 14:16:29,369 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:29,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:29,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1912503271, now seen corresponding path program 2 times [2023-05-03 14:16:29,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:29,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26360720] [2023-05-03 14:16:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:29,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:29,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:29,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26360720] [2023-05-03 14:16:29,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26360720] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:29,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693225377] [2023-05-03 14:16:29,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 14:16:29,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:29,467 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 14:16:29,473 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 14:16:29,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 14:16:29,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:16:29,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-03 14:16:29,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:29,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:29,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:29,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693225377] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:16:29,568 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:16:29,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2023-05-03 14:16:29,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726789460] [2023-05-03 14:16:29,572 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:16:29,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-03 14:16:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:16:29,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-03 14:16:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-05-03 14:16:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:29,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:16:29,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 14:16:29,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:29,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:16:29,680 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 14:16:29,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:29,873 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:29,874 INFO L85 PathProgramCache]: Analyzing trace with hash -802630224, now seen corresponding path program 3 times [2023-05-03 14:16:29,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:29,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804103067] [2023-05-03 14:16:29,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:29,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:30,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:30,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804103067] [2023-05-03 14:16:30,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804103067] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:30,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528811792] [2023-05-03 14:16:30,047 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 14:16:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:30,049 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 14:16:30,080 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 14:16:30,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-03 14:16:30,084 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:16:30,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-03 14:16:30,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:33,509 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:33,510 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 63 [2023-05-03 14:16:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:33,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:34,143 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:34,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 107 [2023-05-03 14:16:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:34,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528811792] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:16:34,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:16:34,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2023-05-03 14:16:34,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46445080] [2023-05-03 14:16:34,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:16:34,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-05-03 14:16:34,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:16:34,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-05-03 14:16:34,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-05-03 14:16:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:34,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:16:34,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-03 14:16:34,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:34,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:16:34,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:34,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:16:34,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:16:34,663 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 14:16:34,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:34,849 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:34,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:34,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1047549727, now seen corresponding path program 1 times [2023-05-03 14:16:34,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:34,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688524182] [2023-05-03 14:16:34,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:34,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 14:16:34,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:34,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688524182] [2023-05-03 14:16:34,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688524182] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:34,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965545785] [2023-05-03 14:16:34,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:34,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:34,891 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 14:16:34,916 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 14:16:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-05-03 14:16:34,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 14:16:34,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-03 14:16:34,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965545785] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:16:34,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:16:34,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-05-03 14:16:34,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266738761] [2023-05-03 14:16:34,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:16:34,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-03 14:16:34,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:16:34,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-03 14:16:34,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-05-03 14:16:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:34,966 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:16:34,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 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 14:16:34,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:34,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:16:34,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:16:34,967 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:35,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:16:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:16:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:16:35,077 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 14:16:35,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:35,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:35,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:35,254 INFO L85 PathProgramCache]: Analyzing trace with hash -206491212, now seen corresponding path program 2 times [2023-05-03 14:16:35,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:35,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76660016] [2023-05-03 14:16:35,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:35,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:35,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:35,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76660016] [2023-05-03 14:16:35,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76660016] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:35,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649806242] [2023-05-03 14:16:35,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-03 14:16:35,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:35,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:35,384 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 14:16:35,406 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 14:16:35,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-03 14:16:35,414 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:16:35,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-03 14:16:35,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:35,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:35,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649806242] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:16:35,507 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:16:35,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2023-05-03 14:16:35,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877131038] [2023-05-03 14:16:35,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:16:35,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-03 14:16:35,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:16:35,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-03 14:16:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-05-03 14:16:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:35,509 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:16:35,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 12 states have internal predecessors, (22), 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 14:16:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:16:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:16:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:16:35,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:16:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:16:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:16:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:16:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:16:35,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:16:35,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-03 14:16:35,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:35,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:16:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:16:35,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2085951677, now seen corresponding path program 3 times [2023-05-03 14:16:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:16:35,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96130533] [2023-05-03 14:16:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:16:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:16:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:16:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:16:36,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96130533] [2023-05-03 14:16:36,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96130533] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:16:36,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958569605] [2023-05-03 14:16:36,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-03 14:16:36,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:16:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:16:36,230 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 14:16:36,248 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 14:16:36,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-03 14:16:36,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:16:36,265 WARN L261 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 41 conjunts are in the unsatisfiable core [2023-05-03 14:16:36,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:16:37,032 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:37,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 121 treesize of output 499 [2023-05-03 14:16:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:16:45,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:16:46,785 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:16:46,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 32 new quantified variables, introduced 136 case distinctions, treesize of input 79 treesize of output 1162 [2023-05-03 14:17:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:28,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958569605] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:17:28,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:17:28,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2023-05-03 14:17:28,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624236261] [2023-05-03 14:17:28,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:17:28,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-03 14:17:28,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:17:28,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-03 14:17:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=954, Unknown=0, NotChecked=0, Total=1056 [2023-05-03 14:17:28,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:28,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:17:28,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 32 states have internal predecessors, (45), 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 14:17:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:28,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:28,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:28,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:28,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:28,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:29,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:29,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 14:17:29,194 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 14:17:29,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:17:29,380 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:17:29,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:17:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash 98197947, now seen corresponding path program 4 times [2023-05-03 14:17:29,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:17:29,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429033033] [2023-05-03 14:17:29,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:17:29,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:17:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:17:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 25 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:29,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:17:29,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429033033] [2023-05-03 14:17:29,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429033033] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:17:29,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922184439] [2023-05-03 14:17:29,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-03 14:17:29,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:17:29,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:17:29,597 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) [2023-05-03 14:17:29,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-03 14:17:29,636 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-03 14:17:29,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:17:29,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 20 conjunts are in the unsatisfiable core [2023-05-03 14:17:29,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:17:29,681 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:29,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:17:29,904 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:29,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922184439] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:17:29,904 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:17:29,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 38 [2023-05-03 14:17:29,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554598114] [2023-05-03 14:17:29,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:17:29,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-03 14:17:29,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:17:29,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-03 14:17:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=1075, Unknown=0, NotChecked=0, Total=1482 [2023-05-03 14:17:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:29,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:17:29,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 38 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 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 14:17:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 14:17:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 14:17:30,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-03 14:17:30,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-05-03 14:17:30,632 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:17:30,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:17:30,633 INFO L85 PathProgramCache]: Analyzing trace with hash 840455964, now seen corresponding path program 5 times [2023-05-03 14:17:30,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:17:30,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527515713] [2023-05-03 14:17:30,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:17:30,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:17:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:17:31,174 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 260 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:31,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:17:31,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527515713] [2023-05-03 14:17:31,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527515713] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:17:31,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900945976] [2023-05-03 14:17:31,177 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-03 14:17:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:17:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:17:31,179 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) [2023-05-03 14:17:31,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-03 14:17:31,238 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-03 14:17:31,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:17:31,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 37 conjunts are in the unsatisfiable core [2023-05-03 14:17:31,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:17:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 260 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:31,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-03 14:17:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 260 proven. 196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:31,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900945976] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-03 14:17:31,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-03 14:17:31,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 46 [2023-05-03 14:17:31,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970710554] [2023-05-03 14:17:31,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-03 14:17:31,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-03 14:17:31,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-03 14:17:31,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-03 14:17:31,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=574, Invalid=1588, Unknown=0, NotChecked=0, Total=2162 [2023-05-03 14:17:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:31,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-03 14:17:31,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.446808510638298) internal successors, (68), 46 states have internal predecessors, (68), 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 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2023-05-03 14:17:31,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-03 14:17:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-03 14:17:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-03 14:17:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-03 14:17:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-03 14:17:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-03 14:17:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-05-03 14:17:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-05-03 14:17:32,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-03 14:17:32,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-03 14:17:32,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:17:32,332 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-03 14:17:32,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-03 14:17:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1119948542, now seen corresponding path program 6 times [2023-05-03 14:17:32,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-03 14:17:32,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826214800] [2023-05-03 14:17:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-03 14:17:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-03 14:17:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-03 14:17:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 493 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-03 14:17:34,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-03 14:17:34,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826214800] [2023-05-03 14:17:34,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826214800] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-03 14:17:34,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705692000] [2023-05-03 14:17:34,214 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-03 14:17:34,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-03 14:17:34,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-03 14:17:34,215 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) [2023-05-03 14:17:34,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-03 14:17:34,275 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2023-05-03 14:17:34,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-03 14:17:34,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 162 conjunts are in the unsatisfiable core [2023-05-03 14:17:34,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-03 14:17:46,025 WARN L233 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 1923 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-03 14:17:46,029 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-03 14:17:46,031 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 0 disjoint index pairs (out of 465 index pairs), introduced 61 new quantified variables, introduced 465 case distinctions, treesize of input 202 treesize of output 3830 Received shutdown request... [2023-05-03 14:30:08,329 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-03 14:30:08,331 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2023-05-03 14:30:08,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-03 14:30:08,362 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 [2023-05-03 14:30:08,362 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 [2023-05-03 14:30:08,362 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 [2023-05-03 14:30:08,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-03 14:30:08,533 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 21ms.. [2023-05-03 14:30:08,535 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-03 14:30:08,535 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-03 14:30:08,538 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3] [2023-05-03 14:30:08,541 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-03 14:30:08,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-03 14:30:08,544 INFO L202 PluginConnector]: Adding new model unroll-cond-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.05 02:30:08 BasicIcfg [2023-05-03 14:30:08,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-03 14:30:08,544 INFO L158 Benchmark]: Toolchain (without parser) took 827822.90ms. Allocated memory was 194.0MB in the beginning and 934.3MB in the end (delta: 740.3MB). Free memory was 147.7MB in the beginning and 579.2MB in the end (delta: -431.5MB). Peak memory consumption was 568.4MB. Max. memory is 8.0GB. [2023-05-03 14:30:08,544 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.42ms. Allocated memory is still 194.0MB. Free memory was 149.0MB in the beginning and 148.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-05-03 14:30:08,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.71ms. Allocated memory is still 194.0MB. Free memory was 147.7MB in the beginning and 146.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-03 14:30:08,545 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 194.0MB. Free memory was 146.1MB in the beginning and 145.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-03 14:30:08,545 INFO L158 Benchmark]: RCFGBuilder took 293.76ms. Allocated memory is still 194.0MB. Free memory was 145.1MB in the beginning and 166.1MB in the end (delta: -21.0MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2023-05-03 14:30:08,545 INFO L158 Benchmark]: TraceAbstraction took 827467.52ms. Allocated memory was 194.0MB in the beginning and 934.3MB in the end (delta: 740.3MB). Free memory was 165.1MB in the beginning and 579.2MB in the end (delta: -414.1MB). Peak memory consumption was 584.0MB. Max. memory is 8.0GB. [2023-05-03 14:30:08,546 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 0.42ms. Allocated memory is still 194.0MB. Free memory was 149.0MB in the beginning and 148.9MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.71ms. Allocated memory is still 194.0MB. Free memory was 147.7MB in the beginning and 146.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 194.0MB. Free memory was 146.1MB in the beginning and 145.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 293.76ms. Allocated memory is still 194.0MB. Free memory was 145.1MB in the beginning and 166.1MB in the end (delta: -21.0MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. * TraceAbstraction took 827467.52ms. Allocated memory was 194.0MB in the beginning and 934.3MB in the end (delta: 740.3MB). Free memory was 165.1MB in the beginning and 579.2MB in the end (delta: -414.1MB). Peak memory consumption was 584.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 547, independent: 360, independent conditional: 290, independent unconditional: 70, dependent: 187, dependent conditional: 187, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, independent: 360, independent conditional: 290, independent unconditional: 70, 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: 360, independent: 360, independent conditional: 290, independent unconditional: 70, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 70, independent: 70, independent conditional: 0, independent unconditional: 70, 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: 70, independent: 69, independent conditional: 0, independent unconditional: 69, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 360, independent: 290, independent conditional: 0, independent unconditional: 290, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, 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: 187 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 25, Number of trivial persistent sets: 19, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, independent: 70, independent conditional: 0, independent unconditional: 70, 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: 547, independent: 360, independent conditional: 290, independent unconditional: 70, dependent: 187, dependent conditional: 187, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, independent: 360, independent conditional: 290, independent unconditional: 70, 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: 360, independent: 360, independent conditional: 290, independent unconditional: 70, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 360, independent: 360, independent conditional: 0, independent unconditional: 360, 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: 70, independent: 70, independent conditional: 0, independent unconditional: 70, 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: 70, independent: 69, independent conditional: 0, independent unconditional: 69, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 360, independent: 290, independent conditional: 0, independent unconditional: 290, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 70, unknown conditional: 0, unknown unconditional: 70] , Statistics on independence cache: Total cache size (in pairs): 70, Positive cache size: 70, Positive conditional cache size: 0, Positive unconditional cache size: 70, 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: 187 - TimeoutResultAtElement [Line: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 48 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 21ms.. - TimeoutResultAtElement [Line: 60]: 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 48 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 21ms.. - TimeoutResultAtElement [Line: 60]: 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 48 with TraceHistMax 30,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 21ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 827.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 2.8s, 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: 176, 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, 66.1s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 3904 SizeOfPredicates, 20 NumberOfNonLiveVariables, 663 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 24 InterpolantComputations, 0 PerfectInterpolantSequences, 909/1938 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